======================================
| xx__-> [   12.092949][  T186] ------------[ cut here ]------------
| [   12.093257][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   12.093667][  T186] Modules linked in: veth
| [   12.094436][  T186] Tainted: [W]=WARN
[   12.094676][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.095031][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.095332][  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
[   12.096288][  T186] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   12.096701][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a57f8c0 RCX: 1ff4000000126d8c
[   12.097062][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a57f978
[   12.097410][  T186] RBP: ff1100000a264000 R08: 1fe22000014aff30 R09: ff1100000c948b80
[   12.097875][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.098221][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a654780
[   12.098585][  T186] FS:  00007f3b3f295840(0000) GS:ff110000a2430000(0000) knlGS:0000000000000000
[   12.098996][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.099286][  T186] CR2: 000000000042ebe0 CR3: 000000000beff006 CR4: 0000000000771ef0
[   12.099634][  T186] PKRU: 55555554
[   12.099807][  T186] Call Trace:
[   12.099980][  T186]  <TASK>
[   12.100100][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.100401][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.100652][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.100829][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.101060][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.101288][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   12.101527][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.101763][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   12.101998][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   12.102229][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   12.102461][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.102710][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.102957][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.103203][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.103434][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   12.103729][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.104024][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.104257][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.104487][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.104767][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.104996][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.105230][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.105460][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.105723][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.105957][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.106188][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.106416][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.106668][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.106912][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.107151][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.107387][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.107624][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.107859][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.108087][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.108314][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.108560][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.108798][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.109028][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.109259][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.109489][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.109732][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.109968][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.110194][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.110426][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.110670][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.110904][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.111144][  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))
[   12.111372][  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))
[   12.111616][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.111853][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.112080][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.112313][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.112659][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.112920][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.113151][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.113378][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.113626][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.113918][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   12.114153][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   12.114379][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.114621][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.114879][  T186]  __sys_sendmsg (net/socket.c:2784)
[   12.115106][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.115329][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   12.115565][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.115804][  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)
[   12.116034][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.116261][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.116498][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.116731][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.116958][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.117185][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.117467][  T186] RIP: 0033:0x7f3b3f4cf08e
[   12.117711][  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
[   12.118529][  T186] RSP: 002b:00007ffc0cf5df20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.118881][  T186] RAX: ffffffffffffffda RBX: 00007ffc0cf5e6b8 RCX: 00007f3b3f4cf08e
[   12.119219][  T186] RDX: 0000000000000000 RSI: 00007ffc0cf5dfd0 RDI: 0000000000000005
[   12.119566][  T186] RBP: 00007ffc0cf5df30 R08: 0000000000000000 R09: 0000000000000000
[   12.119915][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4c
[   12.120251][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0cf5e690
| [   12.134782][  T186] ------------[ cut here ]------------
| [   12.135054][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   12.135440][  T186] Modules linked in: veth
| [   12.136146][  T186] Tainted: [W]=WARN
[   12.136315][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.136604][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.136901][  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
[   12.137712][  T186] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   12.137992][  T186] RAX: 00000000ffffffa6 RBX: ff11000004b9d380 RCX: 1ff4000000126dfc
[   12.138323][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b9d438
[   12.138675][  T186] RBP: ff1100000a254000 R08: 1fe2200000973a88 R09: ff1100000c948b80
[   12.139010][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.139341][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.139689][  T186] FS:  00007f3b3f295840(0000) GS:ff110000a23b0000(0000) knlGS:0000000000000000
[   12.140081][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.140360][  T186] CR2: 0000560d61843d5c CR3: 000000000beff001 CR4: 0000000000771ef0
[   12.140710][  T186] PKRU: 55555554
[   12.140877][  T186] Call Trace:
[   12.141044][  T186]  <TASK>
[   12.141162][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.141391][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.141574][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   12.141804][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   12.142031][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.142252][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.142480][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.142720][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.142949][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.143173][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.143395][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.143645][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.143878][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.144103][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.144321][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.144552][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.144780][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.145004][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.145233][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.145459][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.145695][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.145921][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.146142][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.146392][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.146635][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.146860][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.147076][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.147291][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.147520][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.147872][  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))
[   12.148092][  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))
[   12.148317][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.148554][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.148785][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.149013][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.149235][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.149458][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.149701][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.149930][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.150150][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.150442][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   12.150693][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   12.150918][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.151138][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.151390][  T186]  __sys_sendmsg (net/socket.c:2784)
[   12.151629][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.151857][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   12.152080][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.152309][  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)
[   12.152541][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.152774][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.153008][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.153224][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.153447][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.153691][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.153968][  T186] RIP: 0033:0x7f3b3f4cf08e
[   12.154198][  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
[   12.155008][  T186] RSP: 002b:00007ffc0cf5df20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.155342][  T186] RAX: ffffffffffffffda RBX: 00007ffc0cf5e6b8 RCX: 00007f3b3f4cf08e
[   12.155688][  T186] RDX: 0000000000000000 RSI: 00007ffc0cf5dfd0 RDI: 0000000000000005
[   12.156022][  T186] RBP: 00007ffc0cf5df30 R08: 0000000000000000 R09: 0000000000000000
[   12.156350][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4c
[   12.156697][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0cf5e690
| [   12.371698][  T193] ------------[ cut here ]------------
| [   12.371983][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [   12.372389][  T193] Modules linked in: veth
| [   12.373067][  T193] Tainted: [W]=WARN
[   12.373243][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.373542][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.373861][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.374913][  T193] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   12.375212][  T193] RAX: 00000000ffffffa6 RBX: ff11000004b07000 RCX: 1ff4000000126d8c
[   12.375575][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b070b8
[   12.375934][  T193] RBP: ff11000008739000 R08: 1fe2200000960e18 R09: ff1100000c405180
[   12.376288][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.376650][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a15a380
[   12.377000][  T193] FS:  00007f9e79d31840(0000) GS:ff110000a2530000(0000) knlGS:0000000000000000
[   12.377404][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.377711][  T193] CR2: 000000000042ebe0 CR3: 000000000c777006 CR4: 0000000000771ef0
[   12.378060][  T193] PKRU: 55555554
[   12.378236][  T193] Call Trace:
[   12.378410][  T193]  <TASK>
[   12.378539][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.378782][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.378963][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.379254][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   12.379488][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   12.379747][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.379986][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.380214][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.380447][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.380723][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.380967][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.381197][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.381424][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.381671][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.381919][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[   12.382150][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.382459][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.382736][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.382972][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.383236][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.383468][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.383718][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.383957][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.384195][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.384431][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.384680][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.384914][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.385150][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.385393][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.385647][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.385887][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.386119][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.386537][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.386806][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.387043][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.387283][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.387525][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.387764][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.387998][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.388229][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.388502][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.388774][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.389006][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.389244][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.389483][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.389732][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.389977][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.390207][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.390759][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.391014][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.391248][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.391512][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.391758][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.392001][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.392242][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.392476][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.392727][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.393019][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   12.393282][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   12.393526][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.393766][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.394022][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.394264][  T193]  __sys_sendmsg (net/socket.c:2784)
[   12.394509][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.394759][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.394999][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.395237][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.395471][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.395719][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.395970][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.396265][  T193] RIP: 0033:0x7f9e79f6b08e
[   12.396519][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.397403][  T193] RSP: 002b:00007ffdbbb992c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.397774][  T193] RAX: ffffffffffffffda RBX: 00007ffdbbb99a58 RCX: 00007f9e79f6b08e
[   12.398127][  T193] RDX: 0000000000000000 RSI: 00007ffdbbb99370 RDI: 0000000000000005
[   12.398480][  T193] RBP: 00007ffdbbb992d0 R08: 0000000000000000 R09: 0000000000000000
[   12.398853][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4c
[   12.399228][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbbb99a30
| [   12.429877][  T193] ------------[ cut here ]------------
| [   12.430145][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [   12.430548][  T193] Modules linked in: veth
| [   12.431208][  T193] Tainted: [W]=WARN
[   12.431379][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.431690][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.431988][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.432819][  T193] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   12.433109][  T193] RAX: 00000000ffffffa6 RBX: ff1100000a0d4e40 RCX: 1ff4000000126dfc
[   12.433444][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a0d4ef8
[   12.433913][  T193] RBP: ff1100000864c000 R08: 1fe220000141a9e0 R09: ff1100000c405180
[   12.434246][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.434587][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.434933][  T193] FS:  00007f9e79d31840(0000) GS:ff110000a2530000(0000) knlGS:0000000000000000
[   12.435326][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.435623][  T193] CR2: 000000000042ebe0 CR3: 000000000c777006 CR4: 0000000000771ef0
[   12.435967][  T193] PKRU: 55555554
[   12.436151][  T193] Call Trace:
[   12.436321][  T193]  <TASK>
[   12.436439][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.436695][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.436874][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   12.437099][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   12.437322][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.437556][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.437805][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.438041][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.438270][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.438504][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.438739][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.438981][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.439215][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.439457][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.439667][    C0] clocksource: Watchdog remote CPU 3 read timed out
[   12.439988][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.440218][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.440444][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.440682][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.440934][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.441169][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.441395][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.441632][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.441866][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.442088][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.442316][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.442547][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.442781][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.443035][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.443260][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.443500][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.443729][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.443959][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.444185][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.444410][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.444664][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.444897][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.445121][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.445350][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.445586][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.445828][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.446106][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   12.446371][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   12.446606][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.446847][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.447090][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.447321][  T193]  __sys_sendmsg (net/socket.c:2784)
[   12.447555][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.447796][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.448022][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.448247][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.448466][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.448738][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.448966][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.449245][  T193] RIP: 0033:0x7f9e79f6b08e
[   12.449482][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.450298][  T193] RSP: 002b:00007ffdbbb992c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.450684][  T193] RAX: ffffffffffffffda RBX: 00007ffdbbb99a58 RCX: 00007f9e79f6b08e
[   12.451021][  T193] RDX: 0000000000000000 RSI: 00007ffdbbb99370 RDI: 0000000000000005
[   12.451368][  T193] RBP: 00007ffdbbb992d0 R08: 0000000000000000 R09: 0000000000000000
[   12.451721][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4c
[   12.452070][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbbb99a30
| [   12.820577][  T210] ------------[ cut here ]------------
| [   12.820869][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [   12.821281][  T210] Modules linked in: veth
| [   12.821960][  T210] Tainted: [W]=WARN
[   12.822141][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.822438][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.822761][  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
[   12.824108][  T210] RSP: 0018:ffa00000004e6e30 EFLAGS: 00010286
[   12.824406][  T210] RAX: 00000000ffffffa6 RBX: ff11000009020200 RCX: 1ff400000009cd8c
[   12.824777][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090202b8
[   12.825126][  T210] RBP: ff110000084b1000 R08: 1fe2200001204058 R09: ff1100000c692e80
[   12.825477][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.825885][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a657500
[   12.826233][  T210] FS:  00007f55092fa840(0000) GS:ff110000a2530000(0000) knlGS:0000000000000000
[   12.826647][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.826946][  T210] CR2: 00007f5509661f6d CR3: 000000000c0df004 CR4: 0000000000771ef0
[   12.827286][  T210] PKRU: 55555554
[   12.827454][  T210] Call Trace:
[   12.827634][  T210]  <TASK>
[   12.827751][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.827980][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.828207][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.828379][  T210]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.828622][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   12.828859][  T210]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.829090][  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)
[   12.829316][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   12.829551][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.829788][  T210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.830020][  T210]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.830246][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.830474][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.830713][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.830942][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.831178][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.831409][  T210]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.831660][  T210] veth_newlink (drivers/net/veth.c:1871) veth
[   12.831897][  T210]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.832185][  T210]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.832421][  T210]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.832671][  T210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.832943][  T210]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.833178][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.833416][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.833664][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.833906][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.834142][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.834378][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.834621][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.834856][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.835105][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.835346][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.835590][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.835833][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.836068][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.836296][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.836537][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.836789][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.837026][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.837260][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.837506][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.837750][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.837988][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.838225][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.838465][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.838722][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.838959][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.839193][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.839435][  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))
[   12.839683][  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))
[   12.839926][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.840163][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.840399][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.840652][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.840892][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.841132][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.841371][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.841614][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.841858][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.842147][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   12.842392][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   12.842637][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.842873][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.843124][  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))
[   12.843366][  T210]  __sys_sendmsg (net/socket.c:2784)
[   12.843610][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.843861][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.844097][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.844348][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.844606][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.844849][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.845080][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.845368][  T210] RIP: 0033:0x7f550953408e
[   12.845627][  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
[   12.846465][  T210] RSP: 002b:00007ffc83613160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.846834][  T210] RAX: ffffffffffffffda RBX: 00007ffc836138f8 RCX: 00007f550953408e
[   12.847180][  T210] RDX: 0000000000000000 RSI: 00007ffc83613210 RDI: 0000000000000005
[   12.847542][  T210] RBP: 00007ffc83613170 R08: 0000000000000000 R09: 0000000000000000
[   12.847904][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4d
[   12.848256][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc836138d0
| [   12.873980][  T210] ------------[ cut here ]------------
| [   12.874237][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/210
| [   12.875262][  T210] Modules linked in: veth
| [   12.875963][  T210] Tainted: [W]=WARN
[   12.876143][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.876434][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.876752][  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
[   12.877590][  T210] RSP: 0018:ffa00000004e71b0 EFLAGS: 00010286
[   12.877884][  T210] RAX: 00000000ffffffa6 RBX: ff1100000a57e200 RCX: 1ff400000009cdfc
[   12.878223][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a57e2b8
[   12.878569][  T210] RBP: ff11000008729000 R08: 1fe22000014afc58 R09: ff1100000c692e80
[   12.878923][  T210] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.879262][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.879627][  T210] FS:  00007f55092fa840(0000) GS:ff110000a23b0000(0000) knlGS:0000000000000000
[   12.880033][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.880321][  T210] CR2: 0000560d61843d5c CR3: 000000000c0df004 CR4: 0000000000771ef0
[   12.880672][  T210] PKRU: 55555554
[   12.880843][  T210] Call Trace:
[   12.881012][  T210]  <TASK>
[   12.881130][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.881360][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.881541][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   12.881785][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   12.882014][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.882237][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.882466][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.882705][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.882934][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.883156][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.883381][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.883632][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.883868][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.884095][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.884317][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.884551][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.884784][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.885011][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.885247][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.885474][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.885715][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.885939][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.886162][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.886392][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.886635][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.886860][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.887091][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.887311][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.887547][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.887791][  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))
[   12.888019][  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))
[   12.888246][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.888471][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.888711][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.888943][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.889169][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.889398][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.889639][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.889866][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.890082][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.890358][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   12.890602][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   12.890837][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.891062][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.891306][  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))
[   12.891546][  T210]  __sys_sendmsg (net/socket.c:2784)
[   12.891780][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.892017][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.892240][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.892466][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.892709][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.892936][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.893160][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.893437][  T210] RIP: 0033:0x7f550953408e
[   12.893689][  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
[   12.894499][  T210] RSP: 002b:00007ffc83613160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.894851][  T210] RAX: ffffffffffffffda RBX: 00007ffc836138f8 RCX: 00007f550953408e
[   12.895182][  T210] RDX: 0000000000000000 RSI: 00007ffc83613210 RDI: 0000000000000005
[   12.895522][  T210] RBP: 00007ffc83613170 R08: 0000000000000000 R09: 0000000000000000
[   12.895869][  T210] 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