======================================
| xx__-> [   11.123940][  T186] ------------[ cut here ]------------
| [   11.124169][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   11.124517][  T186] Modules linked in: veth
| [   11.124989][  T186] Tainted: [W]=WARN
[   11.125149][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.125427][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.125765][  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
[   11.126416][  T186] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[   11.126640][  T186] RAX: 00000000ffffffa6 RBX: ff11000004ff4200 RCX: 1ff400000011cd8c
[   11.126854][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ff42b8
[   11.127129][  T186] RBP: ff110000090f1000 R08: 1fe22000009fe858 R09: ff1100000cb72e80
[   11.127350][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.127654][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a98ae00
[   11.127875][  T186] FS:  00007ffadad76840(0000) GS:ff11000096a30000(0000) knlGS:0000000000000000
[   11.128130][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.128326][  T186] CR2: 000055ea42fc9d50 CR3: 000000000b137002 CR4: 0000000000771ef0
[   11.128724][  T186] PKRU: 55555554
[   11.128838][  T186] Call Trace:
[   11.128944][  T186]  <TASK>
[   11.129021][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.129286][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.129628][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.129908][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.130134][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.130344][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.130551][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.130701][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.130908][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.131070][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.131285][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.131470][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.131689][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.131833][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.131976][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.132126][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.132304][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.132446][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.132654][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.132814][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.132955][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.133123][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.133281][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.133426][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.133652][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.133797][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.133936][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.134077][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.134280][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.134624][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.134852][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.135076][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.135300][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.135583][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.135723][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.135872][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.136019][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.136157][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.136298][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.136443][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.136648][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.136790][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.136930][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.137072][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.137214][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.137358][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.137559][  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))
[   11.137704][  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))
[   11.137846][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.137988][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.138128][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.138272][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.138418][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.138631][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.138792][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.138955][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.139107][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.139288][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.139446][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.139662][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.139867][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.140119][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.140344][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.140674][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.140897][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.141126][  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)
[   11.141332][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.141474][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.141762][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.141974][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.142187][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.142404][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.142733][  T186] RIP: 0033:0x7ffadafb008e
[   11.142959][  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
[   11.143494][  T186] RSP: 002b:00007ffc0d4bb700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.143720][  T186] RAX: ffffffffffffffda RBX: 00007ffc0d4bbe98 RCX: 00007ffadafb008e
[   11.143934][  T186] RDX: 0000000000000000 RSI: 00007ffc0d4bb7b0 RDI: 0000000000000005
[   11.144166][  T186] RBP: 00007ffc0d4bb710 R08: 0000000000000000 R09: 0000000000000000
[   11.144375][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4a
[   11.144598][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0d4bbe70
| [   11.166268][  T186] ------------[ cut here ]------------
| [   11.166446][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   11.166715][  T186] Modules linked in: veth
| [   11.167259][  T186] Tainted: [W]=WARN
[   11.167366][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.167551][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.167823][  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
[   11.168446][  T186] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[   11.168662][  T186] RAX: 00000000ffffffa6 RBX: ff11000004ef3700 RCX: 1ff400000011cdfc
[   11.168870][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ef37b8
[   11.169082][  T186] RBP: ff11000008831000 R08: 1fe22000009de6f8 R09: ff1100000cb72e80
[   11.169307][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.169523][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.169738][  T186] FS:  00007ffadad76840(0000) GS:ff11000096a30000(0000) knlGS:0000000000000000
[   11.169981][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.170152][  T186] CR2: 000055ea42fc9d50 CR3: 000000000b137002 CR4: 0000000000771ef0
[   11.170356][  T186] PKRU: 55555554
[   11.170460][  T186] Call Trace:
[   11.170703][  T186]  <TASK>
[   11.170788][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.170998][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.171144][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.171282][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.171418][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.171622][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.171802][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.171951][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.172089][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.172229][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.172365][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.172514][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.172661][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.172800][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.172942][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.173080][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.173218][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.173358][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.173509][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.173654][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.173795][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.173932][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.174069][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.174204][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.174347][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.174492][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.174634][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.174771][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.174908][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.175052][  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))
[   11.175189][  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))
[   11.175326][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.175470][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.175618][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.175755][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.175894][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.176031][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.176172][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.176310][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.176448][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.176646][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.176799][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.176942][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.177083][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.177241][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.177387][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.177540][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.177691][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.177837][  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)
[   11.177976][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.178115][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.178272][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.178415][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.178560][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.178702][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.178876][  T186] RIP: 0033:0x7ffadafb008e
[   11.179021][  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
[   11.179514][  T186] RSP: 002b:00007ffc0d4bb700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.179754][  T186] RAX: ffffffffffffffda RBX: 00007ffc0d4bbe98 RCX: 00007ffadafb008e
[   11.179968][  T186] RDX: 0000000000000000 RSI: 00007ffc0d4bb7b0 RDI: 0000000000000005
[   11.180265][  T186] RBP: 00007ffc0d4bb710 R08: 0000000000000000 R09: 0000000000000000
[   11.180523][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4a
[   11.180739][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0d4bbe70
| [   11.356171][  T192] ------------[ cut here ]------------
| [   11.356884][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/192
| [   11.357350][  T192] Modules linked in: veth
| [   11.358451][  T192] Tainted: [W]=WARN
[   11.358717][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.359072][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.359434][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.360289][  T192] RSP: 0018:ffa0000000646e30 EFLAGS: 00010286
[   11.360648][  T192] RAX: 00000000ffffffa6 RBX: ff11000004e058c0 RCX: 1ff40000000c8d8c
[   11.361038][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e05978
[   11.361420][  T192] RBP: ff110000088cc000 R08: 1fe22000009c0b30 R09: ff1100000ca58b80
[   11.361824][  T192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.362206][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c52e00
[   11.362617][  T192] FS:  00007fdde6402840(0000) GS:ff11000096ab0000(0000) knlGS:0000000000000000
[   11.363051][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.363382][  T192] CR2: 000000000042ebe0 CR3: 0000000001f23002 CR4: 0000000000771ef0
[   11.363798][  T192] PKRU: 55555554
[   11.364019][  T192] Call Trace:
[   11.364236][  T192]  <TASK>
[   11.364407][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.364724][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.364950][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.365284][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   11.365594][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   11.365874][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.366149][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.366435][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.366743][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.367023][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.367297][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.367597][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.367871][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.368142][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.368427][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[   11.368732][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.369059][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.369334][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.369631][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.369940][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.370227][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.370526][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.370816][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.371092][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.371367][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.371701][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.371979][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.372252][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.372553][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.372851][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.373128][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.373404][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.373704][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.373977][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.374249][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.374556][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.374844][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.375115][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.375388][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.375685][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.375963][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.376242][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.376536][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.376828][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.377100][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.377375][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.377683][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.377958][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.378236][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.378536][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.378817][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.379093][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.379369][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.379670][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.379958][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.380244][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.380539][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.380886][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   11.381175][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   11.381459][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.381758][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.382053][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.382334][  T192]  __sys_sendmsg (net/socket.c:2784)
[   11.382639][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.382928][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.383210][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.383506][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.383802][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.384092][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.384375][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.384725][  T192] RIP: 0033:0x7fdde663c08e
[   11.385017][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.385883][  T192] RSP: 002b:00007ffec6413fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.386277][  T192] RAX: ffffffffffffffda RBX: 00007ffec6414758 RCX: 00007fdde663c08e
[   11.386690][  T192] RDX: 0000000000000000 RSI: 00007ffec6414070 RDI: 0000000000000005
[   11.387072][  T192] RBP: 00007ffec6413fd0 R08: 0000000000000000 R09: 0000000000000000
[   11.387467][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4a
[   11.387872][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec6414730
| [   11.407055][  T192] ------------[ cut here ]------------
| [   11.407368][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/192
| [   11.407828][  T192] Modules linked in: veth
| [   11.408587][  T192] Tainted: [W]=WARN
[   11.408807][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.409153][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.409511][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.410333][  T192] RSP: 0018:ffa00000006471b0 EFLAGS: 00010286
[   11.410679][  T192] RAX: 00000000ffffffa6 RBX: ff1100000c94ec80 RCX: 1ff40000000c8dfc
[   11.411051][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c94ed38
[   11.411417][  T192] RBP: ff11000008024000 R08: 1fe2200001929da8 R09: ff1100000ca58b80
[   11.411809][  T192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.412197][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.412591][  T192] FS:  00007fdde6402840(0000) GS:ff11000096ab0000(0000) knlGS:0000000000000000
[   11.413030][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.413349][  T192] CR2: 000000000042ebe0 CR3: 0000000001f23002 CR4: 0000000000771ef0
[   11.413742][  T192] PKRU: 55555554
[   11.413958][  T192] Call Trace:
[   11.414177][  T192]  <TASK>
[   11.414343][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.414639][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.414857][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   11.415124][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   11.415390][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.415697][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.415971][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.416245][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.416531][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.416803][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.417069][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.417346][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.417647][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.417916][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.418182][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.418451][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.418741][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.419008][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.419285][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.419570][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.419825][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.420084][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.420352][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.420643][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.420930][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.421191][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.421475][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.421768][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.422040][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.422300][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.422596][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.422867][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.423132][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.423398][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.423688][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.423957][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.424223][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.424511][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.424784][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.425055][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.425377][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   11.425681][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   11.425952][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.426218][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.426520][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.426799][  T192]  __sys_sendmsg (net/socket.c:2784)
[   11.427067][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.427321][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.427610][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.427894][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.428162][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.428439][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.428739][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.429055][  T192] RIP: 0033:0x7fdde663c08e
[   11.429330][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.430161][  T192] RSP: 002b:00007ffec6413fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.430549][  T192] RAX: ffffffffffffffda RBX: 00007ffec6414758 RCX: 00007fdde663c08e
[   11.430919][  T192] RDX: 0000000000000000 RSI: 00007ffec6414070 RDI: 0000000000000005
[   11.431279][  T192] RBP: 00007ffec6413fd0 R08: 0000000000000000 R09: 0000000000000000
[   11.431672][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4a
[   11.432039][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec6414730
| [   11.719264][  T211] ------------[ cut here ]------------
| [   11.719463][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/211
| [   11.719728][  T211] Modules linked in: veth
| [   11.720132][  T211] Tainted: [W]=WARN
[   11.720240][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.720419][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.720619][  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
[   11.721125][  T211] RSP: 0018:ffa00000005b6e30 EFLAGS: 00010286
[   11.721306][  T211] RAX: 00000000ffffffa6 RBX: ff11000005d0e740 RCX: 1ff40000000b6d8c
[   11.721522][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d0e7f8
[   11.721738][  T211] RBP: ff1100000ee09000 R08: 1fe2200000ba1d00 R09: ff1100000c27ae80
[   11.721948][  T211] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.722161][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008ba3500
[   11.722394][  T211] FS:  00007fdef3d51840(0000) GS:ff11000096a30000(0000) knlGS:0000000000000000
[   11.722654][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.722834][  T211] CR2: 000000000042ebe0 CR3: 0000000009b2a003 CR4: 0000000000771ef0
[   11.723060][  T211] PKRU: 55555554
[   11.723223][  T211] Call Trace:
[   11.723363][  T211]  <TASK>
[   11.723437][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.723594][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.723741][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.723848][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.723989][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.724131][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.724275][  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)
[   11.724414][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.724563][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.724709][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.724851][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.724992][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.725134][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.725278][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.725422][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.725572][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.725717][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.725861][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   11.726005][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.726179][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.726320][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.726459][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.726628][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.726770][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.726915][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.727055][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.727203][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.727349][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.727497][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.727649][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.727796][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.727944][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.728091][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.728235][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.728377][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.728524][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.728668][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.728805][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.728950][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.729090][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.729234][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.729376][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.729526][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.729691][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.729834][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.729976][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.730118][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.730260][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.730402][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.730554][  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))
[   11.730731][  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))
[   11.730876][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.731019][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.731160][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.731301][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.731445][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.731599][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.731747][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.731891][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.732034][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.732207][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.732353][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.732501][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.732649][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.732804][  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))
[   11.732947][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.733085][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.733235][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.733379][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.733529][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.733684][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.733824][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.733964][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.734139][  T211] RIP: 0033:0x7fdef3f8b08e
[   11.734288][  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
[   11.734802][  T211] RSP: 002b:00007ffc9ee60ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.735020][  T211] RAX: ffffffffffffffda RBX: 00007ffc9ee61478 RCX: 00007fdef3f8b08e
[   11.735232][  T211] RDX: 0000000000000000 RSI: 00007ffc9ee60d90 RDI: 0000000000000005
[   11.735442][  T211] RBP: 00007ffc9ee60cf0 R08: 0000000000000000 R09: 0000000000000000
[   11.735665][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4b
[   11.735878][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9ee61450
| [   11.745901][  T211] ------------[ cut here ]------------
| [   11.746070][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/211
| [   11.746308][  T211] Modules linked in: veth
| [   11.747132][  T211] Tainted: [W]=WARN
[   11.747241][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.747414][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.747606][  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
[   11.748099][  T211] RSP: 0018:ffa00000005b71b0 EFLAGS: 00010286
[   11.748273][  T211] RAX: 00000000ffffffa6 RBX: ff11000009006ac0 RCX: 1ff40000000b6dfc
[   11.748476][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009006b78
[   11.748806][  T211] RBP: ff1100000ee04000 R08: 1fe2200001200d70 R09: ff1100000c27ae80
[   11.749013][  T211] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.749218][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.749426][  T211] FS:  00007fdef3d51840(0000) GS:ff11000096a30000(0000) knlGS:0000000000000000
[   11.749682][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.749855][  T211] CR2: 000000000042ebe0 CR3: 0000000009b2a003 CR4: 0000000000771ef0
[   11.750059][  T211] PKRU: 55555554
[   11.750163][  T211] Call Trace:
[   11.750266][  T211]  <TASK>
[   11.750341][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.750484][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.750592][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.750728][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.750865][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.751001][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.751141][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.751283][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.751425][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.751568][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.751715][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.751860][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.752002][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.752148][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.752292][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.752438][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.752591][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.752736][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.752906][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.753113][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.753317][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.753563][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.753731][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.753877][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.754020][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.754168][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.754314][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.754453][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.754608][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.754752][  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))
[   11.754901][  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))
[   11.755045][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.755194][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.755341][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.755491][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.755638][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.755778][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.755923][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.756063][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.756202][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.756374][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.756529][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.756677][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.756818][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.756967][  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))
[   11.757107][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.757246][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.757389][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.757531][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.757673][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.757814][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.757950][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.758088][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.758268][  T211] RIP: 0033:0x7fdef3f8b08e
[   11.758416][  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
[   11.758925][  T211] RSP: 002b:00007ffc9ee60ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.759135][  T211] RAX: ffffffffffffffda RBX: 00007ffc9ee61478 RCX: 00007fdef3f8b08e
[   11.759345][  T211] RDX: 0000000000000000 RSI: 00007ffc9ee60d90 RDI: 0000000000000005
[   11.759558][  T211] RBP: 00007ffc9ee60cf0 R08: 0000000000000000 R09: 0000000000000000
[   11.759768][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce4b


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