======================================
| xx__-> [   10.994345][  T186] ------------[ cut here ]------------
| [   10.994568][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.994844][  T186] Modules linked in: veth
| [   10.995335][  T186] Tainted: [W]=WARN
[   10.995445][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.995629][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.995818][  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
[   10.996412][  T186] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   10.996595][  T186] RAX: 00000000ffffffa6 RBX: ff1100000d860580 RCX: 1ff4000000110d8c
[   10.996806][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d860638
[   10.997017][  T186] RBP: ff110000078bc000 R08: 1fe2200001b0c0c8 R09: ff1100000d3dae80
[   10.997291][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.997508][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009276380
[   10.997727][  T186] FS:  00007f3c0f224840(0000) GS:ff11000092930000(0000) knlGS:0000000000000000
[   10.997975][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.998213][  T186] CR2: 00005643c2f19370 CR3: 000000000d31f004 CR4: 0000000000771ef0
[   10.998467][  T186] PKRU: 55555554
[   10.998577][  T186] Call Trace:
[   10.998687][  T186]  <TASK>
[   10.998760][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.998938][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.999139][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.999246][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.999406][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.999548][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.999700][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.999840][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.999980][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.000184][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.000368][  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)
[   11.000546][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.000692][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.000834][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.000975][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.001179][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.001363][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.001566][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.001833][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.002199][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.002396][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.002624][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.002851][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.003173][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.003400][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.003636][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.003869][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.004214][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.004467][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.004709][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.004946][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.005292][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.005535][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.005771][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.005997][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.006357][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.006588][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.006819][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.007156][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.007387][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.007613][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.007844][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.008171][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.008415][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.008635][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.008860][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.009197][  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))
[   11.009430][  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))
[   11.009659][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.009885][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.010218][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.010448][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.010681][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.010916][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.011254][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.011484][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.011709][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.011986][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.012341][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.012563][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.012783][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.013126][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.013365][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.013595][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.013831][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.014243][  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)
[   11.014492][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.014750][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.014987][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.015436][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.015670][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.015901][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.016383][  T186] RIP: 0033:0x7f3c0f45e08e
[   11.016622][  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
[   11.017666][  T186] RSP: 002b:00007ffd52f19af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.018250][  T186] RAX: ffffffffffffffda RBX: 00007ffd52f1a288 RCX: 00007f3c0f45e08e
[   11.018602][  T186] RDX: 0000000000000000 RSI: 00007ffd52f19ba0 RDI: 0000000000000005
[   11.018936][  T186] RBP: 00007ffd52f19b00 R08: 0000000000000000 R09: 0000000000000000
[   11.019484][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c921
[   11.019832][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd52f1a260
| [   11.038563][  T186] ------------[ cut here ]------------
| [   11.038728][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   11.038973][  T186] Modules linked in: veth
| [   11.039438][  T186] Tainted: [W]=WARN
[   11.039546][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.039729][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.039912][  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
[   11.040504][  T186] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   11.040711][  T186] RAX: 00000000ffffffa6 RBX: ff11000004d3e900 RCX: 1ff4000000110dfc
[   11.040919][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d3e9b8
[   11.041134][  T186] RBP: ff11000007af4000 R08: 1fe22000009a7d38 R09: ff1100000d3dae80
[   11.041353][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.041622][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.041947][  T186] FS:  00007f3c0f224840(0000) GS:ff110000927b0000(0000) knlGS:0000000000000000
[   11.042355][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.042640][  T186] CR2: 00005643c2fe1d50 CR3: 000000000d31f005 CR4: 0000000000771ef0
[   11.042999][  T186] PKRU: 55555554
[   11.043292][  T186] Call Trace:
[   11.043503][  T186]  <TASK>
[   11.043625][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.043868][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.044152][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.044376][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.044515][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.044668][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.044812][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.044955][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.045164][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.045371][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.045514][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.045717][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.045863][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.046009][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.046163][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.046303][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.046448][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.046590][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.046737][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.046878][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.047022][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.047166][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.047310][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.047458][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.047606][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.047748][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.047891][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.048038][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.048179][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.048332][  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))
[   11.048470][  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))
[   11.048616][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.048757][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.048896][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.049043][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.049189][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.049335][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.049478][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.049631][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.049770][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.049945][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.050103][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.050244][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.050391][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.050543][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.050687][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.050827][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.050966][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.051115][  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)
[   11.051260][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.051406][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.051549][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.051697][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.051839][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.051979][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.052161][  T186] RIP: 0033:0x7f3c0f45e08e
[   11.052308][  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
[   11.052818][  T186] RSP: 002b:00007ffd52f19af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.053034][  T186] RAX: ffffffffffffffda RBX: 00007ffd52f1a288 RCX: 00007f3c0f45e08e
[   11.053248][  T186] RDX: 0000000000000000 RSI: 00007ffd52f19ba0 RDI: 0000000000000005
[   11.053466][  T186] RBP: 00007ffd52f19b00 R08: 0000000000000000 R09: 0000000000000000
[   11.053682][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c921
[   11.053891][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd52f1a260
| [   11.232895][  T198] ------------[ cut here ]------------
| [   11.233128][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [   11.233407][  T198] Modules linked in: veth
| [   11.233868][  T198] Tainted: [W]=WARN
[   11.233979][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.234168][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.234388][  T198] 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
[   11.234906][  T198] RSP: 0018:ffa0000000686e30 EFLAGS: 00010286
[   11.235093][  T198] RAX: 00000000ffffffa6 RBX: ff11000004ae4900 RCX: 1ff40000000d0d8c
[   11.235303][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ae49b8
[   11.235525][  T198] RBP: ff110000080f1000 R08: 1fe220000095c938 R09: ff1100000b30ae80
[   11.235738][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.235947][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004e76a80
[   11.236162][  T198] FS:  00007f55dc720840(0000) GS:ff11000092930000(0000) knlGS:0000000000000000
[   11.236419][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.236602][  T198] CR2: 0000559f07982968 CR3: 00000000051c7004 CR4: 0000000000771ef0
[   11.236811][  T198] PKRU: 55555554
[   11.236917][  T198] Call Trace:
[   11.237022][  T198]  <TASK>
[   11.237101][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.237243][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.237408][  T198]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.237591][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   11.237738][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   11.237879][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.238075][  T198]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.238300][  T198]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.238550][  T198]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.238730][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.238916][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.239116][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.239312][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.239541][  T198]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.239762][  T198] veth_newlink (drivers/net/veth.c:1871) veth
[   11.239990][  T198]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.240276][  T198]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.240511][  T198]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.240726][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.240987][  T198]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.241218][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.241460][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.241689][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.241944][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.242186][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.242429][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.242655][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.242887][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.243138][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.243388][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.243664][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.243888][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.244126][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.244353][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.244579][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.244813][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.245049][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.245291][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.245528][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.245763][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.245983][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.246227][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.246458][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.246687][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.246916][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.247148][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.247408][  T198]  ? 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))
[   11.247633][  T198]  ? 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))
[   11.247885][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.248125][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.248442][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.248676][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.248911][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.249152][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.249405][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.249642][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.249874][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.250167][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   11.250416][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   11.250642][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.250876][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.251133][  T198]  ? 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))
[   11.251379][  T198]  __sys_sendmsg (net/socket.c:2784)
[   11.251616][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.251851][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.252104][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.252341][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.252568][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.252792][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.253016][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.253313][  T198] RIP: 0033:0x7f55dc95a08e
[   11.253566][  T198] 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
[   11.254448][  T198] RSP: 002b:00007ffce6af1ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.254809][  T198] RAX: ffffffffffffffda RBX: 00007ffce6af2478 RCX: 00007f55dc95a08e
[   11.255170][  T198] RDX: 0000000000000000 RSI: 00007ffce6af1d90 RDI: 0000000000000005
[   11.255538][  T198] RBP: 00007ffce6af1cf0 R08: 0000000000000000 R09: 0000000000000000
[   11.255894][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c921
[   11.256253][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce6af2450
| [   11.271294][  T198] ------------[ cut here ]------------
| [   11.271493][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [   11.271782][  T198] Modules linked in: veth
| [   11.272241][  T198] Tainted: [W]=WARN
[   11.272441][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.272719][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.273017][  T198] 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
[   11.273861][  T198] RSP: 0018:ffa00000006871b0 EFLAGS: 00010286
[   11.274155][  T198] RAX: 00000000ffffffa6 RBX: ff11000009e26580 RCX: 1ff40000000d0dfc
[   11.274504][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009e26638
[   11.274833][  T198] RBP: ff11000005119000 R08: 1fe22000013c4cc8 R09: ff1100000b30ae80
[   11.275063][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.275265][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.275474][  T198] FS:  00007f55dc720840(0000) GS:ff11000092930000(0000) knlGS:0000000000000000
[   11.275721][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.275893][  T198] CR2: 0000559f07982968 CR3: 00000000051c7004 CR4: 0000000000771ef0
[   11.276123][  T198] PKRU: 55555554
[   11.276227][  T198] Call Trace:
[   11.276336][  T198]  <TASK>
[   11.276408][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.276548][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.276659][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   11.276800][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   11.276939][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.277078][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.277218][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.277360][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.277498][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.277636][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.277770][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.277912][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.278060][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.278198][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.278338][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.278476][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.278641][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.278781][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.278924][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.279072][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.279209][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.279353][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.279490][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.279648][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.279871][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.280048][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.280273][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.280482][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.280711][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.280941][  T198]  ? 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))
[   11.281165][  T198]  ? 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))
[   11.281395][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.281622][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.281854][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.282099][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.282371][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.282606][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.282839][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.283078][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.283311][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.283605][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   11.283846][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   11.284075][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.284313][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.284587][  T198]  ? 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))
[   11.284822][  T198]  __sys_sendmsg (net/socket.c:2784)
[   11.285055][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.285285][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.285529][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.285753][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.285965][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.286221][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.286459][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.286730][  T198] RIP: 0033:0x7f55dc95a08e
[   11.286968][  T198] 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
[   11.287786][  T198] RSP: 002b:00007ffce6af1ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.288121][  T198] RAX: ffffffffffffffda RBX: 00007ffce6af2478 RCX: 00007f55dc95a08e
[   11.288457][  T198] RDX: 0000000000000000 RSI: 00007ffce6af1d90 RDI: 0000000000000005
[   11.288804][  T198] RBP: 00007ffce6af1cf0 R08: 0000000000000000 R09: 0000000000000000
[   11.289143][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c921
[   11.289474][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce6af2450
| [   11.553399][  T211] ------------[ cut here ]------------
| [   11.553648][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [   11.553949][  T211] Modules linked in: veth
| [   11.554468][  T211] Tainted: [W]=WARN
[   11.554630][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.554858][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.555107][  T211] 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
[   11.555675][  T211] RSP: 0018:ffa0000000526e30 EFLAGS: 00010286
[   11.555931][  T211] RAX: 00000000ffffffa6 RBX: ff1100000d860e40 RCX: 1ff40000000a4d8c
[   11.556207][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d860ef8
[   11.556477][  T211] RBP: ff110000084c9000 R08: 1fe2200001b0c1e0 R09: ff1100000b2d5180
[   11.556746][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.557005][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004e76000
[   11.557281][  T211] FS:  00007f79bb25b840(0000) GS:ff110000928b0000(0000) knlGS:0000000000000000
[   11.557592][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.557907][  T211] CR2: 000000000042ebe0 CR3: 00000000050cb001 CR4: 0000000000771ef0
[   11.558184][  T211] PKRU: 55555554
[   11.558348][  T211] Call Trace:
[   11.558504][  T211]  <TASK>
[   11.558660][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.558857][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.559064][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.559223][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.559424][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.560144][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.560348][  T211]  ? 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)
[   11.560543][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.560746][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.560951][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.561181][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.561385][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.561580][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.561781][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.561973][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.562175][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.562374][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.562569][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   11.562787][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.563013][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.563221][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.563421][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.563633][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.563825][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.564017][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.564218][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.564419][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.564619][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.564812][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.565001][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.565206][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.565427][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.565634][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.565926][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.566229][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.566525][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.566730][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.566920][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.567131][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.567332][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.567524][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.567724][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.567913][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.568117][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.568312][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.568509][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.568716][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.568909][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.569120][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.569350][  T211]  ? 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))
[   11.569541][  T211]  ? 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))
[   11.569787][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.569983][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.570187][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.570404][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.570603][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.570800][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.570994][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.571203][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.571402][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.571638][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.571839][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.572046][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.572236][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.572446][  T211]  ? 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))
[   11.572650][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.572846][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.573057][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.573250][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.573455][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.573661][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.573856][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.574063][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.574288][  T211] RIP: 0033:0x7f79bb49508e
[   11.574497][  T211] 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
[   11.575115][  T211] RSP: 002b:00007fff4b5b31c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.575389][  T211] RAX: ffffffffffffffda RBX: 00007fff4b5b3958 RCX: 00007f79bb49508e
[   11.575660][  T211] RDX: 0000000000000000 RSI: 00007fff4b5b3270 RDI: 0000000000000005
[   11.575925][  T211] RBP: 00007fff4b5b31d0 R08: 0000000000000000 R09: 0000000000000000
[   11.576201][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c921
[   11.576471][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4b5b3930
| [   11.592912][  T211] ------------[ cut here ]------------
| [   11.593390][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [   11.593976][  T211] Modules linked in: veth
| [   11.595064][  T211] Tainted: [W]=WARN
[   11.595368][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.595684][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.596073][  T211] 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
[   11.596916][  T211] RSP: 0018:ffa00000005271b0 EFLAGS: 00010286
[   11.597269][  T211] RAX: 00000000ffffffa6 RBX: ff1100000c30eac0 RCX: 1ff40000000a4dfc
[   11.597646][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c30eb78
[   11.598051][  T211] RBP: ff1100000d034000 R08: 1fe2200001861d70 R09: ff1100000b2d5180
[   11.598441][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.598820][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.599211][  T211] FS:  00007f79bb25b840(0000) GS:ff110000928b0000(0000) knlGS:0000000000000000
[   11.599659][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.599993][  T211] CR2: 000000000042ebe0 CR3: 00000000050cb001 CR4: 0000000000771ef0
[   11.600388][  T211] PKRU: 55555554
[   11.600597][  T211] Call Trace:
[   11.600824][  T211]  <TASK>
[   11.601003][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.601296][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.601526][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.601803][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.602087][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.602369][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.602639][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.602915][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.603212][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.603493][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.603748][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.604045][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.604334][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.604635][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.604918][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.605221][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.605501][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.605771][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.606067][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.606344][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.606621][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.606890][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.607179][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.607502][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.607787][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.608084][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.608377][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.608652][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.608937][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.609239][  T211]  ? 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))
[   11.609528][  T211]  ? 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))
[   11.609805][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.610101][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.610379][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.610651][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.610923][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.611209][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.611494][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.611768][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.612073][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.612401][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.612687][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.612965][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.613260][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.613570][  T211]  ? 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))
[   11.613859][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.614183][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.614481][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.614771][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.615066][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.615354][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.615640][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.615930][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.616279][  T211] RIP: 0033:0x7f79bb49508e
[   11.616572][  T211] 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
[   11.617428][  T211] RSP: 002b:00007fff4b5b31c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.617818][  T211] RAX: ffffffffffffffda RBX: 00007fff4b5b3958 RCX: 00007f79bb49508e
[   11.618220][  T211] RDX: 0000000000000000 RSI: 00007fff4b5b3270 RDI: 0000000000000005
[   11.618612][  T211] RBP: 00007fff4b5b31d0 R08: 0000000000000000 R09: 0000000000000000
[   11.619015][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c921


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