======================================
| xx__-> [    9.225741][  T185] ------------[ cut here ]------------
| [    9.226006][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.226277][  T185] Modules linked in: veth
| [    9.226772][  T185] Tainted: [W]=WARN
[    9.226880][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.227121][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.227361][  T185] 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
[    9.227871][  T185] RSP: 0018:ffa00000008a6e30 EFLAGS: 00010286
[    9.228087][  T185] RAX: 00000000ffffffa6 RBX: ff1100000b9d7a80 RCX: 1ff4000000114d8c
[    9.228316][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b9d7b38
[    9.228566][  T185] RBP: ff11000009d7c000 R08: 1fe220000173af68 R09: ff11000009f70b80
[    9.228798][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.229014][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cae7c00
[    9.229231][  T185] FS:  00007f93acf7d840(0000) GS:ff110000a1d30000(0000) knlGS:0000000000000000
[    9.229491][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.229670][  T185] CR2: 000000000042ebe0 CR3: 000000000d36f004 CR4: 0000000000771ef0
[    9.229943][  T185] PKRU: 55555554
[    9.230059][  T185] Call Trace:
[    9.230168][  T185]  <TASK>
[    9.230241][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.230459][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.230604][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.230713][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.230856][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.231015][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.231195][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.231348][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.231496][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.231641][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.231783][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.231941][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.232093][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.232237][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.232394][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.232537][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.232714][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.232858][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.233019][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.233182][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.233349][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.233912][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.234073][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.234221][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.234397][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.234544][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.234687][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.234944][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.235095][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.235241][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.235398][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.235636][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.235778][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.235930][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.236076][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.236225][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.236377][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.236518][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.236666][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.236810][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.236986][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.237237][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.237388][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.237545][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.237697][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.237965][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.238231][  T185]  ? 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))
[    9.238382][  T185]  ? 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))
[    9.238525][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.238669][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.238812][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.239002][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.239269][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.239423][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.239567][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.239709][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.239960][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.240145][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.240303][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.240443][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.240586][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.240740][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.240884][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.241089][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.241272][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.241425][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.241568][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.241810][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.241979][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.242123][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.242301][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.242444][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.242621][  T185] RIP: 0033:0x7f93ad1b708e
[    9.242884][  T185] 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
[    9.243533][  T185] RSP: 002b:00007ffc9e9157e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.243768][  T185] RAX: ffffffffffffffda RBX: 00007ffc9e915f78 RCX: 00007f93ad1b708e
[    9.244042][  T185] RDX: 0000000000000000 RSI: 00007ffc9e915890 RDI: 0000000000000005
[    9.244367][  T185] RBP: 00007ffc9e9157f0 R08: 0000000000000000 R09: 0000000000000000
[    9.244582][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf18
[    9.244791][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9e915f50
| [    9.254958][  T185] ------------[ cut here ]------------
| [    9.255130][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.255432][  T185] Modules linked in: veth
| [    9.255820][  T185] Tainted: [W]=WARN
[    9.255933][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.256116][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.256365][  T185] 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
[    9.256876][  T185] RSP: 0018:ffa00000008a71b0 EFLAGS: 00010286
[    9.257111][  T185] RAX: 00000000ffffffa6 RBX: ff1100000a897000 RCX: 1ff4000000114dfc
[    9.257383][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a8970b8
[    9.257587][  T185] RBP: ff11000009d81000 R08: 1fe2200001512e18 R09: ff11000009f70b80
[    9.257791][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.258007][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.258216][  T185] FS:  00007f93acf7d840(0000) GS:ff110000a1d30000(0000) knlGS:0000000000000000
[    9.258518][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.258692][  T185] CR2: 000000000042ebe0 CR3: 000000000d36f004 CR4: 0000000000771ef0
[    9.258898][  T185] PKRU: 55555554
[    9.259026][  T185] Call Trace:
[    9.259148][  T185]  <TASK>
[    9.259224][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.259431][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.259537][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.259680][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.259820][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.259981][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.260125][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.260275][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.260474][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.260614][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.260752][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.260898][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.261059][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.261203][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.261406][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.261544][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.261683][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.261819][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.261993][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.262137][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.262345][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.262508][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.262649][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.262786][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.262942][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.263088][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.263230][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.263433][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.263571][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.263714][  T185]  ? 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))
[    9.263851][  T185]  ? 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))
[    9.264012][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.264154][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.264355][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.264494][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.264651][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.264792][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.264936][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.265075][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.265215][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.265447][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.265591][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.265727][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.265863][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.266040][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.266182][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.266400][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.266540][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.266681][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.266819][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.266971][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.267110][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.267259][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.267452][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.267593][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.267764][  T185] RIP: 0033:0x7f93ad1b708e
[    9.267935][  T185] 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
[    9.268506][  T185] RSP: 002b:00007ffc9e9157e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.268715][  T185] RAX: ffffffffffffffda RBX: 00007ffc9e915f78 RCX: 00007f93ad1b708e
[    9.268931][  T185] RDX: 0000000000000000 RSI: 00007ffc9e915890 RDI: 0000000000000005
[    9.269161][  T185] RBP: 00007ffc9e9157f0 R08: 0000000000000000 R09: 0000000000000000
[    9.269433][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf18
[    9.269640][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9e915f50
| [    9.426615][  T193] ------------[ cut here ]------------
| [    9.426802][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.427092][  T193] Modules linked in: veth
| [    9.427514][  T193] Tainted: [W]=WARN
[    9.427625][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.427802][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.428034][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.428574][  T193] RSP: 0018:ffa0000000606e30 EFLAGS: 00010286
[    9.428753][  T193] RAX: 00000000ffffffa6 RBX: ff110000091c1540 RCX: 1ff40000000c0d8c
[    9.428998][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091c15f8
[    9.429229][  T193] RBP: ff110000088fc000 R08: 1fe22000012382c0 R09: ff1100000ca92e80
[    9.429451][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.429661][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000caac780
[    9.429876][  T193] FS:  00007f1d047d5840(0000) GS:ff110000a1c30000(0000) knlGS:0000000000000000
[    9.430156][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.430347][  T193] CR2: 00007f850ce20d80 CR3: 000000000c5ef001 CR4: 0000000000771ef0
[    9.430559][  T193] PKRU: 55555554
[    9.430668][  T193] Call Trace:
[    9.430791][  T193]  <TASK>
[    9.430868][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.431057][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.431166][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.431356][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.431497][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.431637][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.431777][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.431934][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.432096][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.432241][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.432394][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.432535][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.432675][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.432817][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.432976][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.433122][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.433313][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.433457][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.433604][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.433762][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.433943][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.434102][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.434253][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.434401][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.434544][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.434689][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.434833][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.435022][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.435173][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.435330][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.435475][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.435618][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.435760][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.435935][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.436088][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.436241][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.436399][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.436547][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.436690][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.436837][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.437044][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.437200][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.437355][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.437498][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.437644][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.437888][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.438060][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.438202][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.438361][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.438504][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.438650][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.438794][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.438948][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.439140][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.439298][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.439443][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.439586][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.439761][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.439914][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.440085][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.440231][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.440396][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.440944][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.441123][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.441280][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.441446][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.441590][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.441732][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.441877][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.442062][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.442239][  T193] RIP: 0033:0x7f1d04a0f08e
[    9.442399][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.442912][  T193] RSP: 002b:00007ffd658361a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.443126][  T193] RAX: ffffffffffffffda RBX: 00007ffd65836938 RCX: 00007f1d04a0f08e
[    9.443351][  T193] RDX: 0000000000000000 RSI: 00007ffd65836250 RDI: 0000000000000005
[    9.443562][  T193] RBP: 00007ffd658361b0 R08: 0000000000000000 R09: 0000000000000000
[    9.443778][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf18
[    9.444021][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd65836910
| [    9.466747][  T193] ------------[ cut here ]------------
| [    9.466943][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [    9.467203][  T193] Modules linked in: veth
| [    9.467655][  T193] Tainted: [W]=WARN
[    9.467761][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.467987][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.468202][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.468712][  T193] RSP: 0018:ffa00000006071b0 EFLAGS: 00010286
[    9.468890][  T193] RAX: 00000000ffffffa6 RBX: ff1100000acd4900 RCX: 1ff40000000c0dfc
[    9.469132][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000acd49b8
[    9.469356][  T193] RBP: ff11000008211000 R08: 1fe220000159a938 R09: ff1100000ca92e80
[    9.469561][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.469768][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.469990][  T193] FS:  00007f1d047d5840(0000) GS:ff110000a1c30000(0000) knlGS:0000000000000000
[    9.470233][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.470415][  T193] CR2: 0000557f1b2f86c0 CR3: 000000000c5ef001 CR4: 0000000000771ef0
[    9.470625][  T193] PKRU: 55555554
[    9.470729][  T193] Call Trace:
[    9.470835][  T193]  <TASK>
[    9.470909][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.471054][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.471161][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.471311][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.471448][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.471589][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.471729][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.471869][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.472011][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.472146][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.472296][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.472438][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.472582][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.472722][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472860][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.473019][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473161][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.473322][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.473463][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.473603][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473741][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.473878][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.474047][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.474188][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.474338][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.474473][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.474614][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.474751][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.474889][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.475050][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.475190][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.475340][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.475477][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.475616][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.475754][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.475898][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.476063][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.476205][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.476357][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.476493][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.476663][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.476804][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.476959][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.477098][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.477249][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.477396][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.477532][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.477674][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.477812][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.477991][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.478157][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.478307][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.478442][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.478614][  T193] RIP: 0033:0x7f1d04a0f08e
[    9.478755][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.479268][  T193] RSP: 002b:00007ffd658361a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.479477][  T193] RAX: ffffffffffffffda RBX: 00007ffd65836938 RCX: 00007f1d04a0f08e
[    9.479681][  T193] RDX: 0000000000000000 RSI: 00007ffd65836250 RDI: 0000000000000005
[    9.479886][  T193] RBP: 00007ffd658361b0 R08: 0000000000000000 R09: 0000000000000000
[    9.480134][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf18
[    9.480352][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd65836910
| [    9.726768][  T199] ------------[ cut here ]------------
| [    9.727041][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/199
| [    9.728076][  T199] Modules linked in: veth
| [    9.728822][  T199] Tainted: [W]=WARN
[    9.729217][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.729511][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.729747][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.730430][  T199] RSP: 0018:ffa0000000606e30 EFLAGS: 00010286
[    9.730673][  T199] RAX: 00000000ffffffa6 RBX: ff1100000a896900 RCX: 1ff40000000c0d8c
[    9.730937][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a8969b8
[    9.731340][  T199] RBP: ff1100000d13c000 R08: 1fe2200001512d38 R09: ff1100000d300b80
[    9.731631][  T199] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.731907][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e1cb00
[    9.732222][  T199] FS:  00007f05ef7e8840(0000) GS:ff110000a1cb0000(0000) knlGS:0000000000000000
[    9.732594][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.732825][  T199] CR2: 000000000042ebe0 CR3: 000000000c953001 CR4: 0000000000771ef0
[    9.733132][  T199] PKRU: 55555554
[    9.733315][  T199] Call Trace:
[    9.733471][  T199]  <TASK>
[    9.733595][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.733790][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.734019][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.734184][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.734403][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.734598][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.734790][  T199]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.735031][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.735239][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.735455][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.735648][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.735839][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.736052][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.736264][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.736474][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.736669][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.736862][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.737125][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[    9.737342][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.737568][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.737762][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.737973][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.738192][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.738406][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.738603][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.738793][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.739004][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.739207][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.739423][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.739617][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.739811][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.740028][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.740236][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.740452][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.740644][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.740836][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.741027][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.741227][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.741446][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.741639][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.741831][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.742118][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.742334][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.742540][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.742736][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.742927][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.743151][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.743369][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.743564][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.743759][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.743974][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.744180][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.744396][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.744587][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.744779][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.744999][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.745209][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.745427][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.745621][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.745817][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.746081][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.746306][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.746495][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.746686][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.746886][  T199]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.747103][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.747326][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.747523][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.747736][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.747933][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.748146][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.748364][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.748556][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.748779][  T199] RIP: 0033:0x7f05efa2208e
[    9.749029][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.749621][  T199] RSP: 002b:00007ffc104fb450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.749881][  T199] RAX: ffffffffffffffda RBX: 00007ffc104fbbe8 RCX: 00007f05efa2208e
[    9.750165][  T199] RDX: 0000000000000000 RSI: 00007ffc104fb500 RDI: 0000000000000005
[    9.750459][  T199] RBP: 00007ffc104fb460 R08: 0000000000000000 R09: 0000000000000000
[    9.750717][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf19
[    9.751035][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc104fbbc0
| [    9.772851][  T199] ------------[ cut here ]------------
| [    9.773076][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/199
| [    9.773393][  T199] Modules linked in: veth
| [    9.773971][  T199] Tainted: [W]=WARN
[    9.774135][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.774456][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.774685][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.775268][  T199] RSP: 0018:ffa00000006071b0 EFLAGS: 00010286
[    9.775527][  T199] RAX: 00000000ffffffa6 RBX: ff1100000f0d2e40 RCX: 1ff40000000c0dfc
[    9.775784][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f0d2ef8
[    9.776067][  T199] RBP: ff11000008954000 R08: 1fe2200001e1a5e0 R09: ff1100000d300b80
[    9.776344][  T199] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.776616][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.776874][  T199] FS:  00007f05ef7e8840(0000) GS:ff110000a1cb0000(0000) knlGS:0000000000000000
[    9.777197][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.777438][  T199] CR2: 000000000042ebe0 CR3: 000000000c953001 CR4: 0000000000771ef0
[    9.777691][  T199] PKRU: 55555554
[    9.777842][  T199] Call Trace:
[    9.778009][  T199]  <TASK>
[    9.778135][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.778350][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.778505][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.778695][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.778884][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.779089][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.779330][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.779523][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.779713][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.779898][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.780106][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.780330][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.780521][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.780710][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.780895][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.781106][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.781320][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.781505][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.781696][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.781884][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.782089][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.782301][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.782487][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.782692][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.782879][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.783087][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.783302][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.783487][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.783708][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.783903][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.784110][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.784327][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.784534][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.784720][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.784906][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.785111][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.785327][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.785516][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.785705][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.785890][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.786122][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.786337][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.786523][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.786708][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.786907][  T199]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.787113][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.787328][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.787517][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.787703][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.787890][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.788108][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.788329][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.788520][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.788738][  T199] RIP: 0033:0x7f05efa2208e
[    9.788929][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.789533][  T199] RSP: 002b:00007ffc104fb450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.789789][  T199] RAX: ffffffffffffffda RBX: 00007ffc104fbbe8 RCX: 00007f05efa2208e
[    9.790084][  T199] RDX: 0000000000000000 RSI: 00007ffc104fb500 RDI: 0000000000000005
[    9.790364][  T199] RBP: 00007ffc104fb460 R08: 0000000000000000 R09: 0000000000000000
[    9.790615][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf19


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