======================================
| xx__-> [    9.986332][  T185] ------------[ cut here ]------------
| [    9.986622][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [    9.987460][  T185] Modules linked in: veth
| [    9.988246][  T185] Tainted: [W]=WARN
[    9.988555][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.989059][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.989470][  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
[    9.990194][  T185] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.990535][  T185] RAX: 00000000ffffffa6 RBX: ff1100000cacec80 RCX: 1ff4000000116d8c
[    9.990929][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000caced38
[    9.991403][  T185] RBP: ff1100000a48c000 R08: 1fe2200001959da8 R09: ff1100000bb9d180
[    9.991784][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.992192][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f0cb00
[    9.992580][  T185] FS:  00007f526d6d0840(0000) GS:ff11000090eb0000(0000) knlGS:0000000000000000
[    9.993023][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.993273][  T185] CR2: 0000560257f93d20 CR3: 0000000004f5f003 CR4: 0000000000771ef0
[    9.993552][  T185] PKRU: 55555554
[    9.993721][  T185] Call Trace:
[    9.993886][  T185]  <TASK>
[    9.994080][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.994324][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.994527][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.994718][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.994936][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.995141][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.995343][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.995541][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.995797][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.996020][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.996261][  T185]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.996501][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.996708][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.996922][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.997126][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.997330][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.997564][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.997774][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.997988][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.998205][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.998405][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.998640][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.998851][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.000118][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.000321][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.000522][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.000739][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.000972][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.001185][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.001388][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.001590][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.001805][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.002028][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.002228][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.002449][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.002659][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.002873][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.003093][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.003304][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.003573][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.003787][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.004012][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.004229][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.004430][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.004628][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.004838][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.005069][  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))
[   10.005263][  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))
[   10.005460][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.005657][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.005881][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.006091][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.006288][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.006487][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.006718][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.006935][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.007134][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.009118][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.009377][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.009574][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.009781][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.010023][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.010273][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.010523][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.010904][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.011201][  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)
[   10.011515][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.011819][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.012034][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.012324][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.012614][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.012825][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.013072][  T185] RIP: 0033:0x7f526d90a08e
[   10.013292][  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
[   10.013854][  T185] RSP: 002b:00007ffdc28d8b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.014249][  T185] RAX: ffffffffffffffda RBX: 00007ffdc28d92d8 RCX: 00007f526d90a08e
[   10.014513][  T185] RDX: 0000000000000000 RSI: 00007ffdc28d8bf0 RDI: 0000000000000005
[   10.014887][  T185] RBP: 00007ffdc28d8b50 R08: 0000000000000000 R09: 0000000000000000
[   10.015261][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd07
[   10.015524][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc28d92b0
| [   10.049182][  T185] ------------[ cut here ]------------
| [   10.049358][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [   10.049609][  T185] Modules linked in: veth
| [   10.050027][  T185] Tainted: [W]=WARN
[   10.050133][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.050310][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.050499][  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
[   10.051009][  T185] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[   10.051188][  T185] RAX: 00000000ffffffa6 RBX: ff11000008b16e40 RCX: 1ff4000000116dfc
[   10.051425][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008b16ef8
[   10.051726][  T185] RBP: ff11000009f7c000 R08: 1fe2200001162de0 R09: ff1100000bb9d180
[   10.052062][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.052393][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.052729][  T185] FS:  00007f526d6d0840(0000) GS:ff11000090f30000(0000) knlGS:0000000000000000
[   10.053093][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.053277][  T185] CR2: 0000560257ec9040 CR3: 0000000004f5f004 CR4: 0000000000771ef0
[   10.053487][  T185] PKRU: 55555554
[   10.053592][  T185] Call Trace:
[   10.053705][  T185]  <TASK>
[   10.053781][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.053937][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.054045][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.054188][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.054328][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.054469][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.054614][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.054761][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.054909][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.055050][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.055192][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.055339][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.055483][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.055624][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.055817][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.055970][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.056149][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.056291][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.056446][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.056590][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.057755][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.057900][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.058039][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.058178][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.058319][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.058456][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.058596][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.058746][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.058886][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.059036][  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))
[   10.059172][  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))
[   10.059315][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.059457][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.059597][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.059743][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.059885][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.060122][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.060264][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.060404][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.060547][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.060724][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.060868][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.061118][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.061370][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.061523][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.061664][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.061810][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.062054][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.062196][  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)
[   10.062337][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.062478][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.062618][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.062764][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.063004][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.063144][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.063319][  T185] RIP: 0033:0x7f526d90a08e
[   10.063466][  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
[   10.064101][  T185] RSP: 002b:00007ffdc28d8b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.064313][  T185] RAX: ffffffffffffffda RBX: 00007ffdc28d92d8 RCX: 00007f526d90a08e
[   10.064524][  T185] RDX: 0000000000000000 RSI: 00007ffdc28d8bf0 RDI: 0000000000000005
[   10.064737][  T185] RBP: 00007ffdc28d8b50 R08: 0000000000000000 R09: 0000000000000000
[   10.065056][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd07
[   10.065268][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc28d92b0
| [   10.216505][  T191] ------------[ cut here ]------------
| [   10.216744][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [   10.217072][  T191] Modules linked in: veth
| [   10.217743][  T191] Tainted: [W]=WARN
[   10.217922][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.218161][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.218409][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.219020][  T191] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   10.219259][  T191] RAX: 00000000ffffffa6 RBX: ff110000091fc040 RCX: 1ff4000000110d8c
[   10.219553][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091fc0f8
[   10.219832][  T191] RBP: ff110000087fc000 R08: 1fe220000123f820 R09: ff110000096f5180
[   10.220155][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.220430][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b0af500
[   10.220713][  T191] FS:  00007f09c3552840(0000) GS:ff11000090eb0000(0000) knlGS:0000000000000000
[   10.221038][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.221278][  T191] CR2: 000000000042ebe0 CR3: 000000000c4a4005 CR4: 0000000000771ef0
[   10.221548][  T191] PKRU: 55555554
[   10.221717][  T191] Call Trace:
[   10.221882][  T191]  <TASK>
[   10.222027][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.222243][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.222408][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.222650][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.222862][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.223076][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.223274][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.223474][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.223683][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.223885][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.224106][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.224306][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.224504][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.224712][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.224934][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[   10.225146][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.225383][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.225586][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.225798][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.226034][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.226235][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.226437][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.226636][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.226851][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.227063][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.227265][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.227465][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.227674][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.227907][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.228114][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.228320][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.228518][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.228763][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.228983][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.229182][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.229386][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.229591][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.229804][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.230023][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.230224][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.230424][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.230625][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.230827][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.231043][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.231245][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.231448][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.231651][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.231868][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.232085][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.232290][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.232489][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.232730][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.232951][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.233154][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.233364][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.233566][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.233775][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.234020][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.234225][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.234425][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.234628][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.234850][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.235169][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.235369][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.235651][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.235874][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.236088][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.236286][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.236499][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.236716][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.236972][  T191] RIP: 0033:0x7f09c378c08e
[   10.237180][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.237753][  T191] RSP: 002b:00007ffc9f7672e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.238043][  T191] RAX: ffffffffffffffda RBX: 00007ffc9f767a78 RCX: 00007f09c378c08e
[   10.238312][  T191] RDX: 0000000000000000 RSI: 00007ffc9f767390 RDI: 0000000000000005
[   10.238586][  T191] RBP: 00007ffc9f7672f0 R08: 0000000000000000 R09: 0000000000000000
[   10.238858][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd07
[   10.239143][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9f767a50
| [   10.260052][  T191] ------------[ cut here ]------------
| [   10.260311][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/191
| [   10.260624][  T191] Modules linked in: veth
| [   10.261282][  T191] Tainted: [W]=WARN
[   10.261497][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.261841][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.262196][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.262808][  T191] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   10.263057][  T191] RAX: 00000000ffffffa6 RBX: ff11000009373540 RCX: 1ff4000000110dfc
[   10.263341][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093735f8
[   10.263607][  T191] RBP: ff1100000495c000 R08: 1fe220000126e6c0 R09: ff110000096f5180
[   10.263881][  T191] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.264158][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.264423][  T191] FS:  00007f09c3552840(0000) GS:ff11000090eb0000(0000) knlGS:0000000000000000
[   10.264736][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.265052][  T191] CR2: 000000000042ebe0 CR3: 000000000c4a4005 CR4: 0000000000771ef0
[   10.265316][  T191] PKRU: 55555554
[   10.265475][  T191] Call Trace:
[   10.265634][  T191]  <TASK>
[   10.265769][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.265981][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.266140][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.266332][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.266525][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.266727][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.266944][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.267141][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.267338][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.267532][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.267734][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.267948][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.268147][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.268343][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.268535][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.268738][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.268944][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.269136][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.269332][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.269528][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.269728][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.269934][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.270130][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.270321][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.270515][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.270714][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.270922][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.271115][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.271306][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.271504][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.271699][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.271907][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.272102][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.272294][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.272489][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.272692][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.272906][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.273108][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.273300][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.273492][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.273724][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.273937][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.274127][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.274322][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.274537][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.274742][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.274951][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.275147][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.275337][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.275531][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.275735][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.275947][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.276148][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.276388][  T191] RIP: 0033:0x7f09c378c08e
[   10.276601][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.277230][  T191] RSP: 002b:00007ffc9f7672e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.277499][  T191] RAX: ffffffffffffffda RBX: 00007ffc9f767a78 RCX: 00007f09c378c08e
[   10.277767][  T191] RDX: 0000000000000000 RSI: 00007ffc9f767390 RDI: 0000000000000005
[   10.278045][  T191] RBP: 00007ffc9f7672f0 R08: 0000000000000000 R09: 0000000000000000
[   10.278306][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd07
[   10.278567][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9f767a50
| [   10.530542][  T209] ------------[ cut here ]------------
| [   10.530748][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   10.531774][  T209] Modules linked in: veth
| [   10.532243][  T209] Tainted: [W]=WARN
[   10.532366][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.532561][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.532766][  T209] 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
[   10.533314][  T209] RSP: 0018:ffa0000000676e30 EFLAGS: 00010286
[   10.533506][  T209] RAX: 00000000ffffffa6 RBX: ff110000091fce40 RCX: 1ff40000000ced8c
[   10.533749][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091fcef8
[   10.533992][  T209] RBP: ff110000052fc000 R08: 1fe220000123f9e0 R09: ff11000004b58b80
[   10.534297][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.534526][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b0ae380
[   10.534746][  T209] FS:  00007f44b138d840(0000) GS:ff11000090f30000(0000) knlGS:0000000000000000
[   10.535005][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.535260][  T209] CR2: 000000000042ebe0 CR3: 000000000bb8f003 CR4: 0000000000771ef0
[   10.535574][  T209] PKRU: 55555554
[   10.535742][  T209] Call Trace:
[   10.535917][  T209]  <TASK>
[   10.536029][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.536229][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.536375][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.536529][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.536694][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.536865][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.537088][  T209]  ? 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)
[   10.537296][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.537504][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.537664][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.537823][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.537977][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.538126][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.538272][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.538418][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.538563][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.538713][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.538859][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   10.539011][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.539187][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.539329][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.539473][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.539631][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.539778][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.539930][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.540072][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.540239][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.540425][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.540571][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.540719][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.540859][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.541014][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.541161][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.541305][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.541481][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.541700][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.541922][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.542139][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.542343][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.542486][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.542629][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.542779][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.542928][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.543071][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.543216][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.543358][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.543502][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.543651][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.543862][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.544045][  T209]  ? 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))
[   10.544189][  T209]  ? 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))
[   10.544334][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.544478][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.544623][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.544798][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.545018][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.545232][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.545453][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.545678][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.545844][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.546037][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.546227][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.546443][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.546678][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.546919][  T209]  ? 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))
[   10.547086][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.547236][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.547380][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.547525][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.547674][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.547816][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.547965][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.548109][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.548289][  T209] RIP: 0033:0x7f44b15c708e
[   10.548444][  T209] 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
[   10.548964][  T209] RSP: 002b:00007ffda14db330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.549181][  T209] RAX: ffffffffffffffda RBX: 00007ffda14dbac8 RCX: 00007f44b15c708e
[   10.549397][  T209] RDX: 0000000000000000 RSI: 00007ffda14db3e0 RDI: 0000000000000005
[   10.549619][  T209] RBP: 00007ffda14db340 R08: 0000000000000000 R09: 0000000000000000
[   10.549837][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd07
[   10.550057][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda14dbaa0
| [   10.560216][  T209] ------------[ cut here ]------------
| [   10.560382][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   10.560629][  T209] Modules linked in: veth
| [   10.561200][  T209] Tainted: [W]=WARN
[   10.561312][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.561490][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.561679][  T209] 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
[   10.562187][  T209] RSP: 0018:ffa00000006771b0 EFLAGS: 00010286
[   10.562367][  T209] RAX: 00000000ffffffa6 RBX: ff1100000b2bb700 RCX: 1ff40000000cedfc
[   10.562578][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2bb7b8
[   10.562794][  T209] RBP: ff110000075a4000 R08: 1fe22000016576f8 R09: ff11000004b58b80
[   10.563019][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.563232][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.563445][  T209] FS:  00007f44b138d840(0000) GS:ff11000090f30000(0000) knlGS:0000000000000000
[   10.563694][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.563871][  T209] CR2: 000000000042ebe0 CR3: 000000000bb8f003 CR4: 0000000000771ef0
[   10.564089][  T209] PKRU: 55555554
[   10.564197][  T209] Call Trace:
[   10.564317][  T209]  <TASK>
[   10.564424][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.564643][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.564782][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   10.564937][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   10.565081][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.565236][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.565383][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.565526][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.565715][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.565875][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.566022][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.566171][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.566315][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.566458][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.566599][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.566747][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.566896][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.567041][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.567190][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.567331][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.567478][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.567622][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.567780][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.567926][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.568068][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.568204][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.568346][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.568486][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.568625][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.568776][  T209]  ? 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))
[   10.568926][  T209]  ? 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))
[   10.569072][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.569218][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.569369][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.569515][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.569668][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.569825][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.569977][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.570118][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.570257][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.570433][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   10.570582][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   10.570732][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.570871][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.571024][  T209]  ? 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))
[   10.571171][  T209]  __sys_sendmsg (net/socket.c:2784)
[   10.571315][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.571463][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.571610][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.571772][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.571990][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.572196][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.572407][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.572679][  T209] RIP: 0033:0x7f44b15c708e
[   10.572835][  T209] 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
[   10.573364][  T209] RSP: 002b:00007ffda14db330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.573588][  T209] RAX: ffffffffffffffda RBX: 00007ffda14dbac8 RCX: 00007f44b15c708e
[   10.573807][  T209] RDX: 0000000000000000 RSI: 00007ffda14db3e0 RDI: 0000000000000005
[   10.574028][  T209] RBP: 00007ffda14db340 R08: 0000000000000000 R09: 0000000000000000
[   10.574236][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd07
[   10.574443][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda14dbaa0
| [   10.746774][  T215] ------------[ cut here ]------------
| [   10.747034][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/215
| [   10.747363][  T215] Modules linked in: veth
| [   10.747884][  T215] Tainted: [W]=WARN
[   10.748060][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.748290][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.748534][  T215] 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
[   10.749220][  T215] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   10.749454][  T215] RAX: 00000000ffffffa6 RBX: ff110000050f6c80 RCX: 1ff4000000110d8c
[   10.749730][  T215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000050f6d38
[   10.750011][  T215] RBP: ff1100000c9f1000 R08: 1fe2200000a1eda8 R09: ff1100000bb9ae80
[   10.750278][  T215] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.750546][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dc19580
[   10.750826][  T215] FS:  00007f56b8f2e840(0000) GS:ff11000090eb0000(0000) knlGS:0000000000000000
[   10.751146][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.751376][  T215] CR2: 000000000042ebe0 CR3: 0000000004ed4001 CR4: 0000000000771ef0
[   10.751644][  T215] PKRU: 55555554
[   10.751812][  T215] Call Trace:
[   10.751983][  T215]  <TASK>
[   10.752108][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.752305][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.752502][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.752675][  T215]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.752873][  T215]  __dev_notify_flags (net/core/dev.c:9787)
[   10.753082][  T215]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.753275][  T215]  ? 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)
[   10.753475][  T215]  ? netif_change_name (net/core/dev.c:1495)
[   10.753680][  T215]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.753876][  T215]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.754082][  T215]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.754306][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.754504][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.754717][  T215]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.754931][  T215]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.755132][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.755342][  T215]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.755540][  T215] veth_newlink (drivers/net/veth.c:1871) veth
[   10.755745][  T215]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.755985][  T215]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.756179][  T215]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.756375][  T215]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.756592][  T215]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.756794][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.757019][  T215]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.757214][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.757412][  T215]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.757623][  T215]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.757825][  T215]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.758034][  T215]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.758239][  T215]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.758438][  T215]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.758674][  T215]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.758959][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.759224][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.759490][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.759701][  T215]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.759987][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.760261][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.760532][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.760800][  T215]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.761011][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.761204][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.761396][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.761596][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.761798][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.762008][  T215]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.762203][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.762397][  T215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.762593][  T215]  ? 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))
[   10.762791][  T215]  ? 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))
[   10.763002][  T215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.763202][  T215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.763395][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.763587][  T215]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.763789][  T215]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.763997][  T215]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.764193][  T215]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.764387][  T215]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.764587][  T215]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.764820][  T215]  ? move_addr_to_kernel (net/socket.c:258)
[   10.765036][  T215]  ___sys_sendmsg (net/socket.c:2752)
[   10.765226][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.765420][  T215]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.765718][  T215]  ? 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))
[   10.765993][  T215]  __sys_sendmsg (net/socket.c:2784)
[   10.766195][  T215]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.766391][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.766585][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.766829][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.767051][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.767243][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.767442][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.767684][  T215] RIP: 0033:0x7f56b916808e
[   10.767917][  T215] 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
[   10.768567][  T215] RSP: 002b:00007ffc6e8a2430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.768865][  T215] RAX: ffffffffffffffda RBX: 00007ffc6e8a2bc8 RCX: 00007f56b916808e
[   10.769153][  T215] RDX: 0000000000000000 RSI: 00007ffc6e8a24e0 RDI: 0000000000000005
[   10.769420][  T215] RBP: 00007ffc6e8a2440 R08: 0000000000000000 R09: 0000000000000000
[   10.769689][  T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd08
[   10.769967][  T215] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6e8a2ba0
| [   10.779377][  T215] ------------[ cut here ]------------
| [   10.779589][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/215
| [   10.780068][  T215] Modules linked in: veth
| [   10.780576][  T215] Tainted: [W]=WARN
[   10.780761][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.781007][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.781250][  T215] 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
[   10.781803][  T215] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   10.782046][  T215] RAX: 00000000ffffffa6 RBX: ff11000004cc83c0 RCX: 1ff4000000110dfc
[   10.782306][  T215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004cc8478
[   10.782560][  T215] RBP: ff1100000c9f4000 R08: 1fe2200000999090 R09: ff1100000bb9ae80
[   10.782824][  T215] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.783151][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.783438][  T215] FS:  00007f56b8f2e840(0000) GS:ff11000090eb0000(0000) knlGS:0000000000000000
[   10.783760][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.784024][  T215] CR2: 000000000042ebe0 CR3: 0000000004ed4001 CR4: 0000000000771ef0
[   10.784293][  T215] PKRU: 55555554
[   10.784449][  T215] Call Trace:
[   10.784609][  T215]  <TASK>
[   10.784743][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.785068][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.785291][  T215]  __dev_notify_flags (net/core/dev.c:9787)
[   10.785547][  T215]  ? netif_change_name (net/core/dev.c:1495)
[   10.785810][  T215]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.786080][  T215]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.786406][  T215]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.786712][  T215]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.787084][  T215]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.787468][  T215]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.787782][  T215]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.788053][  T215]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.788308][  T215]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.788556][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.788816][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.789083][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.789329][  T215]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.789590][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.789851][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.790116][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.790366][  T215]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.790616][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.790874][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.791154][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.791404][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.791649][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.791922][  T215]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.792174][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.792423][  T215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.792684][  T215]  ? 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))
[   10.792952][  T215]  ? 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))
[   10.793205][  T215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.793455][  T215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.793728][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.793997][  T215]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.794358][  T215]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.794740][  T215]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.795132][  T215]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.795459][  T215]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.795719][  T215]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.796012][  T215]  ? move_addr_to_kernel (net/socket.c:258)
[   10.796285][  T215]  ___sys_sendmsg (net/socket.c:2752)
[   10.796537][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.796830][  T215]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.797253][  T215]  ? 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))
[   10.797637][  T215]  __sys_sendmsg (net/socket.c:2784)
[   10.798049][  T215]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.798328][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.798578][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.798939][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.799292][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.799636][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.799992][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.800398][  T215] RIP: 0033:0x7f56b916808e
[   10.800727][  T215] 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
[   10.801425][  T215] RSP: 002b:00007ffc6e8a2430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.801739][  T215] RAX: ffffffffffffffda RBX: 00007ffc6e8a2bc8 RCX: 00007f56b916808e
[   10.802015][  T215] RDX: 0000000000000000 RSI: 00007ffc6e8a24e0 RDI: 0000000000000005
[   10.802274][  T215] RBP: 00007ffc6e8a2440 R08: 0000000000000000 R09: 0000000000000000
[   10.802545][  T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd08
[   10.802808][  T215] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6e8a2ba0
| [   10.975675][  T221] ------------[ cut here ]------------
| [   10.975984][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/221
| [   10.976367][  T221] Modules linked in: veth
| [   10.976866][  T221] Tainted: [W]=WARN
[   10.976989][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.977178][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.977375][  T221] 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
[   10.977900][  T221] RSP: 0018:ffa00000007e6e30 EFLAGS: 00010286
[   10.978086][  T221] RAX: 00000000ffffffa6 RBX: ff1100000b2bba80 RCX: 1ff40000000fcd8c
[   10.978301][  T221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2bbb38
[   10.978512][  T221] RBP: ff1100000c9bc000 R08: 1fe2200001657768 R09: ff11000009af5180
[   10.978732][  T221] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.978953][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b112380
[   10.979167][  T221] FS:  00007fcc65320840(0000) GS:ff11000090f30000(0000) knlGS:0000000000000000
[   10.979418][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.979600][  T221] CR2: 000000000042ebe0 CR3: 0000000009ed7002 CR4: 0000000000771ef0
[   10.979829][  T221] PKRU: 55555554
[   10.979946][  T221] Call Trace:
[   10.980058][  T221]  <TASK>
[   10.980136][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.980289][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.980439][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.980550][  T221]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   10.980713][  T221]  __dev_notify_flags (net/core/dev.c:9787)
[   10.980862][  T221]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.981017][  T221]  ? 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)
[   10.981162][  T221]  ? netif_change_name (net/core/dev.c:1495)
[   10.981306][  T221]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.981450][  T221]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.981596][  T221]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.981751][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.981907][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.982052][  T221]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.982195][  T221]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.982338][  T221]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.982486][  T221]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.982632][  T221] veth_newlink (drivers/net/veth.c:1871) veth
[   10.982789][  T221]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.982977][  T221]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.983125][  T221]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.983271][  T221]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.983473][  T221]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.983657][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.983802][  T221]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.983953][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.984099][  T221]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.984244][  T221]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.984388][  T221]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.984530][  T221]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.984701][  T221]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.984879][  T221]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.985035][  T221]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.985179][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.985323][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.985464][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.985607][  T221]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.985754][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.985906][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.986050][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.986189][  T221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.986352][  T221]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.986500][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.986642][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.986806][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.986963][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.987111][  T221]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.987260][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.987404][  T221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.987549][  T221]  ? 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))
[   10.987703][  T221]  ? 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))
[   10.987851][  T221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.988000][  T221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.988149][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.988293][  T221]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.988438][  T221]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.988615][  T221]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.988825][  T221]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.988979][  T221]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.989120][  T221]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.989295][  T221]  ? move_addr_to_kernel (net/socket.c:258)
[   10.989444][  T221]  ___sys_sendmsg (net/socket.c:2752)
[   10.989589][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.989740][  T221]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.989904][  T221]  ? 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))
[   10.990050][  T221]  __sys_sendmsg (net/socket.c:2784)
[   10.990195][  T221]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.990355][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.990500][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.990645][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.990794][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.990944][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.991087][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.991265][  T221] RIP: 0033:0x7fcc6555a08e
[   10.991419][  T221] 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
[   10.991972][  T221] RSP: 002b:00007fff7f69d890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.992189][  T221] RAX: ffffffffffffffda RBX: 00007fff7f69e028 RCX: 00007fcc6555a08e
[   10.992454][  T221] RDX: 0000000000000000 RSI: 00007fff7f69d940 RDI: 0000000000000005
[   10.992754][  T221] RBP: 00007fff7f69d8a0 R08: 0000000000000000 R09: 0000000000000000
[   10.993075][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd08
[   10.993291][  T221] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7f69e000
| [   11.002619][  T221] ------------[ cut here ]------------
| [   11.002799][  T221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/221
| [   11.003052][  T221] Modules linked in: veth
| [   11.003468][  T221] Tainted: [W]=WARN
[   11.003573][  T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.003760][  T221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.004139][  T221] 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
[   11.004630][  T221] RSP: 0018:ffa00000007e71b0 EFLAGS: 00010286
[   11.004809][  T221] RAX: 00000000ffffffa6 RBX: ff1100000c5d4c80 RCX: 1ff40000000fcdfc
[   11.005087][  T221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5d4d38
[   11.005295][  T221] RBP: ff1100000c9b9000 R08: 1fe22000018ba9a8 R09: ff11000009af5180
[   11.005502][  T221] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.005716][  T221] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.006001][  T221] FS:  00007fcc65320840(0000) GS:ff11000090f30000(0000) knlGS:0000000000000000
[   11.006250][  T221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.006424][  T221] CR2: 000000000042ebe0 CR3: 0000000009ed7002 CR4: 0000000000771ef0
[   11.006630][  T221] PKRU: 55555554
[   11.006737][  T221] Call Trace:
[   11.006839][  T221]  <TASK>
[   11.006975][  T221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.007118][  T221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.007221][  T221]  __dev_notify_flags (net/core/dev.c:9787)
[   11.007358][  T221]  ? netif_change_name (net/core/dev.c:1495)
[   11.007495][  T221]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.007630][  T221]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.007774][  T221]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.007977][  T221]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.008117][  T221]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.008254][  T221]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.008390][  T221]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.008532][  T221]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.008676][  T221]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.008812][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.009014][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.009153][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.009290][  T221]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.009429][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.009570][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.009712][  T221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.009850][  T221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.010049][  T221]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.010185][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.010321][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.010459][  T221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.010599][  T221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.010742][  T221]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.010883][  T221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.011082][  T221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.011221][  T221]  ? 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))
[   11.011356][  T221]  ? 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))
[   11.011496][  T221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.011634][  T221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.011779][  T221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.011978][  T221]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.012116][  T221]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.012254][  T221]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.012394][  T221]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.012531][  T221]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.012696][  T221]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.012871][  T221]  ? move_addr_to_kernel (net/socket.c:258)
[   11.013074][  T221]  ___sys_sendmsg (net/socket.c:2752)
[   11.013213][  T221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.013349][  T221]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.013494][  T221]  ? 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))
[   11.013633][  T221]  __sys_sendmsg (net/socket.c:2784)
[   11.013776][  T221]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.013979][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.014117][  T221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.014255][  T221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.014396][  T221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.014533][  T221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.014676][  T221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.014847][  T221] RIP: 0033:0x7fcc6555a08e
[   11.015078][  T221] 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
[   11.015682][  T221] RSP: 002b:00007fff7f69d890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.015965][  T221] RAX: ffffffffffffffda RBX: 00007fff7f69e028 RCX: 00007fcc6555a08e
[   11.016171][  T221] RDX: 0000000000000000 RSI: 00007fff7f69d940 RDI: 0000000000000005
[   11.016375][  T221] RBP: 00007fff7f69d8a0 R08: 0000000000000000 R09: 0000000000000000
[   11.016585][  T221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd08


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