======================================
| xx__-> [   10.621484][  T185] ------------[ cut here ]------------
| [   10.622343][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.623292][  T185] Modules linked in: veth
| [   10.623987][  T185] Tainted: [W]=WARN
[   10.624159][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.624424][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.624749][  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
[   10.625318][  T185] RSP: 0018:ffa0000000906e30 EFLAGS: 00010286
[   10.625566][  T185] RAX: 00000000ffffffa6 RBX: ff1100000951d8c0 RCX: 1ff4000000120d8c
[   10.625852][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000951d978
[   10.626123][  T185] RBP: ff1100000a09c000 R08: 1fe22000012a3b30 R09: ff1100000bd88b80
[   10.626392][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.626683][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005597c00
[   10.626957][  T185] FS:  00007fb4cd0d0840(0000) GS:ff1100008c2b0000(0000) knlGS:0000000000000000
[   10.627264][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.627564][  T185] CR2: 0000559092c8ed50 CR3: 000000000c2d7006 CR4: 0000000000771ef0
[   10.627849][  T185] PKRU: 55555554
[   10.628012][  T185] Call Trace:
[   10.628175][  T185]  <TASK>
[   10.628305][  T185]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   10.628516][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.628734][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.628898][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.629101][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.629303][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.629542][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.629755][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.629955][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.630153][  T185]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   10.630386][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.630602][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.630819][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   10.631022][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.631256][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.631465][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.631680][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.631899][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.632100][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.632313][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.632521][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.632737][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.632937][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.633141][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.633340][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.633547][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.633764][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.633970][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.634173][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.634373][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.634597][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.634838][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.635037][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.635241][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.635449][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.635662][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.635858][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.636055][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.636252][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.636464][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.636678][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.636902][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.637102][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.637305][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.637533][  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))
[   10.637764][  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))
[   10.637971][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.638174][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.638373][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.638579][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.638794][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.638999][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.639203][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.639403][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.639616][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.639861][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.640068][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.640265][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.640470][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.640697][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.640898][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.641099][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.641297][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.641506][  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)
[   10.641719][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.641919][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.642118][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.642317][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.642527][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.642741][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.642975][  T185] RIP: 0033:0x7fb4cd30a08e
[   10.643180][  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
[   10.643772][  T185] RSP: 002b:00007ffea0e0a970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.644045][  T185] RAX: ffffffffffffffda RBX: 00007ffea0e0b108 RCX: 00007fb4cd30a08e
[   10.644316][  T185] RDX: 0000000000000000 RSI: 00007ffea0e0aa20 RDI: 0000000000000005
[   10.644594][  T185] RBP: 00007ffea0e0a980 R08: 0000000000000000 R09: 0000000000000000
[   10.644874][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe7
[   10.645149][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea0e0b0e0
| [   10.663644][  T185] ------------[ cut here ]------------
| [   10.663899][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.664208][  T185] Modules linked in: veth
| [   10.664792][  T185] Tainted: [W]=WARN
[   10.664952][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.665194][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.665443][  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
[   10.666075][  T185] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286
[   10.666431][  T185] RAX: 00000000ffffffa6 RBX: ff11000008cd6c80 RCX: 1ff4000000120dfc
[   10.666813][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008cd6d38
[   10.667150][  T185] RBP: ff1100000a0bc000 R08: 1fe220000119ada8 R09: ff1100000bd88b80
[   10.667426][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.667711][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.667975][  T185] FS:  00007fb4cd0d0840(0000) GS:ff1100008c2b0000(0000) knlGS:0000000000000000
[   10.668272][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.668513][  T185] CR2: 0000559092c8ed50 CR3: 000000000c2d7006 CR4: 0000000000771ef0
[   10.668857][  T185] PKRU: 55555554
[   10.669013][  T185] Call Trace:
[   10.669174][  T185]  <TASK>
[   10.669298][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.669513][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.669688][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.669890][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.670083][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.670301][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.670552][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.670759][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.670956][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.671147][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.671344][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.671552][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.671764][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.671960][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.672152][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.672345][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.672548][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.672754][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.672951][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.673148][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.673379][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.673587][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.673794][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.673986][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.674180][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.674372][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.674574][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.674785][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.674982][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.675179][  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))
[   10.675368][  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))
[   10.675577][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.675788][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.675982][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.676175][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.676368][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.676572][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.676784][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.676979][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.677171][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.677399][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.677644][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.677838][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.678033][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.678239][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.678440][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.678647][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.678845][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.679041][  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)
[   10.679237][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.679463][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.679675][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.679871][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.680066][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.680265][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.680500][  T185] RIP: 0033:0x7fb4cd30a08e
[   10.680720][  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
[   10.681270][  T185] RSP: 002b:00007ffea0e0a970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.681546][  T185] RAX: ffffffffffffffda RBX: 00007ffea0e0b108 RCX: 00007fb4cd30a08e
[   10.681826][  T185] RDX: 0000000000000000 RSI: 00007ffea0e0aa20 RDI: 0000000000000005
[   10.682087][  T185] RBP: 00007ffea0e0a980 R08: 0000000000000000 R09: 0000000000000000
[   10.682362][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe7
[   10.682671][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea0e0b0e0
| [   10.845590][  T191] ------------[ cut here ]------------
| [   10.845878][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [   10.846276][  T191] Modules linked in: veth
| [   10.846956][  T191] Tainted: [W]=WARN
[   10.847154][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.847471][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.847787][  T191] 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
[   10.848645][  T191] RSP: 0018:ffa0000000546e30 EFLAGS: 00010286
[   10.848960][  T191] RAX: 00000000ffffffa6 RBX: ff110000026f5a80 RCX: 1ff40000000a8d8c
[   10.849315][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026f5b38
[   10.849672][  T191] RBP: ff11000008749000 R08: 1fe22000004deb68 R09: ff1100000bf48b80
[   10.850030][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.850380][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001f20400
[   10.850746][  T191] FS:  00007f5f3dd17840(0000) GS:ff1100008c330000(0000) knlGS:0000000000000000
[   10.851149][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.851460][  T191] CR2: 000000000042ebe0 CR3: 000000000b79f005 CR4: 0000000000771ef0
[   10.851814][  T191] PKRU: 55555554
[   10.851991][  T191] Call Trace:
[   10.852166][  T191]  <TASK>
[   10.852287][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.852530][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.852715][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.853006][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.853239][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.853476][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.853713][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.853944][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.854180][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.854412][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.854654][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.854884][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.855110][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.855350][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.855586][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[   10.855830][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.856112][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.856338][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.856571][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.856842][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.857060][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.857288][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.857519][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.857756][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.858018][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.858250][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.858499][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.858733][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.858974][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.859213][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.859469][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.859704][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.859934][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.860161][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.860387][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.860624][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.860859][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.861088][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.861317][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.861560][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.861791][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.862035][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.862256][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.862489][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.862727][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.862955][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.863187][  T191]  ? 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))
[   10.863410][  T191]  ? 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))
[   10.863649][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.863878][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.864106][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.864340][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.864572][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.864806][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.865038][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.865267][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.865514][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.865802][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.866038][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.866257][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.866489][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.866746][  T191]  ? 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))
[   10.866978][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.867203][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.867441][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.867681][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.867909][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.868134][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.868359][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.868593][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.868881][  T191] RIP: 0033:0x7f5f3df5108e
[   10.869124][  T191] 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
[   10.869939][  T191] RSP: 002b:00007fffeea6bf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.870283][  T191] RAX: ffffffffffffffda RBX: 00007fffeea6c6e8 RCX: 00007f5f3df5108e
[   10.870654][  T191] RDX: 0000000000000000 RSI: 00007fffeea6c000 RDI: 0000000000000005
[   10.871022][  T191] RBP: 00007fffeea6bf60 R08: 0000000000000000 R09: 0000000000000000
[   10.871365][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe8
[   10.871725][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffeea6c6c0
| [   10.900988][  T191] ------------[ cut here ]------------
| [   10.901277][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [   10.901692][  T191] Modules linked in: veth
| [   10.902353][  T191] Tainted: [W]=WARN
[   10.902537][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.902937][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.903242][  T191] 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
[   10.904239][  T191] RSP: 0018:ffa00000005471b0 EFLAGS: 00010286
[   10.904708][  T191] RAX: 00000000ffffffa6 RBX: ff11000005b6aac0 RCX: 1ff40000000a8dfc
[   10.905062][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005b6ab78
[   10.905421][  T191] RBP: ff11000009bc1000 R08: 1fe2200000b6d570 R09: ff1100000bf48b80
[   10.905949][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.906284][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.906773][  T191] FS:  00007f5f3dd17840(0000) GS:ff1100008c330000(0000) knlGS:0000000000000000
[   10.907173][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.907462][  T191] CR2: 000000000042ebe0 CR3: 000000000b79f005 CR4: 0000000000771ef0
[   10.907838][  T191] PKRU: 55555554
[   10.908009][  T191] Call Trace:
[   10.908183][  T191]  <TASK>
[   10.908303][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.908554][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.908744][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.908973][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.909203][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.909445][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.909695][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.909937][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.910166][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.910394][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.910646][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.910883][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.911118][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.911347][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.911581][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.911814][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.912037][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.912260][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.912519][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.912763][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.912985][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.913203][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.913422][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.913645][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.913871][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.914097][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.914324][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.914547][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.914777][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.915010][  T191]  ? 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))
[   10.915237][  T191]  ? 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))
[   10.915475][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.915713][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.915937][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.916162][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.916390][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.916625][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.916859][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.917082][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.917303][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.917964][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.918201][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.918428][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.918656][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.918895][  T191]  ? 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))
[   10.919137][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.919357][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.919597][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.919840][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.920069][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.920296][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.920528][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.920764][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.921046][  T191] RIP: 0033:0x7f5f3df5108e
[   10.921279][  T191] 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
[   10.922097][  T191] RSP: 002b:00007fffeea6bf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.922441][  T191] RAX: ffffffffffffffda RBX: 00007fffeea6c6e8 RCX: 00007f5f3df5108e
[   10.922787][  T191] RDX: 0000000000000000 RSI: 00007fffeea6c000 RDI: 0000000000000005
[   10.923133][  T191] RBP: 00007fffeea6bf60 R08: 0000000000000000 R09: 0000000000000000
[   10.923487][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe8
[   10.923832][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffeea6c6c0
| [   11.236526][  T211] ------------[ cut here ]------------
| [   11.236729][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   11.236993][  T211] Modules linked in: veth
| [   11.237424][  T211] Tainted: [W]=WARN
[   11.237537][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.237737][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.237929][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.238498][  T211] RSP: 0018:ffa0000000506e30 EFLAGS: 00010286
[   11.238697][  T211] RAX: 00000000ffffffa6 RBX: ff110000026f4580 RCX: 1ff40000000a0d8c
[   11.238930][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026f4638
[   11.239152][  T211] RBP: ff1100000c6dc000 R08: 1fe22000004de8c8 R09: ff1100000c71ae80
[   11.239379][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.239603][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c409200
[   11.239830][  T211] FS:  00007f3c74672840(0000) GS:ff1100008c330000(0000) knlGS:0000000000000000
[   11.240095][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.240290][  T211] CR2: 000000000042ebe0 CR3: 0000000005de7005 CR4: 0000000000771ef0
[   11.240517][  T211] PKRU: 55555554
[   11.240635][  T211] Call Trace:
[   11.240751][  T211]  <TASK>
[   11.240837][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.241004][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.241162][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.241281][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.241446][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.241598][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.241752][  T211]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.241910][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.242085][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.242234][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.242386][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.242556][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.242999][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.243149][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.243302][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.243516][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.243681][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.243839][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   11.243992][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.244177][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.244322][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.244491][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.244662][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.244810][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.244966][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.245115][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.245266][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.245519][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.245674][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.245820][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.245969][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.246121][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.246283][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.246437][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.246601][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.246754][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.246900][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.247047][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.247208][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.247370][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.247521][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.247670][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.247821][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.247965][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.248115][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.248263][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.248410][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.248560][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.248712][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.248875][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.249021][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.249173][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.249322][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.249473][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.249622][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.249773][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.249923][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.250084][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.250239][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.250399][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.250588][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.250744][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.250889][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.251037][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.251192][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.251341][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.251494][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.251647][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.251806][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.251967][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.252116][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.252265][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.252411][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.252598][  T211] RIP: 0033:0x7f3c748ac08e
[   11.252757][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.253302][  T211] RSP: 002b:00007ffca89570f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.253527][  T211] RAX: ffffffffffffffda RBX: 00007ffca8957888 RCX: 00007f3c748ac08e
[   11.253750][  T211] RDX: 0000000000000000 RSI: 00007ffca89571a0 RDI: 0000000000000005
[   11.253967][  T211] RBP: 00007ffca8957100 R08: 0000000000000000 R09: 0000000000000000
[   11.254195][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe8
[   11.254439][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca8957860
| [   11.273359][  T211] ------------[ cut here ]------------
| [   11.273579][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   11.273852][  T211] Modules linked in: veth
| [   11.274264][  T211] Tainted: [W]=WARN
[   11.274375][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.274580][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.274786][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.275316][  T211] RSP: 0018:ffa00000005071b0 EFLAGS: 00010286
[   11.275504][  T211] RAX: 00000000ffffffa6 RBX: ff11000005b6a200 RCX: 1ff40000000a0dfc
[   11.275736][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005b6a2b8
[   11.275960][  T211] RBP: ff1100000c6f1000 R08: 1fe2200000b6d458 R09: ff1100000c71ae80
[   11.276181][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.276403][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.276641][  T211] FS:  00007f3c74672840(0000) GS:ff1100008c330000(0000) knlGS:0000000000000000
[   11.276896][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.277077][  T211] CR2: 000000000042ebe0 CR3: 0000000005de7005 CR4: 0000000000771ef0
[   11.277295][  T211] PKRU: 55555554
[   11.277405][  T211] Call Trace:
[   11.277523][  T211]  <TASK>
[   11.277599][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.277758][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.277869][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.278014][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.278161][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.278373][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.278560][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.278717][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.278914][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.279120][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.279334][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.279613][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.279776][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.279919][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.280063][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.280205][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.280347][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.280500][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.280650][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.280796][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.280940][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.281085][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.281228][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.281369][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.281518][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.281666][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.281818][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.281965][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.282170][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.282407][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.282586][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.282745][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.282894][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.283039][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.283195][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.283359][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.283691][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.283868][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.284077][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.284280][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.284559][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.284785][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.284938][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.285082][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.285238][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.285385][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.285534][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.285685][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.285830][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.285973][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.286118][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.286264][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.286406][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.286586][  T211] RIP: 0033:0x7f3c748ac08e
[   11.286742][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.287250][  T211] RSP: 002b:00007ffca89570f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.287471][  T211] RAX: ffffffffffffffda RBX: 00007ffca8957888 RCX: 00007f3c748ac08e
[   11.287693][  T211] RDX: 0000000000000000 RSI: 00007ffca89571a0 RDI: 0000000000000005
[   11.287944][  T211] RBP: 00007ffca8957100 R08: 0000000000000000 R09: 0000000000000000
[   11.288158][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cfe8


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