======================================
| xx__-> [   10.436096][  T186] ------------[ cut here ]------------
| [   10.436399][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   10.436943][  T186] Modules linked in: veth
| [   10.437413][  T186] Tainted: [W]=WARN
[   10.437516][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.437828][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.438425][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.439220][  T186] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[   10.439408][  T186] RAX: 00000000ffffffa6 RBX: ff1100000aaa4740 RCX: 1ff400000011ed8c
[   10.439629][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aaa47f8
[   10.439915][  T186] RBP: ff1100000a0f1000 R08: 1fe2200001554900 R09: ff1100000c2dae80
[   10.440188][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.440407][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004ae6e00
[   10.440625][  T186] FS:  00007f568028e840(0000) GS:ff11000095c30000(0000) knlGS:0000000000000000
[   10.440975][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.441268][  T186] CR2: 0000562a4bdc1d70 CR3: 000000000df04001 CR4: 0000000000771ef0
[   10.441619][  T186] PKRU: 55555554
[   10.441887][  T186] Call Trace:
[   10.442054][  T186]  <TASK>
[   10.442160][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.442446][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.442668][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.442873][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.443034][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.443169][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.443307][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.443467][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.443629][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.443847][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.443993][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.444137][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.444278][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.444422][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.444573][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.444895][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.445161][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.445377][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.445619][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.445851][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.445999][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.446178][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.446369][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.446677][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.446890][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.447032][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.447231][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.447414][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.447557][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.447698][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.448136][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.448365][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.448549][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.448683][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.448891][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.449029][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.449165][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.449299][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.449432][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.449692][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.449896][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.450038][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.450176][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.450310][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.450441][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.450876][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.451037][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.451181][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.451361][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.451501][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.451645][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.451839][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.451978][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.452118][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.452327][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.452479][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.452628][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.453062][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.453271][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.453459][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.453741][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.453976][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.454121][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.454257][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.454409][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.454757][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.454913][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.455059][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.455207][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.455508][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.455675][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.455828][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.456062][  T186] RIP: 0033:0x7f56804c808e
[   10.456330][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.457092][  T186] RSP: 002b:00007ffec31b9e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.457327][  T186] RAX: ffffffffffffffda RBX: 00007ffec31ba5d8 RCX: 00007f56804c808e
[   10.457600][  T186] RDX: 0000000000000000 RSI: 00007ffec31b9ef0 RDI: 0000000000000005
[   10.457931][  T186] RBP: 00007ffec31b9e50 R08: 0000000000000000 R09: 0000000000000000
[   10.458236][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4c
[   10.458430][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec31ba5b0
| [   10.471538][  T186] ------------[ cut here ]------------
| [   10.471727][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   10.472028][  T186] Modules linked in: veth
| [   10.472391][  T186] Tainted: [W]=WARN
[   10.472488][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.472651][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.472977][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.473878][  T186] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[   10.474139][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a0ff8c0 RCX: 1ff400000011edfc
[   10.474438][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a0ff978
[   10.474669][  T186] RBP: ff1100000a0e9000 R08: 1fe220000141ff30 R09: ff1100000c2dae80
[   10.474971][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.475302][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.475612][  T186] FS:  00007f568028e840(0000) GS:ff11000095c30000(0000) knlGS:0000000000000000
[   10.476073][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.476328][  T186] CR2: 0000562a4bdc1d70 CR3: 000000000df04001 CR4: 0000000000771ef0
[   10.476657][  T186] PKRU: 55555554
[   10.476761][  T186] Call Trace:
[   10.476992][  T186]  <TASK>
[   10.477074][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.477204][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.477335][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.477457][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.477610][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.477744][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.477935][  T186]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4511)
[   10.478070][  T186]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   10.478266][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.478410][  T186]  ? rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.478552][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.478695][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.478870][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.479020][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.479248][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.479455][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.479641][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.479892][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.480110][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.480256][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.480458][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.480601][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.480728][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.480870][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.481027][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.481166][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.481304][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.482572][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.482718][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.482857][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.482983][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.483127][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.483256][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.483380][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.483575][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.483727][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.483870][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.484001][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.484131][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.484270][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.484425][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.484591][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.484802][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.485040][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.485170][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.485296][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.485425][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.485572][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.485701][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.485871][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.486015][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.486144][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.486271][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.486398][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.486557][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.486687][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.486854][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.486993][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.487209][  T186] RIP: 0033:0x7f56804c808e
[   10.487345][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.487896][  T186] RSP: 002b:00007ffec31b9e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.488131][  T186] RAX: ffffffffffffffda RBX: 00007ffec31ba5d8 RCX: 00007f56804c808e
[   10.488354][  T186] RDX: 0000000000000000 RSI: 00007ffec31b9ef0 RDI: 0000000000000005
[   10.488547][  T186] RBP: 00007ffec31b9e50 R08: 0000000000000000 R09: 0000000000000000
[   10.488735][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4c
[   10.488935][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec31ba5b0
| [   10.637441][  T192] ------------[ cut here ]------------
| [   10.637656][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/192
| [   10.637934][  T192] Modules linked in: veth
| [   10.638415][  T192] Tainted: [W]=WARN
[   10.638525][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.638699][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.638898][  T192] 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
[   10.640085][  T192] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[   10.640256][  T192] RAX: 00000000ffffffa6 RBX: ff1100000a370040 RCX: 1ff400000010ed8c
[   10.640455][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a3700f8
[   10.640654][  T192] RBP: ff11000005141000 R08: 1fe220000146e020 R09: ff1100000c370b80
[   10.640931][  T192] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.641135][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001ff6000
[   10.641337][  T192] FS:  00007f3e669a4840(0000) GS:ff11000095bb0000(0000) knlGS:0000000000000000
[   10.641573][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.641742][  T192] CR2: 000000000042ebe0 CR3: 000000000df2a001 CR4: 0000000000771ef0
[   10.641972][  T192] PKRU: 55555554
[   10.642092][  T192] Call Trace:
[   10.642251][  T192]  <TASK>
[   10.642340][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.642480][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.642582][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.642749][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   10.642899][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   10.643033][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.643169][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.643308][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.643448][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.643584][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.643720][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.643871][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.644005][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.644139][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.644277][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[   10.644419][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.644584][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.644719][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.644865][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.645014][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.645147][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.645288][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.645424][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.645561][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.645696][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.645844][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.645980][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.646112][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.646254][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.646391][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.646529][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.646661][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.646811][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.646945][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.647080][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.647218][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.647355][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.647495][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.647632][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.647768][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.647913][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.648049][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.648184][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.648327][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.648462][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.648601][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.648742][  T192]  ? 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))
[   10.648897][  T192]  ? 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))
[   10.649034][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.649168][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.649302][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.649440][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.649606][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.649751][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.649910][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.650056][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.650197][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.650376][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   10.650529][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   10.650671][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.650826][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.650979][  T192]  ? 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))
[   10.651132][  T192]  __sys_sendmsg (net/socket.c:2784)
[   10.651347][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.651563][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.651794][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.652007][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.652212][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.652361][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.652499][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.652666][  T192] RIP: 0033:0x7f3e66bde08e
[   10.652825][  T192] 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
[   10.653305][  T192] RSP: 002b:00007fff46597d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.653543][  T192] RAX: ffffffffffffffda RBX: 00007fff465984f8 RCX: 00007f3e66bde08e
[   10.653759][  T192] RDX: 0000000000000000 RSI: 00007fff46597e10 RDI: 0000000000000005
[   10.653991][  T192] RBP: 00007fff46597d70 R08: 0000000000000000 R09: 0000000000000000
[   10.654203][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4c
[   10.654412][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff465984d0
| [   10.663549][  T192] ------------[ cut here ]------------
| [   10.663749][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/192
| [   10.664676][  T192] Modules linked in: veth
| [   10.665231][  T192] Tainted: [W]=WARN
[   10.665394][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.665588][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.665763][  T192] 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
[   10.666295][  T192] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[   10.666457][  T192] RAX: 00000000ffffffa6 RBX: ff1100000b3dfc40 RCX: 1ff400000010edfc
[   10.666651][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3dfcf8
[   10.666908][  T192] RBP: ff1100000a264000 R08: 1fe220000167bfa0 R09: ff1100000c370b80
[   10.667118][  T192] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.667307][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.667501][  T192] FS:  00007f3e669a4840(0000) GS:ff11000095bb0000(0000) knlGS:0000000000000000
[   10.667886][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.668089][  T192] CR2: 000000000042ebe0 CR3: 000000000df2a001 CR4: 0000000000771ef0
[   10.668285][  T192] PKRU: 55555554
[   10.668382][  T192] Call Trace:
[   10.668481][  T192]  <TASK>
[   10.668553][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.668690][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.668933][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   10.669067][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   10.669197][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.669330][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.669463][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.669593][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.669726][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.669939][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.670067][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.670202][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.670334][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.670468][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.670601][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.670741][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.670973][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.671121][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.671269][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.671415][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.671563][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.671706][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.671995][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.672194][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.672399][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.672597][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.672759][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.673243][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.673397][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.673596][  T192]  ? 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))
[   10.673897][  T192]  ? 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))
[   10.674107][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.674308][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.674504][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.674699][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.674924][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.675059][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.675190][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.675317][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.675444][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.675603][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   10.675740][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   10.675936][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.676069][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.676207][  T192]  ? 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))
[   10.676337][  T192]  __sys_sendmsg (net/socket.c:2784)
[   10.676466][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.676602][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.676736][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.676935][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.677064][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.677229][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.677365][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.677532][  T192] RIP: 0033:0x7f3e66bde08e
[   10.677670][  T192] 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
[   10.678196][  T192] RSP: 002b:00007fff46597d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.678392][  T192] RAX: ffffffffffffffda RBX: 00007fff465984f8 RCX: 00007f3e66bde08e
[   10.678584][  T192] RDX: 0000000000000000 RSI: 00007fff46597e10 RDI: 0000000000000005
[   10.678845][  T192] RBP: 00007fff46597d70 R08: 0000000000000000 R09: 0000000000000000
[   10.679043][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4c
[   10.679234][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff465984d0
| [   10.896616][  T205] ------------[ cut here ]------------
| [   10.897721][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [   10.898171][  T205] Modules linked in: veth
| [   10.898624][  T205] Tainted: [W]=WARN
[   10.898737][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.899016][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.899208][  T205] 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
[   10.899859][  T205] RSP: 0018:ffa0000000516e30 EFLAGS: 00010286
[   10.900043][  T205] RAX: 00000000ffffffa6 RBX: ff1100000dc7ba80 RCX: 1ff40000000a2d8c
[   10.900335][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dc7bb38
[   10.900674][  T205] RBP: ff110000056c1000 R08: 1fe2200001b8f768 R09: ff1100000c3d5180
[   10.901140][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.901446][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004d14400
[   10.901767][  T205] FS:  00007f6573d06840(0000) GS:ff11000095bb0000(0000) knlGS:0000000000000000
[   10.902139][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.902323][  T205] CR2: 0000559c2ee7a578 CR3: 000000000d190004 CR4: 0000000000771ef0
[   10.902540][  T205] PKRU: 55555554
[   10.902647][  T205] Call Trace:
[   10.902754][  T205]  <TASK>
[   10.902947][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.903093][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.903237][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.903345][  T205]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.903491][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[   10.903632][  T205]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.903867][  T205]  ? 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)
[   10.904010][  T205]  ? netif_change_name (net/core/dev.c:1495)
[   10.904150][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.904291][  T205]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.904434][  T205]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.904586][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.904731][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.904961][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.905105][  T205]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.905246][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.905415][  T205]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.905627][  T205] veth_newlink (drivers/net/veth.c:1871) veth
[   10.905869][  T205]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.906181][  T205]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.906373][  T205]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.906512][  T205]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.906664][  T205]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.906816][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.906972][  T205]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.907103][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.907235][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.907367][  T205]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.907501][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.907714][  T205]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.907916][  T205]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.908130][  T205]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.908330][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.908518][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.908725][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.908906][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.909108][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.909254][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.909411][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.909561][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.909729][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.909896][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.910046][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.910199][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.910351][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.910502][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.910668][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.910842][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.911004][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.911184][  T205]  ? 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))
[   10.911400][  T205]  ? 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))
[   10.911541][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.911678][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.911827][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.911964][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.912111][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.912276][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.912416][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.912553][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.912684][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.912857][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[   10.912998][  T205]  ___sys_sendmsg (net/socket.c:2752)
[   10.913133][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.913269][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.913422][  T205]  ? 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))
[   10.913563][  T205]  __sys_sendmsg (net/socket.c:2784)
[   10.913761][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.913936][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.914096][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.914233][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.914367][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.914548][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.914702][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.914893][  T205] RIP: 0033:0x7f6573f4008e
[   10.915049][  T205] 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
[   10.915548][  T205] RSP: 002b:00007ffdb9731490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.915783][  T205] RAX: ffffffffffffffda RBX: 00007ffdb9731c28 RCX: 00007f6573f4008e
[   10.915993][  T205] RDX: 0000000000000000 RSI: 00007ffdb9731540 RDI: 0000000000000005
[   10.916275][  T205] RBP: 00007ffdb97314a0 R08: 0000000000000000 R09: 0000000000000000
[   10.916502][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4d
[   10.916717][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb9731c00
| [   10.933632][  T205] ------------[ cut here ]------------
| [   10.934100][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [   10.934506][  T205] Modules linked in: veth
| [   10.934966][  T205] Tainted: [W]=WARN
[   10.935124][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.935372][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.935652][  T205] 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
[   10.936373][  T205] RSP: 0018:ffa00000005171b0 EFLAGS: 00010286
[   10.936545][  T205] RAX: 00000000ffffffa6 RBX: ff110000092da200 RCX: 1ff40000000a2dfc
[   10.936799][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092da2b8
[   10.937089][  T205] RBP: ff110000089b1000 R08: 1fe220000125b458 R09: ff1100000c3d5180
[   10.937379][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.937674][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.938004][  T205] FS:  00007f6573d06840(0000) GS:ff11000095bb0000(0000) knlGS:0000000000000000
[   10.938241][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.938415][  T205] CR2: 0000559c2ee7a578 CR3: 000000000d190004 CR4: 0000000000771ef0
[   10.938615][  T205] PKRU: 55555554
[   10.938718][  T205] Call Trace:
[   10.938854][  T205]  <TASK>
[   10.938930][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.939069][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.939171][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[   10.939313][  T205]  ? netif_change_name (net/core/dev.c:1495)
[   10.939446][  T205]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.939593][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.939730][  T205]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.939906][  T205]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.940080][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.940231][  T205]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.941112][  T205]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.941326][  T205]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.941497][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.941658][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.941812][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.941941][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.942083][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.942234][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.942365][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.942525][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.942657][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.942811][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.942943][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.943072][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.943203][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.943332][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.943464][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.943607][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.943741][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.943885][  T205]  ? 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))
[   10.944017][  T205]  ? 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))
[   10.944172][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.944304][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.944444][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.944579][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.944712][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.944851][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.945417][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.945551][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.945680][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.945886][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[   10.946054][  T205]  ___sys_sendmsg (net/socket.c:2752)
[   10.946195][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.946339][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.946485][  T205]  ? 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))
[   10.946677][  T205]  __sys_sendmsg (net/socket.c:2784)
[   10.946846][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.946978][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.947110][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.947266][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.947455][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.947587][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.947719][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.947895][  T205] RIP: 0033:0x7f6573f4008e
[   10.948035][  T205] 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
[   10.948533][  T205] RSP: 002b:00007ffdb9731490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.948749][  T205] RAX: ffffffffffffffda RBX: 00007ffdb9731c28 RCX: 00007f6573f4008e
[   10.948968][  T205] RDX: 0000000000000000 RSI: 00007ffdb9731540 RDI: 0000000000000005
[   10.949180][  T205] RBP: 00007ffdb97314a0 R08: 0000000000000000 R09: 0000000000000000
[   10.949496][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4d


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