======================================
| xx__-> [   10.376879][  T185] ------------[ cut here ]------------
| [   10.377147][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.377519][  T185] Modules linked in: veth
| [   10.378475][  T185] Tainted: [W]=WARN
[   10.378635][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.378867][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.379129][  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
[   10.379720][  T185] RSP: 0018:ffa0000000796e30 EFLAGS: 00010286
[   10.380048][  T185] RAX: 00000000ffffffa6 RBX: ff110000055aa3c0 RCX: 1ff40000000f2d8c
[   10.380507][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000055aa478
[   10.380977][  T185] RBP: ff11000002979000 R08: 1fe2200000ab5490 R09: ff1100000ca68b80
[   10.381476][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.381883][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009608e80
[   10.382337][  T185] FS:  00007f11e1a0d840(0000) GS:ff110000a34b0000(0000) knlGS:0000000000000000
[   10.382810][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.383187][  T185] CR2: 000000000042ebe0 CR3: 000000000d04a002 CR4: 0000000000771ef0
[   10.383656][  T185] PKRU: 55555554
[   10.384002][  T185] Call Trace:
[   10.384376][  T185]  <TASK>
[   10.384596][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.384909][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.385211][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.385494][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.385775][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.386059][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.386345][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.386633][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.386907][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.387207][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.387486][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.387761][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.388293][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.388606][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.388918][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   10.389248][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.389605][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.389914][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.390244][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.390570][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.390876][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.391205][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.391512][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.391819][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.392139][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.392472][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.392777][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.393091][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.393416][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.393725][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.394033][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.394352][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.394618][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.394893][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.395189][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.395480][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.395757][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.396033][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.396344][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.396619][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.396896][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.397192][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.397474][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.397740][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.398080][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.398341][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.398534][  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))
[   10.398725][  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))
[   10.398921][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.399126][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.399333][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.399569][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.399765][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.399960][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.400191][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.400386][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.400587][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.400819][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.401029][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.401240][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.401432][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.401634][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.401828][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.402037][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.402253][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.402448][  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)
[   10.402638][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.402828][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.403034][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.403250][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.403441][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.403637][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.403861][  T185] RIP: 0033:0x7f11e1c4708e
[   10.404065][  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
[   10.404625][  T185] RSP: 002b:00007fffcd4e4940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.404891][  T185] RAX: ffffffffffffffda RBX: 00007fffcd4e50d8 RCX: 00007f11e1c4708e
[   10.405187][  T185] RDX: 0000000000000000 RSI: 00007fffcd4e49f0 RDI: 0000000000000005
[   10.405471][  T185] RBP: 00007fffcd4e4950 R08: 0000000000000000 R09: 0000000000000000
[   10.405729][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77e
[   10.405992][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcd4e50b0
| [   10.439460][  T185] ------------[ cut here ]------------
| [   10.439745][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [   10.440148][  T185] Modules linked in: veth
| [   10.440913][  T185] Tainted: [W]=WARN
[   10.441079][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.441357][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.441638][  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
[   10.442410][  T185] RSP: 0018:ffa00000007971b0 EFLAGS: 00010286
[   10.442679][  T185] RAX: 00000000ffffffa6 RBX: ff11000001f0f380 RCX: 1ff40000000f2dfc
[   10.443001][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f0f438
[   10.443331][  T185] RBP: ff11000008644000 R08: 1fe22000003e1e88 R09: ff1100000ca68b80
[   10.443661][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.443977][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.444317][  T185] FS:  00007f11e1a0d840(0000) GS:ff110000a3430000(0000) knlGS:0000000000000000
[   10.444701][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.444965][  T185] CR2: 0000563eff9b6260 CR3: 000000000d04a002 CR4: 0000000000771ef0
[   10.445297][  T185] PKRU: 55555554
[   10.445455][  T185] Call Trace:
[   10.445612][  T185]  <TASK>
[   10.445724][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.445942][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.446111][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.446339][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.446562][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.446777][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.446994][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.447218][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.447441][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.447654][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.447864][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.448091][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.448323][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.448536][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.448746][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.448961][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.449190][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.449403][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.449626][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.449844][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.450064][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.450284][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.450495][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.450711][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.450929][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.451143][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.451373][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.451585][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.451801][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.452029][  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))
[   10.452251][  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))
[   10.452467][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.452681][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.452893][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.453112][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.453337][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.453550][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.453766][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.453981][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.454207][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.454467][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.454687][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.454915][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.455142][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.455391][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.455613][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.455826][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.456038][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.456269][  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)
[   10.456485][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.456696][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.456911][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.457128][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.457348][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.457557][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.457839][  T185] RIP: 0033:0x7f11e1c4708e
[   10.458063][  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
[   10.458833][  T185] RSP: 002b:00007fffcd4e4940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.459159][  T185] RAX: ffffffffffffffda RBX: 00007fffcd4e50d8 RCX: 00007f11e1c4708e
[   10.459485][  T185] RDX: 0000000000000000 RSI: 00007fffcd4e49f0 RDI: 0000000000000005
[   10.459800][  T185] RBP: 00007fffcd4e4950 R08: 0000000000000000 R09: 0000000000000000
[   10.460122][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77e
[   10.460452][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcd4e50b0
| [   10.669163][  T198] ------------[ cut here ]------------
| [   10.669370][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [   10.669650][  T198] Modules linked in: veth
| [   10.670133][  T198] Tainted: [W]=WARN
[   10.670255][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.670462][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.670662][  T198] 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
[   10.671200][  T198] RSP: 0018:ffa0000000696e30 EFLAGS: 00010286
[   10.671389][  T198] RAX: 00000000ffffffa6 RBX: ff11000002921c40 RCX: 1ff40000000d2d8c
[   10.671613][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002921cf8
[   10.671837][  T198] RBP: ff110000084e4000 R08: 1fe22000005243a0 R09: ff1100000d1a5180
[   10.672057][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.672284][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000051a9c80
[   10.672509][  T198] FS:  00007f3f1a80b840(0000) GS:ff110000a33b0000(0000) knlGS:0000000000000000
[   10.672770][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.672955][  T198] CR2: 000000000042ebe0 CR3: 000000000c103004 CR4: 0000000000771ef0
[   10.673187][  T198] PKRU: 55555554
[   10.673299][  T198] Call Trace:
[   10.673409][  T198]  <TASK>
[   10.673492][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.673644][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.673758][  T198]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.673943][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   10.674095][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   10.674249][  T198]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.674403][  T198]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   10.674558][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.674705][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.674852][  T198]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.675002][  T198] veth_newlink (drivers/net/veth.c:1871) veth
[   10.675157][  T198]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.675347][  T198]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.675497][  T198]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.675644][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.675810][  T198]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.675960][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.676117][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.676274][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.676423][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.676571][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.676718][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.676868][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.677027][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.677195][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.677347][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.677495][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.677643][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.677789][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.677935][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.678090][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.678248][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.678399][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.678547][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.678695][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.678853][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.679002][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.679157][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.679316][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.679469][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.679615][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.679776][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.679926][  T198]  ? 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))
[   10.680079][  T198]  ? 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))
[   10.680233][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.680382][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.680528][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.680672][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.680818][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.680963][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.681115][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.681264][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.681408][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.681588][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   10.681735][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   10.681881][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.682023][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.682188][  T198]  ? 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))
[   10.682337][  T198]  __sys_sendmsg (net/socket.c:2784)
[   10.682483][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.682631][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.683304][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.683459][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.683604][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.683747][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.683895][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.684099][  T198] RIP: 0033:0x7f3f1aa4508e
[   10.684261][  T198] 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
[   10.684773][  T198] RSP: 002b:00007ffeb56e6230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.684999][  T198] RAX: ffffffffffffffda RBX: 00007ffeb56e69c8 RCX: 00007f3f1aa4508e
[   10.685252][  T198] RDX: 0000000000000000 RSI: 00007ffeb56e62e0 RDI: 0000000000000005
[   10.685507][  T198] RBP: 00007ffeb56e6240 R08: 0000000000000000 R09: 0000000000000000
[   10.685755][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77e
[   10.685988][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb56e69a0
| [   10.695366][  T198] ------------[ cut here ]------------
| [   10.695537][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [   10.695777][  T198] Modules linked in: veth
| [   10.696186][  T198] Tainted: [W]=WARN
[   10.696292][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.696464][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.696646][  T198] 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
[   10.697178][  T198] RSP: 0018:ffa00000006971b0 EFLAGS: 00010286
[   10.697356][  T198] RAX: 00000000ffffffa6 RBX: ff1100000a34b540 RCX: 1ff40000000d2dfc
[   10.697564][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a34b5f8
[   10.697769][  T198] RBP: ff110000083ac000 R08: 1fe22000014696c0 R09: ff1100000d1a5180
[   10.697988][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.698207][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.698414][  T198] FS:  00007f3f1a80b840(0000) GS:ff110000a33b0000(0000) knlGS:0000000000000000
[   10.698673][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.698852][  T198] CR2: 000000000042ebe0 CR3: 000000000c103004 CR4: 0000000000771ef0
[   10.699071][  T198] PKRU: 55555554
[   10.699185][  T198] Call Trace:
[   10.699299][  T198]  <TASK>
[   10.699376][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.699523][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.699632][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   10.699779][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   10.699924][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.700074][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.700226][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.700375][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.700521][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.700663][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.700806][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.700954][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.701110][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.701261][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.701406][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.701553][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.701695][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.701846][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.701988][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.702133][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.702281][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.702419][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.702558][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.702698][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.702839][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.702977][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.703122][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.703328][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.703468][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.703616][  T198]  ? 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))
[   10.703757][  T198]  ? 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))
[   10.703927][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.704077][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.704280][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.704495][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.704671][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.704819][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.704967][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.705118][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.705369][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.705546][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[   10.705715][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   10.705858][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.706004][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.706271][  T198]  ? 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))
[   10.706414][  T198]  __sys_sendmsg (net/socket.c:2784)
[   10.706555][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.706698][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.706839][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.706978][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.707125][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.707377][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.707520][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.707692][  T198] RIP: 0033:0x7f3f1aa4508e
[   10.707838][  T198] 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
[   10.708469][  T198] RSP: 002b:00007ffeb56e6230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.708678][  T198] RAX: ffffffffffffffda RBX: 00007ffeb56e69c8 RCX: 00007f3f1aa4508e
[   10.708910][  T198] RDX: 0000000000000000 RSI: 00007ffeb56e62e0 RDI: 0000000000000005
[   10.709145][  T198] RBP: 00007ffeb56e6240 R08: 0000000000000000 R09: 0000000000000000
[   10.709469][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77e
[   10.709746][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb56e69a0
| [   10.893591][  T210] ------------[ cut here ]------------
| [   10.893786][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [   10.894067][  T210] Modules linked in: veth
| [   10.894487][  T210] Tainted: [W]=WARN
[   10.894595][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.894778][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.894970][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.895492][  T210] RSP: 0018:ffa0000000556e30 EFLAGS: 00010286
[   10.895686][  T210] RAX: 00000000ffffffa6 RBX: ff11000001f84200 RCX: 1ff40000000aad8c
[   10.895901][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f842b8
[   10.896122][  T210] RBP: ff110000083c1000 R08: 1fe22000003f0858 R09: ff1100000c912e80
[   10.896347][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.896561][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000961c400
[   10.896782][  T210] FS:  00007f5efa174840(0000) GS:ff110000a3530000(0000) knlGS:0000000000000000
[   10.897036][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.897226][  T210] CR2: 000000000042ebe0 CR3: 0000000002828005 CR4: 0000000000771ef0
[   10.897443][  T210] PKRU: 55555554
[   10.897551][  T210] Call Trace:
[   10.897658][  T210]  <TASK>
[   10.897737][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.897888][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.898034][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.898148][  T210]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.898301][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   10.898448][  T210]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.898595][  T210]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   10.898740][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   10.898886][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.899029][  T210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.899185][  T210]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.899332][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.899478][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.899622][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.899771][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.899938][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.900149][  T210]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.900366][  T210] veth_newlink (drivers/net/veth.c:1871) veth
[   10.900573][  T210]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.900831][  T210]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.901039][  T210]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.901250][  T210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.901477][  T210]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.901628][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.901779][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.901929][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.902083][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.902238][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.902399][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.902546][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.902692][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.902845][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.902998][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.903154][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.903309][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.903457][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.903605][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.903753][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.903906][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.904058][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.904215][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.904366][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.904515][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.904661][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.904814][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.904974][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.905194][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.905432][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.905616][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.905776][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.905931][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.906087][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.906242][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.906392][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.906541][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.906689][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.906842][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.906994][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.907162][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.907329][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.907514][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   10.907669][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   10.907814][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.907959][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.908119][  T210]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.908273][  T210]  __sys_sendmsg (net/socket.c:2784)
[   10.908419][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.908568][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.908736][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.908888][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.909040][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.909197][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.909345][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.909525][  T210] RIP: 0033:0x7f5efa3ae08e
[   10.909676][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.910200][  T210] RSP: 002b:00007ffc42c05050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.910418][  T210] RAX: ffffffffffffffda RBX: 00007ffc42c057e8 RCX: 00007f5efa3ae08e
[   10.910634][  T210] RDX: 0000000000000000 RSI: 00007ffc42c05100 RDI: 0000000000000005
[   10.910856][  T210] RBP: 00007ffc42c05060 R08: 0000000000000000 R09: 0000000000000000
[   10.911075][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77f
[   10.911295][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc42c057c0
| [   10.919769][  T210] ------------[ cut here ]------------
| [   10.919934][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [   10.920199][  T210] Modules linked in: veth
| [   10.920596][  T210] Tainted: [W]=WARN
[   10.920702][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.920880][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.921081][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.921585][  T210] RSP: 0018:ffa00000005571b0 EFLAGS: 00010286
[   10.921765][  T210] RAX: 00000000ffffffa6 RBX: ff1100000c0638c0 RCX: 1ff40000000aadfc
[   10.921972][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c063978
[   10.922282][  T210] RBP: ff11000008799000 R08: 1fe220000180c730 R09: ff1100000c912e80
[   10.922488][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.922696][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.922907][  T210] FS:  00007f5efa174840(0000) GS:ff110000a3530000(0000) knlGS:0000000000000000
[   10.923164][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.923437][  T210] CR2: 000000000042ebe0 CR3: 0000000002828005 CR4: 0000000000771ef0
[   10.923644][  T210] PKRU: 55555554
[   10.923831][  T210] Call Trace:
[   10.923941][  T210]  <TASK>
[   10.924017][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.924249][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.924358][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   10.924498][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   10.924637][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.924776][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.924994][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.925234][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.925394][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.925538][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.925679][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.925858][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.926023][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.926303][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.926461][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.926668][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.926838][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.926981][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.927130][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.927350][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.927507][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.927646][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.927784][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.927923][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.928073][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.928284][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.928442][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.928584][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.928727][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.928873][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.929015][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.929165][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.929372][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.929515][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.929659][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.929804][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.929957][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.930110][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.930316][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.930458][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.930641][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   10.930790][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   10.930932][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.931085][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.931301][  T210]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.931447][  T210]  __sys_sendmsg (net/socket.c:2784)
[   10.931592][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.931751][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.931904][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.932053][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.932265][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.932412][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.932554][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.932732][  T210] RIP: 0033:0x7f5efa3ae08e
[   10.932884][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.933460][  T210] RSP: 002b:00007ffc42c05050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.933676][  T210] RAX: ffffffffffffffda RBX: 00007ffc42c057e8 RCX: 00007f5efa3ae08e
[   10.933892][  T210] RDX: 0000000000000000 RSI: 00007ffc42c05100 RDI: 0000000000000005
[   10.934113][  T210] RBP: 00007ffc42c05060 R08: 0000000000000000 R09: 0000000000000000
[   10.934384][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77f
[   10.934596][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc42c057c0
| [   11.176967][  T216] ------------[ cut here ]------------
| [   11.177202][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   11.177471][  T216] Modules linked in: veth
| [   11.177907][  T216] Tainted: [W]=WARN
[   11.178020][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.178219][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.178418][  T216] 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
[   11.178968][  T216] RSP: 0018:ffa00000006f6e30 EFLAGS: 00010286
[   11.179168][  T216] RAX: 00000000ffffffa6 RBX: ff11000005db6580 RCX: 1ff40000000ded8c
[   11.179409][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005db6638
[   11.179636][  T216] RBP: ff1100000867c000 R08: 1fe2200000bb6cc8 R09: ff1100000c1fd180
[   11.179863][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.180089][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004c08e80
[   11.180317][  T216] FS:  00007f31f38d3840(0000) GS:ff110000a3530000(0000) knlGS:0000000000000000
[   11.180581][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.180769][  T216] CR2: 000000000042ebe0 CR3: 0000000001136005 CR4: 0000000000771ef0
[   11.180991][  T216] PKRU: 55555554
[   11.181109][  T216] Call Trace:
[   11.181222][  T216]  <TASK>
[   11.181303][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.181459][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.181612][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.181725][  T216]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.181889][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   11.182064][  T216]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.182221][  T216]  ? 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)
[   11.182368][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   11.182520][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.182669][  T216]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.182819][  T216]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.182969][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.183123][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.183279][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.183423][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.183567][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.183714][  T216]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.183867][  T216] veth_newlink (drivers/net/veth.c:1871) veth
[   11.184023][  T216]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.184248][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.184412][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.184560][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.184723][  T216]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.184874][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.185031][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.185197][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.185345][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.185491][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.185638][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.185782][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.185927][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.186095][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.186254][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.186400][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.186605][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.186813][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.187014][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.187234][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.187500][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.187745][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.188009][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.188239][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.188463][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.188718][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.188924][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.189132][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.189344][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.189511][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.189660][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.189825][  T216]  ? 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))
[   11.189991][  T216]  ? 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))
[   11.190159][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.190365][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.190568][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.190743][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.190892][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.191037][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.191195][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.191341][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.191488][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.191684][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   11.191832][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   11.191987][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.192205][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.192427][  T216]  ? 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))
[   11.192579][  T216]  __sys_sendmsg (net/socket.c:2784)
[   11.192726][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.192875][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.193017][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.193180][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.193327][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.193471][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.193663][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.193908][  T216] RIP: 0033:0x7f31f3b0d08e
[   11.194130][  T216] 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
[   11.194817][  T216] RSP: 002b:00007ffe595a1470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.195075][  T216] RAX: ffffffffffffffda RBX: 00007ffe595a1c08 RCX: 00007f31f3b0d08e
[   11.195307][  T216] RDX: 0000000000000000 RSI: 00007ffe595a1520 RDI: 0000000000000005
[   11.195547][  T216] RBP: 00007ffe595a1480 R08: 0000000000000000 R09: 0000000000000000
[   11.195768][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77f
[   11.195988][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe595a1be0
| [   11.214354][  T216] ------------[ cut here ]------------
| [   11.214606][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   11.214970][  T216] Modules linked in: veth
| [   11.215660][  T216] Tainted: [W]=WARN
[   11.215807][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.215994][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.216209][  T216] 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
[   11.216809][  T216] RSP: 0018:ffa00000006f71b0 EFLAGS: 00010286
[   11.217051][  T216] RAX: 00000000ffffffa6 RBX: ff1100000cbea040 RCX: 1ff40000000dedfc
[   11.217275][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cbea0f8
[   11.217509][  T216] RBP: ff110000087a9000 R08: 1fe220000197d420 R09: ff1100000c1fd180
[   11.217808][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.218059][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.218281][  T216] FS:  00007f31f38d3840(0000) GS:ff110000a3530000(0000) knlGS:0000000000000000
[   11.218554][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.218776][  T216] CR2: 000000000042ebe0 CR3: 0000000001136005 CR4: 0000000000771ef0
[   11.219050][  T216] PKRU: 55555554
[   11.219212][  T216] Call Trace:
[   11.219365][  T216]  <TASK>
[   11.219469][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.219683][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.219841][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   11.220044][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   11.220257][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.220461][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.220666][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.220869][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.221080][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.221263][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.221409][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.221573][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.221730][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.221877][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.222022][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.222179][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.222324][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.222465][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.222618][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.222762][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.222907][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.223075][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.223235][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.223378][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.223522][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.223665][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.223812][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.223956][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.224119][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.224330][  T216]  ? 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))
[   11.224475][  T216]  ? 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))
[   11.224676][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.224887][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.225096][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.225271][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.225415][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.225560][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.225706][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.225849][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.225992][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.226180][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   11.226342][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   11.226483][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.226625][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.226776][  T216]  ? 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))
[   11.226923][  T216]  __sys_sendmsg (net/socket.c:2784)
[   11.227071][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.227223][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.227370][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.227514][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.227657][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.227801][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.227944][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.228125][  T216] RIP: 0033:0x7f31f3b0d08e
[   11.228282][  T216] 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
[   11.228793][  T216] RSP: 002b:00007ffe595a1470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.229011][  T216] RAX: ffffffffffffffda RBX: 00007ffe595a1c08 RCX: 00007f31f3b0d08e
[   11.229237][  T216] RDX: 0000000000000000 RSI: 00007ffe595a1520 RDI: 0000000000000005
[   11.229453][  T216] RBP: 00007ffe595a1480 R08: 0000000000000000 R09: 0000000000000000
[   11.229666][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77f
[   11.229884][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe595a1be0
| [   11.422448][  T222] ------------[ cut here ]------------
| [   11.422673][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/222
| [   11.422964][  T222] Modules linked in: veth
| [   11.423430][  T222] Tainted: [W]=WARN
[   11.423549][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.423749][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.423961][  T222] 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
[   11.424580][  T222] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[   11.424792][  T222] RAX: 00000000ffffffa6 RBX: ff11000002921540 RCX: 1ff400000010ed8c
[   11.425061][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000029215f8
[   11.425281][  T222] RBP: ff1100000832c000 R08: 1fe22000005242c0 R09: ff1100000c9e2e80
[   11.425498][  T222] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.425723][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b3b7180
[   11.425944][  T222] FS:  00007fc3fe9a5840(0000) GS:ff110000a33b0000(0000) knlGS:0000000000000000
[   11.426209][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.426405][  T222] CR2: 000000000042ebe0 CR3: 0000000004c1f002 CR4: 0000000000771ef0
[   11.426643][  T222] PKRU: 55555554
[   11.426757][  T222] Call Trace:
[   11.427122][  T222]  <TASK>
[   11.427206][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.427360][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.427512][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.427627][  T222]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.427779][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   11.427927][  T222]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.428081][  T222]  ? 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)
[   11.428234][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   11.428384][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.428558][  T222]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.428711][  T222]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.428866][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.429018][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.429179][  T222]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.429330][  T222]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.429515][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.429712][  T222]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.429878][  T222] veth_newlink (drivers/net/veth.c:1871) veth
[   11.430032][  T222]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.430225][  T222]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.430374][  T222]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.430519][  T222]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.430687][  T222]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.430838][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.430990][  T222]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.431156][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.431314][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.431475][  T222]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.431624][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.431771][  T222]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.431920][  T222]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.432078][  T222]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.432239][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.432392][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.432543][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.432692][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.432838][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.433006][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.433163][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.433318][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.433465][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.433615][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.433764][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.433911][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.434071][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.434222][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.434374][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.434526][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.434677][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.434827][  T222]  ? 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))
[   11.434973][  T222]  ? 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))
[   11.435129][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.435284][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.435432][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.435586][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.435734][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.435884][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.436035][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.436194][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.436344][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.436527][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   11.436679][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   11.436828][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.436976][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.437140][  T222]  ? 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))
[   11.437297][  T222]  __sys_sendmsg (net/socket.c:2784)
[   11.437445][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.437598][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.437747][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.437899][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.438051][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.438207][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.438357][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.438541][  T222] RIP: 0033:0x7fc3febdf08e
[   11.438697][  T222] 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
[   11.439236][  T222] RSP: 002b:00007ffd636f7080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.439459][  T222] RAX: ffffffffffffffda RBX: 00007ffd636f7818 RCX: 00007fc3febdf08e
[   11.439683][  T222] RDX: 0000000000000000 RSI: 00007ffd636f7130 RDI: 0000000000000005
[   11.439907][  T222] RBP: 00007ffd636f7090 R08: 0000000000000000 R09: 0000000000000000
[   11.440135][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77f
[   11.440362][  T222] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd636f77f0
| [   11.448057][  T222] ------------[ cut here ]------------
| [   11.448778][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/222
| [   11.449192][  T222] Modules linked in: veth
| [   11.449601][  T222] Tainted: [W]=WARN
[   11.449713][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.449907][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.450100][  T222] 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
[   11.450624][  T222] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[   11.450806][  T222] RAX: 00000000ffffffa6 RBX: ff1100000cabf540 RCX: 1ff400000010edfc
[   11.451022][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cabf5f8
[   11.451246][  T222] RBP: ff1100000847c000 R08: 1fe2200001957ec0 R09: ff1100000c9e2e80
[   11.451468][  T222] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.451688][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.451904][  T222] FS:  00007fc3fe9a5840(0000) GS:ff110000a33b0000(0000) knlGS:0000000000000000
[   11.452175][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.452357][  T222] CR2: 000000000042ebe0 CR3: 0000000004c1f002 CR4: 0000000000771ef0
[   11.452577][  T222] PKRU: 55555554
[   11.452685][  T222] Call Trace:
[   11.452791][  T222]  <TASK>
[   11.452866][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.453012][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.453130][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   11.453312][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   11.453459][  T222]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.453605][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.453759][  T222]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.453903][  T222]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.454052][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.454207][  T222]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.454353][  T222]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.454507][  T222]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.454659][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.454807][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.454950][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.455103][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.455258][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.455403][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.455551][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.455698][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.455841][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.455986][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.456136][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.456291][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.456441][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.456585][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.456739][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.456886][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.457038][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.457196][  T222]  ? 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))
[   11.457344][  T222]  ? 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))
[   11.457491][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.457639][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.457786][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.457935][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.458087][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.458243][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.458391][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.458536][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.458686][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.458865][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   11.459015][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   11.459163][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.459314][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.459469][  T222]  ? 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))
[   11.459618][  T222]  __sys_sendmsg (net/socket.c:2784)
[   11.459763][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.459912][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.460064][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.460217][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.460363][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.460509][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.460653][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.460833][  T222] RIP: 0033:0x7fc3febdf08e
[   11.460984][  T222] 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
[   11.461509][  T222] RSP: 002b:00007ffd636f7080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.461732][  T222] RAX: ffffffffffffffda RBX: 00007ffd636f7818 RCX: 00007fc3febdf08e
[   11.461944][  T222] RDX: 0000000000000000 RSI: 00007ffd636f7130 RDI: 0000000000000005
[   11.462178][  T222] RBP: 00007ffd636f7090 R08: 0000000000000000 R09: 0000000000000000
[   11.462395][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c77f


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