======================================
| xx__-> [   10.328192][  T185] ------------[ cut here ]------------
| [   10.328690][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.329307][  T185] Modules linked in: veth
| [   10.329849][  T185] Tainted: [W]=WARN
[   10.330008][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.330305][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.330597][  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
[   10.331294][  T185] RSP: 0018:ffa0000000756e30 EFLAGS: 00010286
[   10.331532][  T185] RAX: 00000000ffffffa6 RBX: ff11000009171e00 RCX: 1ff40000000ead8c
[   10.331797][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009171eb8
[   10.332062][  T185] RBP: ff11000009cf4000 R08: 1fe220000122e3d8 R09: ff1100000cb20b80
[   10.332345][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.332610][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c62e380
[   10.332877][  T185] FS:  00007f85103d6840(0000) GS:ff1100009c2b0000(0000) knlGS:0000000000000000
[   10.333181][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.333431][  T185] CR2: 0000557a6dd63d30 CR3: 000000000ce2e001 CR4: 0000000000771ef0
[   10.333699][  T185] PKRU: 55555554
[   10.333860][  T185] Call Trace:
[   10.334018][  T185]  <TASK>
[   10.334143][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.334395][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.334598][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.334761][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.334956][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.335150][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.335369][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.336308][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.336533][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.336731][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.336962][  T185]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   10.337196][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.337410][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.337604][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.337799][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   10.337998][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.338341][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.338535][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.338727][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.338936][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.339128][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.339342][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.339633][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.339921][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.340231][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.340427][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.340618][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.340808][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.341006][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.341203][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.341514][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.341708][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.342000][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.342192][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.342401][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.342692][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.342886][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.343080][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.343295][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.343487][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.343681][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.343876][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.344066][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.344280][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.344474][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.344671][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.344867][  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))
[   10.345055][  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))
[   10.345269][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.345465][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.345657][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.345851][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.346047][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.346260][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.346457][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.346652][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.346939][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.347166][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.347383][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.347574][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.347771][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.347974][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.348167][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.348377][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.348570][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.348862][  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)
[   10.349056][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.349364][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.349562][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.349756][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.349952][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.350151][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.350495][  T185] RIP: 0033:0x7f851061008e
[   10.350696][  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
[   10.351265][  T185] RSP: 002b:00007ffdf1638040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.351529][  T185] RAX: ffffffffffffffda RBX: 00007ffdf16387d8 RCX: 00007f851061008e
[   10.351789][  T185] RDX: 0000000000000000 RSI: 00007ffdf16380f0 RDI: 0000000000000005
[   10.352054][  T185] RBP: 00007ffdf1638050 R08: 0000000000000000 R09: 0000000000000000
[   10.352432][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.352694][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf16387b0
| [   10.364878][  T185] ------------[ cut here ]------------
| [   10.365070][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.365937][  T185] Modules linked in: veth
| [   10.366589][  T185] Tainted: [W]=WARN
[   10.366809][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.367095][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.367407][  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
[   10.368010][  T185] RSP: 0018:ffa00000007571b0 EFLAGS: 00010286
[   10.368312][  T185] RAX: 00000000ffffffa6 RBX: ff1100000b887380 RCX: 1ff40000000eadfc
[   10.368629][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b887438
[   10.368945][  T185] RBP: ff11000009d69000 R08: 1fe2200001710e88 R09: ff1100000cb20b80
[   10.369276][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.369593][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.369907][  T185] FS:  00007f85103d6840(0000) GS:ff1100009c2b0000(0000) knlGS:0000000000000000
[   10.370275][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.370559][  T185] CR2: 0000557a6dd63d30 CR3: 000000000ce2e001 CR4: 0000000000771ef0
[   10.370876][  T185] PKRU: 55555554
[   10.371090][  T185] Call Trace:
[   10.371318][  T185]  <TASK>
[   10.371497][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.371746][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.371960][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.372207][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.372527][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.372771][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.373019][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.373284][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.373533][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.373778][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.374021][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.374288][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.374539][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.374785][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.375031][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.375294][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.375540][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.375783][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.376032][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.376292][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.376538][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.376781][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.377006][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.377191][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.377401][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.377585][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.377774][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.377963][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.378149][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.378357][  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))
[   10.378545][  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))
[   10.378734][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.378921][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.379105][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.379312][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.379502][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.379691][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.379881][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.380067][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.380272][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.380489][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.380680][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.380867][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.381054][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.381271][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.381459][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.381644][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.381829][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.382017][  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)
[   10.382207][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.382415][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.382602][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.382788][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.382973][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.383161][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.383397][  T185] RIP: 0033:0x7f851061008e
[   10.383591][  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
[   10.384116][  T185] RSP: 002b:00007ffdf1638040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.384386][  T185] RAX: ffffffffffffffda RBX: 00007ffdf16387d8 RCX: 00007f851061008e
[   10.384640][  T185] RDX: 0000000000000000 RSI: 00007ffdf16380f0 RDI: 0000000000000005
[   10.384889][  T185] RBP: 00007ffdf1638050 R08: 0000000000000000 R09: 0000000000000000
[   10.385138][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.385400][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf16387b0
| [   10.532621][  T194] ------------[ cut here ]------------
| [   10.532808][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/194
| [   10.533060][  T194] Modules linked in: veth
| [   10.533522][  T194] Tainted: [W]=WARN
[   10.533628][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.533805][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.533993][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.534501][  T194] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   10.534678][  T194] RAX: 00000000ffffffa6 RBX: ff1100000279a3c0 RCX: 1ff4000000110d8c
[   10.534886][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000279a478
[   10.535093][  T194] RBP: ff110000086a4000 R08: 1fe22000004f3490 R09: ff1100000c825180
[   10.535339][  T194] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.535549][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c781580
[   10.535758][  T194] FS:  00007f26db96d840(0000) GS:ff1100009c230000(0000) knlGS:0000000000000000
[   10.535999][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.536177][  T194] CR2: 0000557a6dd6edf8 CR3: 000000000d73e004 CR4: 0000000000771ef0
[   10.536397][  T194] PKRU: 55555554
[   10.536500][  T194] Call Trace:
[   10.536603][  T194]  <TASK>
[   10.536675][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.536816][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.536920][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.537096][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[   10.537248][  T194]  ? netif_change_name (net/core/dev.c:1495)
[   10.537385][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.537523][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.537661][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.537799][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.537938][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.538079][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.538227][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.538364][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.538502][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.538641][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[   10.538781][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.538951][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.539092][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.539235][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.539389][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.539528][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.539668][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.539802][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.539940][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.540080][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.540229][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.540365][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.540502][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.540644][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.540785][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.540923][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.541058][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.541200][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.541347][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.541482][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.541623][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.541761][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.541897][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.542033][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.542170][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.542317][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.542455][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.542591][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.542729][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.542866][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.543004][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.543144][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.543291][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.543429][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.543568][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.543704][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.543842][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.543981][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.544119][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.544268][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.544408][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.544545][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.544715][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[   10.544856][  T194]  ___sys_sendmsg (net/socket.c:2752)
[   10.544992][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.545127][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.545306][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.545448][  T194]  __sys_sendmsg (net/socket.c:2784)
[   10.545587][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.545728][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.545867][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.546005][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.546141][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.546289][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.546427][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.546599][  T194] RIP: 0033:0x7f26dbba708e
[   10.546761][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.547255][  T194] RSP: 002b:00007ffccc15ec40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.547464][  T194] RAX: ffffffffffffffda RBX: 00007ffccc15f3d8 RCX: 00007f26dbba708e
[   10.547669][  T194] RDX: 0000000000000000 RSI: 00007ffccc15ecf0 RDI: 0000000000000005
[   10.547875][  T194] RBP: 00007ffccc15ec50 R08: 0000000000000000 R09: 0000000000000000
[   10.548080][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.548299][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccc15f3b0
| [   10.556182][  T194] ------------[ cut here ]------------
| [   10.556867][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/194
| [   10.557106][  T194] Modules linked in: veth
| [   10.557563][  T194] Tainted: [W]=WARN
[   10.557665][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.557894][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.558073][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.558614][  T194] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   10.558783][  T194] RAX: 00000000ffffffa6 RBX: ff1100000508cc80 RCX: 1ff4000000110dfc
[   10.558988][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000508cd38
[   10.559190][  T194] RBP: ff11000009dc9000 R08: 1fe2200000a119a8 R09: ff1100000c825180
[   10.559453][  T194] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.559654][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.559854][  T194] FS:  00007f26db96d840(0000) GS:ff1100009c230000(0000) knlGS:0000000000000000
[   10.560089][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.560318][  T194] CR2: 0000557a6dd6edf8 CR3: 000000000d73e004 CR4: 0000000000771ef0
[   10.560525][  T194] PKRU: 55555554
[   10.560626][  T194] Call Trace:
[   10.560725][  T194]  <TASK>
[   10.560795][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.560929][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.561030][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[   10.561163][  T194]  ? netif_change_name (net/core/dev.c:1495)
[   10.561360][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.561497][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.561635][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.561771][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.561907][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.562039][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.562172][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.562374][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.562514][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.562649][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.562783][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.562915][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.563045][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.563178][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.563377][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.563515][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.563648][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.563780][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.563913][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.564046][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.564180][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.564377][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.564527][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.564665][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.564798][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.564934][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.565066][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.565202][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.565505][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.565655][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.565790][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.565927][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.566062][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.566199][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.566407][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.566540][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.566704][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[   10.566840][  T194]  ___sys_sendmsg (net/socket.c:2752)
[   10.566974][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.567108][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.567313][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.567500][  T194]  __sys_sendmsg (net/socket.c:2784)
[   10.567633][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.567769][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.567902][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.568038][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.568170][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.568365][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.568502][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.568667][  T194] RIP: 0033:0x7f26dbba708e
[   10.568807][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.569335][  T194] RSP: 002b:00007ffccc15ec40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.569539][  T194] RAX: ffffffffffffffda RBX: 00007ffccc15f3d8 RCX: 00007f26dbba708e
[   10.569737][  T194] RDX: 0000000000000000 RSI: 00007ffccc15ecf0 RDI: 0000000000000005
[   10.569937][  T194] RBP: 00007ffccc15ec50 R08: 0000000000000000 R09: 0000000000000000
[   10.570137][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c629
[   10.570400][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccc15f3b0
| [   10.803049][  T211] ------------[ cut here ]------------
| [   10.803393][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [   10.803734][  T211] Modules linked in: veth
| [   10.804425][  T211] Tainted: [W]=WARN
[   10.804583][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.804808][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.805044][  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
[   10.805614][  T211] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   10.805844][  T211] RAX: 00000000ffffffa6 RBX: ff1100000d788ac0 RCX: 1ff4000000110d8c
[   10.806103][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d788b78
[   10.806376][  T211] RBP: ff1100000cbd9000 R08: 1fe2200001af1170 R09: ff110000095f2e80
[   10.806633][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.806929][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b649200
[   10.807232][  T211] FS:  00007fd12d9d7840(0000) GS:ff1100009c2b0000(0000) knlGS:0000000000000000
[   10.807545][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.807770][  T211] CR2: 0000557a6dd81970 CR3: 000000000cb76001 CR4: 0000000000771ef0
[   10.808024][  T211] PKRU: 55555554
[   10.808175][  T211] Call Trace:
[   10.808349][  T211]  <TASK>
[   10.808469][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.808658][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.808849][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.809004][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.809239][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   10.809492][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.809734][  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)
[   10.809975][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   10.810237][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.810483][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.810729][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.810985][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.811253][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.811518][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.811762][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.812006][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.812266][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.812465][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   10.812661][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.812884][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.813112][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.813339][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.813549][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.813754][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.813998][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.814263][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.814507][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.814757][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.815008][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.815267][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.815510][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.815761][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.816010][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.816204][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.816412][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.816600][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.816785][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.816972][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.817165][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.817376][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.817565][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.817753][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.817965][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.818158][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.818367][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.818552][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.818745][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.818932][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.819123][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.819336][  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))
[   10.819524][  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))
[   10.819715][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.819906][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.820094][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.820301][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.820490][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.820681][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.820871][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.821059][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.821265][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.821483][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   10.821678][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   10.821894][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.822083][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.822303][  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))
[   10.822495][  T211]  __sys_sendmsg (net/socket.c:2784)
[   10.822687][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.822878][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.823066][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.823271][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.823457][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.823645][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.823836][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.824057][  T211] RIP: 0033:0x7fd12dc1108e
[   10.824268][  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
[   10.824809][  T211] RSP: 002b:00007ffc0a484460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.825067][  T211] RAX: ffffffffffffffda RBX: 00007ffc0a484bf8 RCX: 00007fd12dc1108e
[   10.825340][  T211] RDX: 0000000000000000 RSI: 00007ffc0a484510 RDI: 0000000000000005
[   10.825597][  T211] RBP: 00007ffc0a484470 R08: 0000000000000000 R09: 0000000000000000
[   10.825854][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c62a
[   10.826104][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a484bd0
| [   10.849486][  T211] ------------[ cut here ]------------
| [   10.849684][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/211
| [   10.849926][  T211] Modules linked in: veth
| [   10.850327][  T211] Tainted: [W]=WARN
[   10.850432][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.850602][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.850785][  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
[   10.851279][  T211] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   10.851457][  T211] RAX: 00000000ffffffa6 RBX: ff1100000508ce40 RCX: 1ff4000000110dfc
[   10.851666][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000508cef8
[   10.851869][  T211] RBP: ff1100000cf9c000 R08: 1fe2200000a119e0 R09: ff110000095f2e80
[   10.852073][  T211] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.852300][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.852506][  T211] FS:  00007fd12d9d7840(0000) GS:ff1100009c230000(0000) knlGS:0000000000000000
[   10.852745][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.852918][  T211] CR2: 0000557a41fc4280 CR3: 000000000cb76004 CR4: 0000000000771ef0
[   10.853125][  T211] PKRU: 55555554
[   10.853237][  T211] Call Trace:
[   10.853342][  T211]  <TASK>
[   10.853414][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.853571][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.853704][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   10.853878][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   10.854043][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.854205][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.854383][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.854526][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.854662][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.854798][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.854936][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.855076][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.855263][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.855441][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.855621][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.855763][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.855898][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.856091][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.856287][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.856479][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.856671][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.856865][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.857060][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.857502][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.857695][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.857886][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.858079][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.858278][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.858474][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.858672][  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))
[   10.858864][  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))
[   10.859055][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.859258][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.859447][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.859640][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.859835][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.860029][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.860236][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.860429][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.860619][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.860859][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   10.861055][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   10.861253][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.861441][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.861641][  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))
[   10.861798][  T211]  __sys_sendmsg (net/socket.c:2784)
[   10.861933][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.862071][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.862207][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.862350][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.862484][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.862618][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.862755][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.862921][  T211] RIP: 0033:0x7fd12dc1108e
[   10.863062][  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
[   10.863547][  T211] RSP: 002b:00007ffc0a484460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.863751][  T211] RAX: ffffffffffffffda RBX: 00007ffc0a484bf8 RCX: 00007fd12dc1108e
[   10.863980][  T211] RDX: 0000000000000000 RSI: 00007ffc0a484510 RDI: 0000000000000005
[   10.864185][  T211] RBP: 00007ffc0a484470 R08: 0000000000000000 R09: 0000000000000000
[   10.864394][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c62a
[   10.864597][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a484bd0
| [   11.036237][  T217] ------------[ cut here ]------------
| [   11.036424][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/217
| [   11.036672][  T217] Modules linked in: veth
| [   11.037120][  T217] Tainted: [W]=WARN
[   11.037274][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.037456][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.037638][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.038131][  T217] RSP: 0018:ffa00000005b6e30 EFLAGS: 00010286
[   11.038317][  T217] RAX: 00000000ffffffa6 RBX: ff1100000a4a63c0 RCX: 1ff40000000b6d8c
[   11.038523][  T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4a6478
[   11.038727][  T217] RBP: ff11000008421000 R08: 1fe2200001494c90 R09: ff11000009edd180
[   11.038937][  T217] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.039145][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b64a380
[   11.039362][  T217] FS:  00007f1649c1c840(0000) GS:ff1100009c230000(0000) knlGS:0000000000000000
[   11.039604][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.039778][  T217] CR2: 000000000042ebe0 CR3: 0000000009f47003 CR4: 0000000000771ef0
[   11.039987][  T217] PKRU: 55555554
[   11.040089][  T217] Call Trace:
[   11.040192][  T217]  <TASK>
[   11.040272][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.040413][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.040552][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.040656][  T217]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.040796][  T217]  __dev_notify_flags (net/core/dev.c:9787)
[   11.040932][  T217]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.041070][  T217]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.041206][  T217]  ? netif_change_name (net/core/dev.c:1495)
[   11.041355][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.041491][  T217]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.041626][  T217]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.041763][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.041902][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.042040][  T217]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.042178][  T217]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.042389][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.042532][  T217]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.042674][  T217] veth_newlink (drivers/net/veth.c:1871) veth
[   11.042815][  T217]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.042984][  T217]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.043121][  T217]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.043320][  T217]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.043480][  T217]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.043622][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.043764][  T217]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.043899][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.044039][  T217]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.044176][  T217]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.044323][  T217]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.044458][  T217]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.044599][  T217]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.044741][  T217]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.044877][  T217]  ? cap_capable (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/capability.h:26 security/commoncap.c:130)
[   11.045016][  T217]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.045154][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.045299][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.045436][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.045571][  T217]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.045708][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.045849][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.045994][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.046129][  T217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.046276][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.046417][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.046564][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.046708][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.046848][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.046987][  T217]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.047124][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.047276][  T217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.047419][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.047555][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.047692][  T217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.047829][  T217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.047966][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.048102][  T217]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.048249][  T217]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.048388][  T217]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.048527][  T217]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.048663][  T217]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.048799][  T217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.048966][  T217]  ? move_addr_to_kernel (net/socket.c:258)
[   11.049107][  T217]  ___sys_sendmsg (net/socket.c:2752)
[   11.049252][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.049390][  T217]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.049533][  T217]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.049671][  T217]  __sys_sendmsg (net/socket.c:2784)
[   11.049807][  T217]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.049946][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.050081][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.050227][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.050364][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.050518][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.050656][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.050828][  T217] RIP: 0033:0x7f1649e5608e
[   11.050972][  T217] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.051472][  T217] RSP: 002b:00007fffeeb0d150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.051675][  T217] RAX: ffffffffffffffda RBX: 00007fffeeb0d8e8 RCX: 00007f1649e5608e
[   11.051877][  T217] RDX: 0000000000000000 RSI: 00007fffeeb0d200 RDI: 0000000000000005
[   11.052077][  T217] RBP: 00007fffeeb0d160 R08: 0000000000000000 R09: 0000000000000000
[   11.052289][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c62a
[   11.052489][  T217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffeeb0d8c0
| [   11.066520][  T217] ------------[ cut here ]------------
| [   11.066745][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/217
| [   11.067005][  T217] Modules linked in: veth
| [   11.067425][  T217] Tainted: [W]=WARN
[   11.067530][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.067700][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.067879][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.068379][  T217] RSP: 0018:ffa00000005b71b0 EFLAGS: 00010286
[   11.068553][  T217] RAX: 00000000ffffffa6 RBX: ff11000005cc0200 RCX: 1ff40000000b6dfc
[   11.068761][  T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005cc02b8
[   11.068961][  T217] RBP: ff11000001dd1000 R08: 1fe2200000b98058 R09: ff11000009edd180
[   11.069165][  T217] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.069373][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.069574][  T217] FS:  00007f1649c1c840(0000) GS:ff1100009c230000(0000) knlGS:0000000000000000
[   11.069807][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.069975][  T217] CR2: 000000000042ebe0 CR3: 0000000009f47003 CR4: 0000000000771ef0
[   11.070174][  T217] PKRU: 55555554
[   11.070287][  T217] Call Trace:
[   11.070387][  T217]  <TASK>
[   11.070457][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.070593][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.070694][  T217]  __dev_notify_flags (net/core/dev.c:9787)
[   11.070830][  T217]  ? netif_change_name (net/core/dev.c:1495)
[   11.070962][  T217]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.071094][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.071313][  T217]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.071472][  T217]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.071628][  T217]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.071782][  T217]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.071921][  T217]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.072064][  T217]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.072202][  T217]  ? cap_capable (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/capability.h:26 security/commoncap.c:130)
[   11.072407][  T217]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.072546][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.072683][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.072820][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.072952][  T217]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.073085][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.073291][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.073483][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.073619][  T217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.073752][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.073885][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.074020][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.074155][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.074299][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.074434][  T217]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.074567][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.074701][  T217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.074837][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.074968][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.075101][  T217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.075248][  T217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.075381][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.075517][  T217]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.075651][  T217]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.075785][  T217]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.075920][  T217]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.076055][  T217]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.076189][  T217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.076364][  T217]  ? move_addr_to_kernel (net/socket.c:258)
[   11.076500][  T217]  ___sys_sendmsg (net/socket.c:2752)
[   11.076631][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.076764][  T217]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.076905][  T217]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.077040][  T217]  __sys_sendmsg (net/socket.c:2784)
[   11.077173][  T217]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.077320][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.077456][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.077589][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.077721][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.077855][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.077988][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.078153][  T217] RIP: 0033:0x7f1649e5608e
[   11.078302][  T217] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.078774][  T217] RSP: 002b:00007fffeeb0d150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.078974][  T217] RAX: ffffffffffffffda RBX: 00007fffeeb0d8e8 RCX: 00007f1649e5608e
[   11.079174][  T217] RDX: 0000000000000000 RSI: 00007fffeeb0d200 RDI: 0000000000000005
[   11.079381][  T217] RBP: 00007fffeeb0d160 R08: 0000000000000000 R09: 0000000000000000
[   11.079578][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c62a
[   11.079777][  T217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffeeb0d8c0
| [   11.254986][  T225] ------------[ cut here ]------------
| [   11.255206][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/225
| [   11.255529][  T225] Modules linked in: veth
| [   11.256016][  T225] Tainted: [W]=WARN
[   11.256168][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.256408][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.256638][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.257172][  T225] RSP: 0018:ffa00000005d6e30 EFLAGS: 00010286
[   11.257518][  T225] RAX: 00000000ffffffa6 RBX: ff1100000508cac0 RCX: 1ff40000000bad8c
[   11.257844][  T225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000508cb78
[   11.258163][  T225] RBP: ff11000008651000 R08: 1fe2200000a11970 R09: ff1100000c6e0b80
[   11.258509][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.258760][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b9f7880
[   11.259017][  T225] FS:  00007fdaeab6f840(0000) GS:ff1100009c2b0000(0000) knlGS:0000000000000000
[   11.259326][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.259548][  T225] CR2: 000000000042ebe0 CR3: 0000000004a8a004 CR4: 0000000000771ef0
[   11.259798][  T225] PKRU: 55555554
[   11.259948][  T225] Call Trace:
[   11.260098][  T225]  <TASK>
[   11.260239][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.260430][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.260619][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.260772][  T225]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.260960][  T225]  __dev_notify_flags (net/core/dev.c:9787)
[   11.261145][  T225]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.261345][  T225]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.261532][  T225]  ? netif_change_name (net/core/dev.c:1495)
[   11.261716][  T225]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.261899][  T225]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.262084][  T225]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.262288][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.262479][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.262665][  T225]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.262853][  T225]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.263037][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.263241][  T225]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.263432][  T225] veth_newlink (drivers/net/veth.c:1871) veth
[   11.263619][  T225]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.263836][  T225]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.264022][  T225]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.264207][  T225]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.264427][  T225]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.264613][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.264803][  T225]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.264987][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.265177][  T225]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.265383][  T225]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.265570][  T225]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.265754][  T225]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.265941][  T225]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.266131][  T225]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.266340][  T225]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.266530][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.266713][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.266898][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.267080][  T225]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.267283][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.267474][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.267662][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.267846][  T225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.268032][  T225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.268235][  T225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.268419][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.268606][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.268790][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.268977][  T225]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.269160][  T225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.269364][  T225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.269551][  T225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.269732][  T225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.269920][  T225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.270104][  T225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.270330][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.270520][  T225]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.270706][  T225]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.270891][  T225]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.271078][  T225]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.271284][  T225]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.271471][  T225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.271686][  T225]  ? move_addr_to_kernel (net/socket.c:258)
[   11.271878][  T225]  ___sys_sendmsg (net/socket.c:2752)
[   11.272061][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.272263][  T225]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.272462][  T225]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.272649][  T225]  __sys_sendmsg (net/socket.c:2784)
[   11.272834][  T225]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.273024][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.273208][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.273412][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.273597][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.273780][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.273964][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.274180][  T225] RIP: 0033:0x7fdaeada908e
[   11.274385][  T225] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.274913][  T225] RSP: 002b:00007ffe3eb44fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.275165][  T225] RAX: ffffffffffffffda RBX: 00007ffe3eb45778 RCX: 00007fdaeada908e
[   11.275439][  T225] RDX: 0000000000000000 RSI: 00007ffe3eb45090 RDI: 0000000000000005
[   11.275689][  T225] RBP: 00007ffe3eb44ff0 R08: 0000000000000000 R09: 0000000000000000
[   11.275937][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c62a
[   11.276188][  T225] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3eb45750
| [   11.285901][  T225] ------------[ cut here ]------------
| [   11.286090][  T225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/225
| [   11.286484][  T225] Modules linked in: veth
| [   11.286959][  T225] Tainted: [W]=WARN
[   11.287108][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.287342][  T225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.287565][  T225] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.288088][  T225] RSP: 0018:ffa00000005d71b0 EFLAGS: 00010286
[   11.288328][  T225] RAX: 00000000ffffffa6 RBX: ff1100000b6d8200 RCX: 1ff40000000badfc
[   11.288578][  T225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b6d82b8
[   11.288828][  T225] RBP: ff11000008661000 R08: 1fe22000016db058 R09: ff1100000c6e0b80
[   11.289076][  T225] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.289341][  T225] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.289589][  T225] FS:  00007fdaeab6f840(0000) GS:ff1100009c2b0000(0000) knlGS:0000000000000000
[   11.289867][  T225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.290084][  T225] CR2: 000000000042ebe0 CR3: 0000000004a8a004 CR4: 0000000000771ef0
[   11.290350][  T225] PKRU: 55555554
[   11.290497][  T225] Call Trace:
[   11.290648][  T225]  <TASK>
[   11.290764][  T225]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.290949][  T225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.291098][  T225]  __dev_notify_flags (net/core/dev.c:9787)
[   11.291299][  T225]  ? netif_change_name (net/core/dev.c:1495)
[   11.291484][  T225]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.291668][  T225]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.291856][  T225]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.292043][  T225]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.292251][  T225]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.292432][  T225]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.292617][  T225]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.292812][  T225]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.292998][  T225]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.293187][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.293388][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.293571][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.293754][  T225]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.293937][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.294124][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.294332][  T225]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.294517][  T225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.294703][  T225]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.294885][  T225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.295070][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.295276][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.295459][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.295651][  T225]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.295837][  T225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.296020][  T225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.296208][  T225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.296409][  T225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.296592][  T225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.296776][  T225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.296958][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.297145][  T225]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.297347][  T225]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.297532][  T225]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.297718][  T225]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.297901][  T225]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.298083][  T225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.298317][  T225]  ? move_addr_to_kernel (net/socket.c:258)
[   11.298510][  T225]  ___sys_sendmsg (net/socket.c:2752)
[   11.298690][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.298873][  T225]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.299065][  T225]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.299270][  T225]  __sys_sendmsg (net/socket.c:2784)
[   11.299456][  T225]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.299644][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.299828][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.300015][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.300197][  T225]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.300401][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.300585][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.300800][  T225] RIP: 0033:0x7fdaeada908e
[   11.300989][  T225] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.301532][  T225] RSP: 002b:00007ffe3eb44fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.301909][  T225] RAX: ffffffffffffffda RBX: 00007ffe3eb45778 RCX: 00007fdaeada908e
[   11.302155][  T225] RDX: 0000000000000000 RSI: 00007ffe3eb45090 RDI: 0000000000000005
[   11.302427][  T225] RBP: 00007ffe3eb44ff0 R08: 0000000000000000 R09: 0000000000000000
[   11.302672][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c62a


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