======================================
| xx__-> [    9.161975][  T189] ------------[ cut here ]------------
| [    9.162277][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/189
| [    9.162528][  T189] Modules linked in: veth
| [    9.163014][  T189] Tainted: [W]=WARN
[    9.163123][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.163312][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.163498][  T189] 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
[    9.164010][  T189] RSP: 0018:ffa00000007a6e30 EFLAGS: 00010286
[    9.164199][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c698580 RCX: 1ff40000000f4d8c
[    9.164412][  T189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c698638
[    9.164731][  T189] RBP: ff110000088a9000 R08: 1fe22000018d30c8 R09: ff1100000d27d180
[    9.164944][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.165411][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000be35900
[    9.165624][  T189] FS:  00007f5879739840(0000) GS:ff1100008f230000(0000) knlGS:0000000000000000
[    9.165879][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.166069][  T189] CR2: 00007fec91e34808 CR3: 000000000d2ae003 CR4: 0000000000771ef0
[    9.166348][  T189] PKRU: 55555554
[    9.166452][  T189] Call Trace:
[    9.166557][  T189]  <TASK>
[    9.166629][  T189]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.166813][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.166955][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.167063][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.167282][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.167423][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[    9.167564][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.167708][  T189]  ? netif_change_name (net/core/dev.c:1495)
[    9.167893][  T189]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.168038][  T189]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.168184][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.168383][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.168558][  T189]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.168700][  T189]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.168850][  T189] veth_newlink (drivers/net/veth.c:1871) veth
[    9.168994][  T189]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.169172][  T189]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.169376][  T189]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.169516][  T189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.169696][  T189]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.169844][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.169988][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.170132][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.170295][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.170436][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.170579][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.170725][  T189]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.170866][  T189]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.171014][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.171164][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.171311][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.171452][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.171594][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.171738][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.171880][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.172026][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.172172][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.172317][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.172554][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.172697][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.172847][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.172992][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.173137][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.173285][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.173427][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.173569][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.173720][  T189]  ? 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))
[    9.173863][  T189]  ? 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))
[    9.174007][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.174154][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.174299][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.174536][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.174678][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.174932][  T189]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.175178][  T189]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.175326][  T189]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.175467][  T189]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.175642][  T189]  ? move_addr_to_kernel (net/socket.c:258)
[    9.175795][  T189]  ___sys_sendmsg (net/socket.c:2752)
[    9.175938][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.176177][  T189]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.176333][  T189]  ? 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))
[    9.176476][  T189]  __sys_sendmsg (net/socket.c:2784)
[    9.176617][  T189]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.176768][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.177009][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.177156][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.177301][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.177495][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.177655][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.177936][  T189] RIP: 0033:0x7f587997308e
[    9.178083][  T189] 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
[    9.178696][  T189] RSP: 002b:00007ffe2d8f3450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.178922][  T189] RAX: ffffffffffffffda RBX: 00007ffe2d8f3be8 RCX: 00007f587997308e
[    9.179239][  T189] RDX: 0000000000000000 RSI: 00007ffe2d8f3500 RDI: 0000000000000005
[    9.179447][  T189] RBP: 00007ffe2d8f3460 R08: 0000000000000000 R09: 0000000000000000
[    9.179654][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc4a
[    9.179964][  T189] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2d8f3bc0
| [    9.197691][  T189] ------------[ cut here ]------------
| [    9.197884][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/189
| [    9.198134][  T189] Modules linked in: veth
| [    9.199390][  T189] Tainted: [W]=WARN
[    9.199493][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.199665][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.199857][  T189] 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
[    9.200354][  T189] RSP: 0018:ffa00000007a71b0 EFLAGS: 00010286
[    9.200526][  T189] RAX: 00000000ffffffa6 RBX: ff1100000c696e40 RCX: 1ff40000000f4dfc
[    9.200735][  T189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c696ef8
[    9.200941][  T189] RBP: ff11000008761000 R08: 1fe22000018d2de0 R09: ff1100000d27d180
[    9.201151][  T189] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.201359][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.201565][  T189] FS:  00007f5879739840(0000) GS:ff1100008f230000(0000) knlGS:0000000000000000
[    9.201812][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.201988][  T189] CR2: 00007fec91e34808 CR3: 000000000d2ae003 CR4: 0000000000771ef0
[    9.202204][  T189] PKRU: 55555554
[    9.202306][  T189] Call Trace:
[    9.202408][  T189]  <TASK>
[    9.202480][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.202620][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.202734][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[    9.202875][  T189]  ? netif_change_name (net/core/dev.c:1495)
[    9.203015][  T189]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.203155][  T189]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.203306][  T189]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.203445][  T189]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.203585][  T189]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.203730][  T189]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.203871][  T189]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.204013][  T189]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.204160][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.204309][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.204445][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.204584][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.204728][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.204868][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.205010][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.205152][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.205295][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.205431][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.205568][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.205715][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.205864][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.206004][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.206146][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.206289][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.206427][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.206568][  T189]  ? 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))
[    9.206710][  T189]  ? 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))
[    9.206851][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.206993][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.207136][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.207277][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.207416][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.207555][  T189]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.207697][  T189]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.207846][  T189]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.207986][  T189]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.208161][  T189]  ? move_addr_to_kernel (net/socket.c:258)
[    9.208400][  T189]  ___sys_sendmsg (net/socket.c:2752)
[    9.208541][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.208700][  T189]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.208948][  T189]  ? 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))
[    9.209088][  T189]  __sys_sendmsg (net/socket.c:2784)
[    9.209237][  T189]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.209378][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.209517][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.209659][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.209804][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.210104][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.210253][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.210515][  T189] RIP: 0033:0x7f587997308e
[    9.210763][  T189] 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
[    9.211263][  T189] RSP: 002b:00007ffe2d8f3450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.211565][  T189] RAX: ffffffffffffffda RBX: 00007ffe2d8f3be8 RCX: 00007f587997308e
[    9.211798][  T189] RDX: 0000000000000000 RSI: 00007ffe2d8f3500 RDI: 0000000000000005
[    9.212004][  T189] RBP: 00007ffe2d8f3460 R08: 0000000000000000 R09: 0000000000000000
[    9.212220][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc4a
[    9.212426][  T189] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2d8f3bc0
| [    9.395724][  T198] ------------[ cut here ]------------
| [    9.395959][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.396313][  T198] Modules linked in: veth
| [    9.396831][  T198] Tainted: [W]=WARN
[    9.396995][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.397245][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.397485][  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
[    9.398048][  T198] RSP: 0018:ffa00000005f6e30 EFLAGS: 00010286
[    9.398308][  T198] RAX: 00000000ffffffa6 RBX: ff1100000bc53380 RCX: 1ff40000000bed8c
[    9.398572][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bc53438
[    9.398847][  T198] RBP: ff1100000bec9000 R08: 1fe220000178a688 R09: ff1100000d00ae80
[    9.399112][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.399399][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d14dc80
[    9.399668][  T198] FS:  00007fdb925ee840(0000) GS:ff1100008f2b0000(0000) knlGS:0000000000000000
[    9.399977][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.400232][  T198] CR2: 000000000042ebe0 CR3: 000000000d967001 CR4: 0000000000771ef0
[    9.400498][  T198] PKRU: 55555554
[    9.400657][  T198] Call Trace:
[    9.400830][  T198]  <TASK>
[    9.400958][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.401160][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.401336][  T198]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.401566][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[    9.401771][  T198]  ? netif_change_name (net/core/dev.c:1495)
[    9.401970][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.402171][  T198]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.402381][  T198]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.402579][  T198]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.402792][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.402994][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.403215][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.403410][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.403604][  T198]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.403813][  T198] veth_newlink (drivers/net/veth.c:1871) veth
[    9.404016][  T198]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.404271][  T198]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.404468][  T198]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.404666][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.404883][  T198]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.405080][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.405301][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.405499][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.405695][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.405902][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.406102][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.406317][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.406512][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.406725][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.406934][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.407134][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.407346][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.407546][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.407751][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.407951][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.408156][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.408365][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.408560][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.408764][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.419355][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.419558][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.419762][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.419960][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.420162][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.420374][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.420569][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.420778][  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))
[    9.421028][  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))
[    9.421249][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.421447][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.421642][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.421849][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.422048][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.422268][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.422466][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.422953][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.423148][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.423390][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.423589][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.423793][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.423990][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.424220][  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))
[    9.424417][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.424614][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.425007][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.425227][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.425419][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.425610][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.425814][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.426102][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.426442][  T198] RIP: 0033:0x7fdb9282808e
[    9.426645][  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
[    9.427228][  T198] RSP: 002b:00007ffc04f6ba40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.427677][  T198] RAX: ffffffffffffffda RBX: 00007ffc04f6c1d8 RCX: 00007fdb9282808e
[    9.427952][  T198] RDX: 0000000000000000 RSI: 00007ffc04f6baf0 RDI: 0000000000000005
[    9.428237][  T198] RBP: 00007ffc04f6ba50 R08: 0000000000000000 R09: 0000000000000000
[    9.428499][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc4a
[    9.428767][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc04f6c1b0
| [    9.438815][  T198] ------------[ cut here ]------------
| [    9.439004][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [    9.439322][  T198] Modules linked in: veth
| [    9.439916][  T198] Tainted: [W]=WARN
[    9.440071][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.440384][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.440680][  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
[    9.441306][  T198] RSP: 0018:ffa00000005f71b0 EFLAGS: 00010286
[    9.441588][  T198] RAX: 00000000ffffffa6 RBX: ff1100000ca8b1c0 RCX: 1ff40000000bedfc
[    9.441909][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca8b278
[    9.442245][  T198] RBP: ff1100000a154000 R08: 1fe2200001951650 R09: ff1100000d00ae80
[    9.442562][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.442883][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.443217][  T198] FS:  00007fdb925ee840(0000) GS:ff1100008f2b0000(0000) knlGS:0000000000000000
[    9.443569][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.443856][  T198] CR2: 000000000042ebe0 CR3: 000000000d967001 CR4: 0000000000771ef0
[    9.444185][  T198] PKRU: 55555554
[    9.444469][  T198] Call Trace:
[    9.444676][  T198]  <TASK>
[    9.444862][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.445109][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.445340][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[    9.445589][  T198]  ? netif_change_name (net/core/dev.c:1495)
[    9.445844][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.446089][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.446358][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.446604][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.446858][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.447102][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.447375][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.447625][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.447885][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.448138][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.448399][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.448645][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.448898][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.449154][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.449417][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.449662][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.449917][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.450176][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.450433][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.450678][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.450934][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.451258][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.451509][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.451763][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.452009][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.452286][  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))
[    9.452529][  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))
[    9.452784][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.453031][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.453303][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.453548][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.453802][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.454049][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.454339][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.454635][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.454933][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.455214][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.455407][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.455601][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.455799][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.455998][  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))
[    9.456215][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.456407][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.456601][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.456801][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.456990][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.457206][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.457397][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.457590][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.457820][  T198] RIP: 0033:0x7fdb9282808e
[    9.458016][  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
[    9.458575][  T198] RSP: 002b:00007ffc04f6ba40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.458845][  T198] RAX: ffffffffffffffda RBX: 00007ffc04f6c1d8 RCX: 00007fdb9282808e
[    9.459100][  T198] RDX: 0000000000000000 RSI: 00007ffc04f6baf0 RDI: 0000000000000005
[    9.459376][  T198] RBP: 00007ffc04f6ba50 R08: 0000000000000000 R09: 0000000000000000
[    9.459630][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc4a
[    9.459889][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc04f6c1b0
| [    9.630722][  T204] ------------[ cut here ]------------
| [    9.630950][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.631307][  T204] Modules linked in: veth
| [    9.631868][  T204] Tainted: [W]=WARN
[    9.632029][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.632284][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.632524][  T204] 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
[    9.633095][  T204] RSP: 0018:ffa0000000696e30 EFLAGS: 00010286
[    9.633348][  T204] RAX: 00000000ffffffa6 RBX: ff1100000d225a80 RCX: 1ff40000000d2d8c
[    9.633611][  T204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d225b38
[    9.633886][  T204] RBP: ff1100000a064000 R08: 1fe2200001a44b68 R09: ff1100000c5b5180
[    9.634155][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.634431][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c57ea80
[    9.634721][  T204] FS:  00007fda3c645840(0000) GS:ff1100008f2b0000(0000) knlGS:0000000000000000
[    9.635046][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.635303][  T204] CR2: 000000000042ebe0 CR3: 0000000004b42003 CR4: 0000000000771ef0
[    9.635570][  T204] PKRU: 55555554
[    9.635738][  T204] Call Trace:
[    9.635897][  T204]  <TASK>
[    9.636022][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.636242][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.636441][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.636603][  T204]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.636807][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.637003][  T204]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.637221][  T204]  ? 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)
[    9.637415][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.637605][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.637825][  T204]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.638023][  T204]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.638243][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.638441][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.638635][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.638838][  T204]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.639032][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.639257][  T204]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.639459][  T204] veth_newlink (drivers/net/veth.c:1871) veth
[    9.639657][  T204]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.639895][  T204]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.640091][  T204]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.640306][  T204]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.640521][  T204]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.640724][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.640925][  T204]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.641118][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.641337][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.641535][  T204]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.641738][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.641931][  T204]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.642126][  T204]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.642346][  T204]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.642544][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.642747][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.642941][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.643143][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.643351][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.643544][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.643752][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.643948][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.644146][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.644356][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.644551][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.644753][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.644951][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.645145][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.645357][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.645552][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.645760][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.645959][  T204]  ? 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))
[    9.646157][  T204]  ? 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))
[    9.646374][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.646570][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.646773][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.646967][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.647172][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.647382][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.647580][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.647782][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.647974][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.648226][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.648425][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.648615][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.648818][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.649020][  T204]  ? 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))
[    9.649242][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.649435][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.649636][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.649837][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.650031][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.650247][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.650440][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.650636][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.650871][  T204] RIP: 0033:0x7fda3c87f08e
[    9.651072][  T204] 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
[    9.651645][  T204] RSP: 002b:00007fff3c713740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.651916][  T204] RAX: ffffffffffffffda RBX: 00007fff3c713ed8 RCX: 00007fda3c87f08e
[    9.652188][  T204] RDX: 0000000000000000 RSI: 00007fff3c7137f0 RDI: 0000000000000005
[    9.652462][  T204] RBP: 00007fff3c713750 R08: 0000000000000000 R09: 0000000000000000
[    9.652727][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc4a
[    9.652985][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3c713eb0
| [    9.663542][  T204] ------------[ cut here ]------------
| [    9.663762][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.664048][  T204] Modules linked in: veth
| [    9.664702][  T204] Tainted: [W]=WARN
[    9.664864][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.665084][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.665336][  T204] 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
[    9.665877][  T204] RSP: 0018:ffa00000006971b0 EFLAGS: 00010286
[    9.666101][  T204] RAX: 00000000ffffffa6 RBX: ff1100000caf6200 RCX: 1ff40000000d2dfc
[    9.666374][  T204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000caf62b8
[    9.666627][  T204] RBP: ff1100000a0cc000 R08: 1fe220000195ec58 R09: ff1100000c5b5180
[    9.666889][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.667143][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.667413][  T204] FS:  00007fda3c645840(0000) GS:ff1100008f2b0000(0000) knlGS:0000000000000000
[    9.667703][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.667937][  T204] CR2: 000000000042ebe0 CR3: 0000000004b42003 CR4: 0000000000771ef0
[    9.668217][  T204] PKRU: 55555554
[    9.668369][  T204] Call Trace:
[    9.668520][  T204]  <TASK>
[    9.668641][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.668839][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.668997][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.669212][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.669400][  T204]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.669586][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.669785][  T204]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.669974][  T204]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.670167][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.670368][  T204]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.670558][  T204]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.670757][  T204]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.670950][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.671146][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.671347][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.671536][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.671729][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.671917][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.672111][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.672319][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.672505][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.672692][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.672888][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.673076][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.673287][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.673475][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.673662][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.673857][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.674045][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.674261][  T204]  ? 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))
[    9.674444][  T204]  ? 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))
[    9.674632][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.674826][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.675015][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.675227][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.675415][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.675601][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.675797][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.675985][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.676178][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.676411][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.676601][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.676792][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.676977][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.677179][  T204]  ? 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))
[    9.677381][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.677568][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.677771][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.677958][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.678148][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.678351][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.678537][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.678731][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.678949][  T204] RIP: 0033:0x7fda3c87f08e
[    9.679143][  T204] 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
[    9.679685][  T204] RSP: 002b:00007fff3c713740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.679947][  T204] RAX: ffffffffffffffda RBX: 00007fff3c713ed8 RCX: 00007fda3c87f08e
[    9.680221][  T204] RDX: 0000000000000000 RSI: 00007fff3c7137f0 RDI: 0000000000000005
[    9.680475][  T204] RBP: 00007fff3c713750 R08: 0000000000000000 R09: 0000000000000000
[    9.680734][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc4a
[    9.680984][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3c713eb0
| [    9.838690][  T211] ------------[ cut here ]------------
| [    9.838888][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.839155][  T211] Modules linked in: veth
| [    9.839620][  T211] Tainted: [W]=WARN
[    9.839736][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.839915][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.840101][  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
[    9.840607][  T211] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[    9.840791][  T211] RAX: 00000000ffffffa6 RBX: ff1100000ca5c3c0 RCX: 1ff4000000114d8c
[    9.841003][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca5c478
[    9.841321][  T211] RBP: ff1100000d901000 R08: 1fe220000194b890 R09: ff1100000c83d180
[    9.841546][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.841791][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d069200
[    9.842012][  T211] FS:  00007fc09138e840(0000) GS:ff1100008f1b0000(0000) knlGS:0000000000000000
[    9.842366][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.842547][  T211] CR2: 000000000042ebe0 CR3: 0000000004acf002 CR4: 0000000000771ef0
[    9.842875][  T211] PKRU: 55555554
[    9.842985][  T211] Call Trace:
[    9.843091][  T211]  <TASK>
[    9.843170][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.843391][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.843535][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.843644][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.843792][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.843936][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.844083][  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)
[    9.844312][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.844454][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.844599][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.844816][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.844961][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.845105][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.845359][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.845501][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.845642][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.845792][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.845938][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[    9.846083][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.846360][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.846506][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.846647][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.846819][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.846975][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.847142][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.847376][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.847527][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.847670][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.847821][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.847972][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.848135][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.848303][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.848451][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.848597][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.848743][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.848886][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.849034][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.849178][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.849328][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.849472][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.849614][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.849758][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.849900][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.850043][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.850196][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.850336][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.850479][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.850620][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.850769][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.850916][  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))
[    9.851058][  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))
[    9.851210][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.851353][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.851495][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.851639][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.851793][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.851938][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.852083][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.852243][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.852385][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.852569][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.852722][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.852888][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.853052][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.853217][  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))
[    9.853363][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.853527][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.853675][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.853826][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.853970][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.854108][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.854262][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.854408][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.854584][  T211] RIP: 0033:0x7fc0915c808e
[    9.854740][  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
[    9.855249][  T211] RSP: 002b:00007ffe67700ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.855464][  T211] RAX: ffffffffffffffda RBX: 00007ffe67701788 RCX: 00007fc0915c808e
[    9.855673][  T211] RDX: 0000000000000000 RSI: 00007ffe677010a0 RDI: 0000000000000005
[    9.855890][  T211] RBP: 00007ffe67701000 R08: 0000000000000000 R09: 0000000000000000
[    9.856105][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc4b
[    9.856328][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe67701760
| [    9.876863][  T211] ------------[ cut here ]------------
| [    9.877033][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.877457][  T211] Modules linked in: veth
| [    9.877856][  T211] Tainted: [W]=WARN
[    9.877961][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.878137][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.878324][  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
[    9.878824][  T211] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[    9.879002][  T211] RAX: 00000000ffffffa6 RBX: ff11000005646900 RCX: 1ff4000000114dfc
[    9.879223][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000056469b8
[    9.879428][  T211] RBP: ff1100000d9fc000 R08: 1fe2200000ac8d38 R09: ff1100000c83d180
[    9.879636][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.879847][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.880061][  T211] FS:  00007fc09138e840(0000) GS:ff1100008f1b0000(0000) knlGS:0000000000000000
[    9.880316][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.880493][  T211] CR2: 000000000042ebe0 CR3: 0000000004acf002 CR4: 0000000000771ef0
[    9.880702][  T211] PKRU: 55555554
[    9.880814][  T211] Call Trace:
[    9.880917][  T211]  <TASK>
[    9.880998][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.881142][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.881255][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.881395][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.881534][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.881672][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.881821][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.881968][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.882109][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.882259][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.882397][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.882542][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.882682][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.882828][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.882968][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.883110][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.883258][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.883395][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.883538][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.883683][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.883870][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.884008][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.884154][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.884300][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.884438][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.884576][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.884726][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.884868][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.885008][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.885162][  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))
[    9.885309][  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))
[    9.885451][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.885593][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.885738][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.885878][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.886021][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.886168][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.886313][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.886453][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.886592][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.886773][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.886916][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.887056][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.887206][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.887354][  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))
[    9.887494][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.887633][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.887784][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.887923][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.888067][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.888211][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.888350][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.888488][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.888663][  T211] RIP: 0033:0x7fc0915c808e
[    9.888815][  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
[    9.889316][  T211] RSP: 002b:00007ffe67700ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.889527][  T211] RAX: ffffffffffffffda RBX: 00007ffe67701788 RCX: 00007fc0915c808e
[    9.889742][  T211] RDX: 0000000000000000 RSI: 00007ffe677010a0 RDI: 0000000000000005
[    9.889955][  T211] RBP: 00007ffe67701000 R08: 0000000000000000 R09: 0000000000000000
[    9.890165][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc4b


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