======================================
| xx__-> [   10.430741][  T185] ------------[ cut here ]------------
| [   10.431239][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.431775][  T185] Modules linked in: veth
| [   10.432646][  T185] Tainted: [W]=WARN
[   10.432866][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.433255][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.433635][  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
[   10.434444][  T185] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[   10.434755][  T185] RAX: 00000000ffffffa6 RBX: ff11000009a4da80 RCX: 1ff4000000118d8c
[   10.435152][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a4db38
[   10.435516][  T185] RBP: ff1100000749c000 R08: 1fe2200001349b68 R09: ff1100000bf92e80
[   10.435867][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.436242][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005c08b00
[   10.436602][  T185] FS:  00007f0ab33f4840(0000) GS:ff11000091eb0000(0000) knlGS:0000000000000000
[   10.437028][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.437339][  T185] CR2: 0000562067416d30 CR3: 000000000e49f005 CR4: 0000000000771ef0
[   10.437705][  T185] PKRU: 55555554
[   10.437917][  T185] Call Trace:
[   10.438146][  T185]  <TASK>
[   10.438304][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.438629][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.438895][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.439157][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.439413][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.439678][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.439953][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.440222][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.440486][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.440768][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.441053][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.441327][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.441604][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.441871][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.442158][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   10.442420][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.442733][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.443019][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.443270][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.443557][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.443822][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.444114][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.444421][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.444704][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.445019][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.445305][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.445581][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.445855][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.446176][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.446508][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.446785][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.447081][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.447356][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.447663][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.447954][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.448249][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.448526][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.448805][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.449106][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.449379][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.449650][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.449931][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.450229][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.450506][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.450782][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.451086][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.451368][  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))
[   10.451635][  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))
[   10.451911][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.452244][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.452522][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.452796][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.453109][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.453387][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.453665][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.453969][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.454250][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.454597][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.454884][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.455207][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.455479][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.455775][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.456071][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.456562][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.456834][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.457140][  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)
[   10.457419][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.457692][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.458014][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.458289][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.458561][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.458849][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.459837][  T185] RIP: 0033:0x7f0ab362e08e
[   10.460154][  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
[   10.461025][  T185] RSP: 002b:00007fffcab491e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.461413][  T185] RAX: ffffffffffffffda RBX: 00007fffcab49978 RCX: 00007f0ab362e08e
[   10.461794][  T185] RDX: 0000000000000000 RSI: 00007fffcab49290 RDI: 0000000000000005
[   10.462201][  T185] RBP: 00007fffcab491f0 R08: 0000000000000000 R09: 0000000000000000
[   10.462574][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce2e
[   10.462999][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcab49950
| [   10.477082][  T185] ------------[ cut here ]------------
| [   10.477320][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.477604][  T185] Modules linked in: veth
| [   10.478109][  T185] Tainted: [W]=WARN
[   10.478280][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.478504][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.478811][  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
[   10.479685][  T185] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[   10.479977][  T185] RAX: 00000000ffffffa6 RBX: ff1100000a3fb8c0 RCX: 1ff4000000118dfc
[   10.480233][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a3fb978
[   10.480484][  T185] RBP: ff1100000a02c000 R08: 1fe220000147f730 R09: ff1100000bf92e80
[   10.480732][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.481023][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.481273][  T185] FS:  00007f0ab33f4840(0000) GS:ff11000091eb0000(0000) knlGS:0000000000000000
[   10.481552][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.481770][  T185] CR2: 0000562067416d30 CR3: 000000000e49f005 CR4: 0000000000771ef0
[   10.482082][  T185] PKRU: 55555554
[   10.482259][  T185] Call Trace:
[   10.482434][  T185]  <TASK>
[   10.482590][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.482850][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.483052][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.483292][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.483502][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.483716][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.483987][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.484238][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.484423][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.484638][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.484853][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.485105][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.485380][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.485642][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.485900][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.486140][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.486322][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.486505][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.486695][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.486878][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.487084][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.487264][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.487462][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.487647][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.487836][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.488050][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.488237][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.488418][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.488602][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.488788][  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))
[   10.488998][  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))
[   10.489183][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.489365][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.489537][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.489762][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.489983][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.490195][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.490462][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.490684][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.490894][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.491170][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.491440][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.491703][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.491985][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.492284][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.492537][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.492722][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.492952][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.493177][  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)
[   10.493391][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.493647][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.493898][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.494214][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.494473][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.494667][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.494886][  T185] RIP: 0033:0x7f0ab362e08e
[   10.495100][  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
[   10.495610][  T185] RSP: 002b:00007fffcab491e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.495865][  T185] RAX: ffffffffffffffda RBX: 00007fffcab49978 RCX: 00007f0ab362e08e
[   10.496146][  T185] RDX: 0000000000000000 RSI: 00007fffcab49290 RDI: 0000000000000005
[   10.496390][  T185] RBP: 00007fffcab491f0 R08: 0000000000000000 R09: 0000000000000000
[   10.496645][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce2e
[   10.496903][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcab49950
| [   10.672793][  T196] ------------[ cut here ]------------
| [   10.673019][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/196
| [   10.673347][  T196] Modules linked in: veth
| [   10.673777][  T196] Tainted: [W]=WARN
[   10.673884][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.674093][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.674296][  T196] 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
[   10.674815][  T196] RSP: 0018:ffa0000000566e30 EFLAGS: 00010286
[   10.675016][  T196] RAX: 00000000ffffffa6 RBX: ff1100000bff43c0 RCX: 1ff40000000acd8c
[   10.675229][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bff4478
[   10.675453][  T196] RBP: ff11000005781000 R08: 1fe22000017fe890 R09: ff1100000cde2e80
[   10.675724][  T196] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.675971][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d09200
[   10.676188][  T196] FS:  00007fe5f584b840(0000) GS:ff11000091db0000(0000) knlGS:0000000000000000
[   10.676444][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.676625][  T196] CR2: 00005620672d4008 CR3: 000000000af0b001 CR4: 0000000000771ef0
[   10.676836][  T196] PKRU: 55555554
[   10.676950][  T196] Call Trace:
[   10.677063][  T196]  <TASK>
[   10.677138][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.677292][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.677403][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.677590][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.677737][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.677882][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.678104][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.678255][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.678425][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.678567][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.678716][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.678869][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.679140][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.679355][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.679523][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   10.679681][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.679873][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.680157][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.680327][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.680515][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.680697][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.680917][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.681194][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.681350][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.681508][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.681671][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.681825][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.682085][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.682244][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.682392][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.682533][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.682669][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.682819][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.683069][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.683229][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.683402][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.683606][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.683793][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.684055][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.684206][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.684358][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.684507][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.684653][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.684802][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.685050][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.685265][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.685427][  T196]  ? 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))
[   10.685566][  T196]  ? 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))
[   10.685706][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.685848][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.686198][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.686348][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.686519][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.686666][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.686822][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.687089][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.687240][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.687423][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.687579][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.687729][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.687879][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.688180][  T196]  ? 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))
[   10.688359][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.688518][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.688684][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.688840][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.689009][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.689160][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.689310][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.689460][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.689650][  T196] RIP: 0033:0x7fe5f5a8508e
[   10.689807][  T196] 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
[   10.690352][  T196] RSP: 002b:00007ffdcb0d3b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.690580][  T196] RAX: ffffffffffffffda RBX: 00007ffdcb0d42a8 RCX: 00007fe5f5a8508e
[   10.690798][  T196] RDX: 0000000000000000 RSI: 00007ffdcb0d3bc0 RDI: 0000000000000005
[   10.691049][  T196] RBP: 00007ffdcb0d3b20 R08: 0000000000000000 R09: 0000000000000000
[   10.691269][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce2e
[   10.691531][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcb0d4280
| [   10.700812][  T196] ------------[ cut here ]------------
| [   10.701123][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/196
| [   10.701438][  T196] Modules linked in: veth
| [   10.701839][  T196] Tainted: [W]=WARN
[   10.702014][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.702183][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.702359][  T196] 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
[   10.702898][  T196] RSP: 0018:ffa00000005671b0 EFLAGS: 00010286
[   10.703131][  T196] RAX: 00000000ffffffa6 RBX: ff11000004cdb540 RCX: 1ff40000000acdfc
[   10.703329][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004cdb5f8
[   10.703526][  T196] RBP: ff11000009ac1000 R08: 1fe220000099b6c0 R09: ff1100000cde2e80
[   10.703724][  T196] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.703924][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.704191][  T196] FS:  00007fe5f584b840(0000) GS:ff11000091db0000(0000) knlGS:0000000000000000
[   10.704422][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.704593][  T196] CR2: 00005620672d4008 CR3: 000000000af0b001 CR4: 0000000000771ef0
[   10.704792][  T196] PKRU: 55555554
[   10.704892][  T196] Call Trace:
[   10.705057][  T196]  <TASK>
[   10.705129][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.705267][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.705397][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   10.705533][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   10.705666][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.705800][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.706003][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.706162][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.706297][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.706429][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.706567][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.706706][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.706844][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.707048][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.707230][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.707385][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.707573][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.707775][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.708113][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.708320][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.708524][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.708702][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.708857][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.709102][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.709310][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.709445][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.709578][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.709714][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.709848][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.710054][  T196]  ? 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))
[   10.710212][  T196]  ? 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))
[   10.710349][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.710484][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.710621][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.710784][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.711012][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.711170][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.711368][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.711523][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.711678][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.711920][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   10.712242][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   10.712450][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.712654][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.712811][  T196]  ? 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))
[   10.713027][  T196]  __sys_sendmsg (net/socket.c:2784)
[   10.713163][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.713303][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.713436][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.713571][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.713748][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.714076][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.714240][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.714445][  T196] RIP: 0033:0x7fe5f5a8508e
[   10.714616][  T196] 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
[   10.715495][  T196] RSP: 002b:00007ffdcb0d3b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.715794][  T196] RAX: ffffffffffffffda RBX: 00007ffdcb0d42a8 RCX: 00007fe5f5a8508e
[   10.716091][  T196] RDX: 0000000000000000 RSI: 00007ffdcb0d3bc0 RDI: 0000000000000005
[   10.716303][  T196] RBP: 00007ffdcb0d3b20 R08: 0000000000000000 R09: 0000000000000000
[   10.716515][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce2e
[   10.716721][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcb0d4280
| [   11.012532][  T210] ------------[ cut here ]------------
| [   11.012779][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [   11.013099][  T210] Modules linked in: veth
| [   11.013614][  T210] Tainted: [W]=WARN
[   11.013769][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.014024][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.014268][  T210] 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
[   11.014804][  T210] RSP: 0018:ffa00000005f6e30 EFLAGS: 00010286
[   11.015054][  T210] RAX: 00000000ffffffa6 RBX: ff1100000bd4a3c0 RCX: 1ff40000000bed8c
[   11.015315][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd4a478
[   11.015573][  T210] RBP: ff1100000c6d4000 R08: 1fe22000017a9490 R09: ff1100000c1f8b80
[   11.015832][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.016249][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d09c80
[   11.016595][  T210] FS:  00007fe3c43fb840(0000) GS:ff11000091eb0000(0000) knlGS:0000000000000000
[   11.016932][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.017216][  T210] CR2: 000000000042ebe0 CR3: 000000000c052006 CR4: 0000000000771ef0
[   11.017508][  T210] PKRU: 55555554
[   11.017689][  T210] Call Trace:
[   11.017867][  T210]  <TASK>
[   11.018032][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.018266][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.018489][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.018670][  T210]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.018886][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   11.019135][  T210]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.019355][  T210]  ? 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)
[   11.019584][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   11.019842][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.020101][  T210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.020307][  T210]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.020494][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.020683][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.020874][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.021084][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.021268][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.021455][  T210]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.021658][  T210] veth_newlink (drivers/net/veth.c:1871) veth
[   11.021848][  T210]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.022095][  T210]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.022284][  T210]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.022466][  T210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.022668][  T210]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.022858][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.023081][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.023312][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.023572][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.023837][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.024118][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.024308][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.024578][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.024842][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.025131][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.025393][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.025588][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.025776][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.025973][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.026165][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.026356][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.026541][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.026725][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.026912][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.027304][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.027488][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.027673][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.027857][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.028064][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.028289][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.028515][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.028775][  T210]  ? 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))
[   11.029059][  T210]  ? 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))
[   11.029328][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.029539][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.029758][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.029991][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.030239][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.030484][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.030738][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.030929][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.031173][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.031423][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   11.031645][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   11.031857][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.032094][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.032320][  T210]  ? 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))
[   11.032543][  T210]  __sys_sendmsg (net/socket.c:2784)
[   11.032759][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.033032][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.033282][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.033528][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.033714][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.033901][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.034114][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.034333][  T210] RIP: 0033:0x7fe3c463508e
[   11.034565][  T210] 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
[   11.035265][  T210] RSP: 002b:00007ffd3352ab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.035556][  T210] RAX: ffffffffffffffda RBX: 00007ffd3352b2d8 RCX: 00007fe3c463508e
[   11.035874][  T210] RDX: 0000000000000000 RSI: 00007ffd3352abf0 RDI: 0000000000000005
[   11.036187][  T210] RBP: 00007ffd3352ab50 R08: 0000000000000000 R09: 0000000000000000
[   11.036475][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce2f
[   11.036770][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3352b2b0
| [   11.047463][  T210] ------------[ cut here ]------------
| [   11.047721][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [   11.048192][  T210] Modules linked in: veth
| [   11.048749][  T210] Tainted: [W]=WARN
[   11.048928][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.049228][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.049523][  T210] 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
[   11.050092][  T210] RSP: 0018:ffa00000005f71b0 EFLAGS: 00010286
[   11.050353][  T210] RAX: 00000000ffffffa6 RBX: ff1100000bd45380 RCX: 1ff40000000bedfc
[   11.050641][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd45438
[   11.050927][  T210] RBP: ff1100000c6d1000 R08: 1fe22000017a8a88 R09: ff1100000c1f8b80
[   11.051233][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.051571][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.051927][  T210] FS:  00007fe3c43fb840(0000) GS:ff11000091eb0000(0000) knlGS:0000000000000000
[   11.052357][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.052650][  T210] CR2: 000000000042ebe0 CR3: 000000000c052006 CR4: 0000000000771ef0
[   11.052922][  T210] PKRU: 55555554
[   11.053118][  T210] Call Trace:
[   11.053297][  T210]  <TASK>
[   11.053440][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.053659][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.053841][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   11.054109][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   11.054324][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.054538][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.054754][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.055031][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.055233][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.055414][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.055592][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.055781][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.056028][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.056260][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.056508][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.056689][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.056870][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.057089][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.057313][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.057529][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.057745][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.057976][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.058199][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.058447][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.058663][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.058877][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.059150][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.059339][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.059560][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.059784][  T210]  ? 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))
[   11.060018][  T210]  ? 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))
[   11.060237][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.060460][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.060690][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.060951][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.061146][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.061328][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.061525][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.061720][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.061949][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.062205][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   11.062440][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   11.062657][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.062894][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.063118][  T210]  ? 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))
[   11.063339][  T210]  __sys_sendmsg (net/socket.c:2784)
[   11.063555][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.063775][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.064018][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.064233][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.064474][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.064693][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.064877][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.065155][  T210] RIP: 0033:0x7fe3c463508e
[   11.065381][  T210] 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
[   11.066022][  T210] RSP: 002b:00007ffd3352ab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.066309][  T210] RAX: ffffffffffffffda RBX: 00007ffd3352b2d8 RCX: 00007fe3c463508e
[   11.066640][  T210] RDX: 0000000000000000 RSI: 00007ffd3352abf0 RDI: 0000000000000005
[   11.066897][  T210] RBP: 00007ffd3352ab50 R08: 0000000000000000 R09: 0000000000000000
[   11.067201][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce2f


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