======================================
| xx__-> [    9.013881][  T186] ------------[ cut here ]------------
| [    9.014236][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.014538][  T186] Modules linked in: veth
| [    9.015247][  T186] Tainted: [W]=WARN
[    9.015405][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.015645][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.015942][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.016496][  T186] RSP: 0018:ffa0000000926e30 EFLAGS: 00010286
[    9.016728][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a34c3c0 RCX: 1ff4000000124d8c
[    9.016996][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a34c478
[    9.017318][  T186] RBP: ff11000008811000 R08: 1fe2200001469890 R09: ff1100000262ae80
[    9.017585][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.017865][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008fe7500
[    9.018124][  T186] FS:  00007fceeb9e8840(0000) GS:ff1100008f8b0000(0000) knlGS:0000000000000000
[    9.018432][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.018658][  T186] CR2: 000000000042ebe0 CR3: 000000000d117004 CR4: 0000000000771ef0
[    9.018949][  T186] PKRU: 55555554
[    9.019102][  T186] Call Trace:
[    9.019256][  T186]  <TASK>
[    9.019384][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.019701][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.019902][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.020056][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.020246][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.020537][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.020734][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.021118][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.021307][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.021506][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.021735][  T186]  ? 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)
[    9.021970][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.022157][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.022445][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.022635][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.022831][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.023064][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.023255][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.023453][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.023759][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.024052][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.024334][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.024529][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.024724][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.024927][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.025119][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.025321][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.025514][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.025807][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.026008][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.026195][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.026393][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.026582][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.026778][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.027068][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.027353][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.027549][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.027745][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.027957][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.028147][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.028338][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.028538][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.028733][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.028935][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.029122][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.029310][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.029510][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.029697][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.029905][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.030096][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.030283][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.030479][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.030770][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.030969][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.031160][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.031349][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.031546][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.031971][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.032276][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.032486][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.032778][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.032989][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.033177][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.033375][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.033564][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.033761][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.034145][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.034444][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.034735][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.034933][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.035123][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.035311][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.035540][  T186] RIP: 0033:0x7fceebc2208e
[    9.035745][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.036423][  T186] RSP: 002b:00007ffcfdc922b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.036687][  T186] RAX: ffffffffffffffda RBX: 00007ffcfdc92a48 RCX: 00007fceebc2208e
[    9.037141][  T186] RDX: 0000000000000000 RSI: 00007ffcfdc92360 RDI: 0000000000000005
[    9.037405][  T186] RBP: 00007ffcfdc922c0 R08: 0000000000000000 R09: 0000000000000000
[    9.037657][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdca
[    9.038121][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfdc92a20
| [    9.046718][  T186] ------------[ cut here ]------------
| [    9.047564][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.047919][  T186] Modules linked in: veth
| [    9.048517][  T186] Tainted: [W]=WARN
[    9.048730][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.049012][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.049296][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.049925][  T186] RSP: 0018:ffa00000009271b0 EFLAGS: 00010286
[    9.050200][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a3dac80 RCX: 1ff4000000124dfc
[    9.050526][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a3dad38
[    9.050838][  T186] RBP: ff11000008801000 R08: 1fe220000147b5a8 R09: ff1100000262ae80
[    9.051154][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.051468][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.051780][  T186] FS:  00007fceeb9e8840(0000) GS:ff1100008f8b0000(0000) knlGS:0000000000000000
[    9.052130][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.052412][  T186] CR2: 000000000042ebe0 CR3: 000000000d117004 CR4: 0000000000771ef0
[    9.052733][  T186] PKRU: 55555554
[    9.052949][  T186] Call Trace:
[    9.053152][  T186]  <TASK>
[    9.053325][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.053574][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.053787][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.054040][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.054278][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.054525][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.054772][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.055023][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.055263][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.055511][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.055751][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.056008][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.056252][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.056495][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.056740][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.056989][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.057226][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.057474][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.057724][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.057975][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.058213][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.058461][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.058643][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.058829][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.059026][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.059206][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.059399][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.059581][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.059772][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.059972][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.060153][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.060339][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.060532][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.060720][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.060918][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.061102][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.061288][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.061481][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.061663][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.061865][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.062078][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.062268][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.062463][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.062649][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.062863][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.063047][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.063243][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.063437][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.063627][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.063818][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.064018][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.064203][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.064406][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.064591][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.064784][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.065015][  T186] RIP: 0033:0x7fceebc2208e
[    9.065406][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.065954][  T186] RSP: 002b:00007ffcfdc922b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.066204][  T186] RAX: ffffffffffffffda RBX: 00007ffcfdc92a48 RCX: 00007fceebc2208e
[    9.066471][  T186] RDX: 0000000000000000 RSI: 00007ffcfdc92360 RDI: 0000000000000005
[    9.066755][  T186] RBP: 00007ffcfdc922c0 R08: 0000000000000000 R09: 0000000000000000
[    9.067015][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdca
[    9.067362][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfdc92a20
| [    9.277114][  T193] ------------[ cut here ]------------
| [    9.277317][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.277591][  T193] Modules linked in: veth
| [    9.278005][  T193] Tainted: [W]=WARN
[    9.278113][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.278294][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.278485][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.279004][  T193] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.279186][  T193] RAX: 00000000ffffffa6 RBX: ff11000005051540 RCX: 1ff4000000116d8c
[    9.279403][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000050515f8
[    9.279616][  T193] RBP: ff1100000c25c000 R08: 1fe2200000a0a2c0 R09: ff1100000cf98b80
[    9.279830][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.280048][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2bf180
[    9.280267][  T193] FS:  00007f2b6e482840(0000) GS:ff1100008f830000(0000) knlGS:0000000000000000
[    9.280565][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.280757][  T193] CR2: 000000000042ebe0 CR3: 0000000005cda003 CR4: 0000000000771ef0
[    9.280995][  T193] PKRU: 55555554
[    9.281103][  T193] Call Trace:
[    9.281210][  T193]  <TASK>
[    9.281288][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.281445][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.281555][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.281738][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.281887][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.282029][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.282170][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.282314][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.282465][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.282610][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.282755][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.282900][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.283042][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.283186][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.283331][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.283478][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.283656][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.283811][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.284018][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.284177][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.284318][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.284467][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.284609][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.284754][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.284946][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.285089][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.285231][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.285379][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.285526][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.285687][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.285834][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.285979][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.286125][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.286266][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.286415][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.286559][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.286704][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.286851][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.286991][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.287131][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.287271][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.287419][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.287560][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.287706][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.287852][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.287996][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.288141][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.288280][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.288429][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.288571][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.288722][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.288867][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.289012][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.289156][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.289303][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.289451][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.289593][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.289771][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.289922][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.290062][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.290203][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.290358][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.290501][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.290641][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.290787][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.290931][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.291072][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.291212][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.291359][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.291500][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.291680][  T193] RIP: 0033:0x7f2b6e6bc08e
[    9.291829][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.292338][  T193] RSP: 002b:00007ffd6126a9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.292554][  T193] RAX: ffffffffffffffda RBX: 00007ffd6126b158 RCX: 00007f2b6e6bc08e
[    9.292767][  T193] RDX: 0000000000000000 RSI: 00007ffd6126aa70 RDI: 0000000000000005
[    9.292981][  T193] RBP: 00007ffd6126a9d0 R08: 0000000000000000 R09: 0000000000000000
[    9.293194][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdca
[    9.293411][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6126b130
| [    9.303591][  T193] ------------[ cut here ]------------
| [    9.303775][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.304074][  T193] Modules linked in: veth
| [    9.304461][  T193] Tainted: [W]=WARN
[    9.304565][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.304738][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.304946][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.305440][  T193] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.305612][  T193] RAX: 00000000ffffffa6 RBX: ff11000004f28ac0 RCX: 1ff4000000116dfc
[    9.305817][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f28b78
[    9.306024][  T193] RBP: ff1100000c12c000 R08: 1fe22000009e5170 R09: ff1100000cf98b80
[    9.306227][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.306431][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.306634][  T193] FS:  00007f2b6e482840(0000) GS:ff1100008f830000(0000) knlGS:0000000000000000
[    9.306884][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.307053][  T193] CR2: 000000000042ebe0 CR3: 0000000005cda003 CR4: 0000000000771ef0
[    9.307257][  T193] PKRU: 55555554
[    9.307363][  T193] Call Trace:
[    9.307466][  T193]  <TASK>
[    9.307536][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.307679][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.307783][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.307927][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.308065][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.308202][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.308345][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.308489][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.308628][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.308769][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.308911][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.309054][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.309195][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.309334][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.309479][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.309617][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.309759][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.309900][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.310040][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.310178][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.310316][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.310459][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.310595][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.310736][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.310880][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.311016][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.311154][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.311291][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.311435][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.311574][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.311712][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.311858][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.311997][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.312135][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.312272][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.312416][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.312554][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.312697][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.312836][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.312980][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.313149][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.313293][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.313434][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.313572][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.313722][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.313865][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.314002][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.314142][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.314279][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.314423][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.314559][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.314699][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.314835][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.315008][  T193] RIP: 0033:0x7f2b6e6bc08e
[    9.315150][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.315641][  T193] RSP: 002b:00007ffd6126a9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.315853][  T193] RAX: ffffffffffffffda RBX: 00007ffd6126b158 RCX: 00007f2b6e6bc08e
[    9.316057][  T193] RDX: 0000000000000000 RSI: 00007ffd6126aa70 RDI: 0000000000000005
[    9.316262][  T193] RBP: 00007ffd6126a9d0 R08: 0000000000000000 R09: 0000000000000000
[    9.316469][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdca
[    9.316675][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6126b130
| [    9.443579][  T199] ------------[ cut here ]------------
| [    9.443775][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/199
| [    9.444030][  T199] Modules linked in: veth
| [    9.444452][  T199] Tainted: [W]=WARN
[    9.444559][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.444739][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.444930][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.445445][  T199] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.445649][  T199] RAX: 00000000ffffffa6 RBX: ff1100000a6cd380 RCX: 1ff4000000116d8c
[    9.445865][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a6cd438
[    9.446077][  T199] RBP: ff110000087f9000 R08: 1fe22000014d9a88 R09: ff11000004d68b80
[    9.446289][  T199] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.446511][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b2b180
[    9.446723][  T199] FS:  00007fb78487a840(0000) GS:ff1100008f830000(0000) knlGS:0000000000000000
[    9.446976][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.447153][  T199] CR2: 00007f7a793cf388 CR3: 00000000089bc006 CR4: 0000000000771ef0
[    9.447374][  T199] PKRU: 55555554
[    9.447482][  T199] Call Trace:
[    9.447589][  T199]  <TASK>
[    9.447667][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.447813][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.447961][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.448068][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.448211][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.448363][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.448503][  T199]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.448645][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.448786][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.448930][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.449068][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.449216][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.449365][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.449506][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.449649][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.449791][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.449938][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.450081][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[    9.450228][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.450418][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.450560][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.450705][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.450869][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.451011][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.451154][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.451297][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.451446][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.451587][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.451734][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.451879][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.452020][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.452167][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.452311][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.452461][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.452600][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.452745][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.452891][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.453031][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.453176][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.453316][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.453461][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.453602][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.453746][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.453915][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.454057][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.454199][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.454343][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.454489][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.454630][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.454777][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.454923][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.455066][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.455209][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.455357][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.455498][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.455640][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.455784][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.455931][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.456074][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.456217][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.456398][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.456543][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.456683][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.456823][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.456978][  T199]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.457122][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.457265][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.457419][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.457560][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.457706][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.457850][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.457991][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.458133][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.458308][  T199] RIP: 0033:0x7fb784ab408e
[    9.458463][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.458966][  T199] RSP: 002b:00007ffefcb919a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.459180][  T199] RAX: ffffffffffffffda RBX: 00007ffefcb92138 RCX: 00007fb784ab408e
[    9.459398][  T199] RDX: 0000000000000000 RSI: 00007ffefcb91a50 RDI: 0000000000000005
[    9.459607][  T199] RBP: 00007ffefcb919b0 R08: 0000000000000000 R09: 0000000000000000
[    9.459817][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdca
[    9.460032][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefcb92110
| [    9.478943][  T199] ------------[ cut here ]------------
| [    9.479112][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.479361][  T199] Modules linked in: veth
| [    9.479779][  T199] Tainted: [W]=WARN
[    9.479889][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.480062][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.480243][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.480753][  T199] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.480933][  T199] RAX: 00000000ffffffa6 RBX: ff1100000c3e7000 RCX: 1ff4000000116dfc
[    9.481140][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c3e70b8
[    9.481354][  T199] RBP: ff11000008251000 R08: 1fe220000187ce18 R09: ff11000004d68b80
[    9.481579][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.481785][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.481997][  T199] FS:  00007fb78487a840(0000) GS:ff1100008f930000(0000) knlGS:0000000000000000
[    9.482240][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.482422][  T199] CR2: 00005617861cf6d8 CR3: 00000000089bc001 CR4: 0000000000771ef0
[    9.482632][  T199] PKRU: 55555554
[    9.482740][  T199] Call Trace:
[    9.482851][  T199]  <TASK>
[    9.482923][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.483064][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.483172][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.483311][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.483458][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.483596][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.483741][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.483891][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.484033][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.484171][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.484309][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.484461][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.484603][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.484749][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.484950][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.485091][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.485233][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.485378][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.485521][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.485663][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.485807][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.486009][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.486148][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.486290][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.486440][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.486579][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.486781][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.486978][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.487119][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.487268][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.487416][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.487557][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.487704][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.487907][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.488047][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.488246][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.488397][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.488539][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.488680][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.488819][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.489048][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.489194][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.489333][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.489480][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.489629][  T199]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.489775][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.489971][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.490116][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.490258][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.490420][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.490559][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.490702][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.490842][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.491078][  T199] RIP: 0033:0x7fb784ab408e
[    9.491226][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.491730][  T199] RSP: 002b:00007ffefcb919a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.491996][  T199] RAX: ffffffffffffffda RBX: 00007ffefcb92138 RCX: 00007fb784ab408e
[    9.492206][  T199] RDX: 0000000000000000 RSI: 00007ffefcb91a50 RDI: 0000000000000005
[    9.492422][  T199] RBP: 00007ffefcb919b0 R08: 0000000000000000 R09: 0000000000000000
[    9.492629][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cdca


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