======================================
| xx__-> [   10.855896][  T186] ------------[ cut here ]------------
| [   10.856153][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.856490][  T186] Modules linked in: veth
| [   10.856953][  T186] Tainted: [W]=WARN
[   10.857063][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.857249][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.857470][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.858040][  T186] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   10.858231][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c56a740 RCX: 1ff4000000126d8c
[   10.858461][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c56a7f8
[   10.858683][  T186] RBP: ff1100000a114000 R08: 1fe22000018ad500 R09: ff1100000d485180
[   10.858902][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.859125][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008ecbc00
[   10.859352][  T186] FS:  00007f0eaa48e840(0000) GS:ff11000092b30000(0000) knlGS:0000000000000000
[   10.859615][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.859797][  T186] CR2: 00005596c3e76000 CR3: 000000000b607002 CR4: 0000000000771ef0
[   10.860011][  T186] PKRU: 55555554
[   10.860119][  T186] Call Trace:
[   10.860228][  T186]  <TASK>
[   10.860311][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.860501][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.860650][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.860757][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.860902][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.861044][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.861186][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.861335][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.861482][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.861629][  T186]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.861809][  T186]  ? 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)
[   10.861991][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.862142][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.862290][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.862435][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   10.862585][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.862763][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.862909][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.863052][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.863210][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.863360][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.863509][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.863652][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.863797][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.863941][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.864089][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.864242][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.864397][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.864546][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.864691][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.864834][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.864979][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.865121][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.865268][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.865427][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.865608][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.865756][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.865903][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.866048][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.866192][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.866341][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.866495][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.866639][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.866782][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.866924][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.867065][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.867215][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.867369][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.867520][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.867662][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.867806][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.867948][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.868088][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.868234][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.868393][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.868538][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.868680][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.868863][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.869013][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.869178][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.869397][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.869633][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.869787][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.869931][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.870111][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.870256][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.870413][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.870558][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.870701][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.870845][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.870988][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.871132][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.871318][  T186] RIP: 0033:0x7f0eaa6c808e
[   10.871475][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.871982][  T186] RSP: 002b:00007ffd7a276500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.872200][  T186] RAX: ffffffffffffffda RBX: 00007ffd7a276c98 RCX: 00007f0eaa6c808e
[   10.872421][  T186] RDX: 0000000000000000 RSI: 00007ffd7a2765b0 RDI: 0000000000000005
[   10.872635][  T186] RBP: 00007ffd7a276510 R08: 0000000000000000 R09: 0000000000000000
[   10.872847][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7a9
[   10.873061][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7a276c70
| [   10.883992][  T186] ------------[ cut here ]------------
| [   10.884196][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   10.884471][  T186] Modules linked in: veth
| [   10.884870][  T186] Tainted: [W]=WARN
[   10.884974][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.885148][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.885343][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.885928][  T186] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   10.886109][  T186] RAX: 00000000ffffffa6 RBX: ff1100000acafc40 RCX: 1ff4000000126dfc
[   10.886325][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000acafcf8
[   10.886601][  T186] RBP: ff1100000a119000 R08: 1fe2200001595fa0 R09: ff1100000d485180
[   10.886805][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.887009][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.887221][  T186] FS:  00007f0eaa48e840(0000) GS:ff11000092b30000(0000) knlGS:0000000000000000
[   10.887540][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.887721][  T186] CR2: 00005596c3e76000 CR3: 000000000b607002 CR4: 0000000000771ef0
[   10.887932][  T186] PKRU: 55555554
[   10.888043][  T186] Call Trace:
[   10.888152][  T186]  <TASK>
[   10.888225][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.888403][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.888515][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   10.888654][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   10.888798][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.888937][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.889078][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.889219][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.889368][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.889520][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.889664][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.889811][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.889954][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.890097][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.890237][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.890381][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.890523][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.890659][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.890814][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.890957][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.891098][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.891237][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.891390][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.891528][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.891674][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.891870][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.892092][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.892317][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.892552][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.892725][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.892921][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.893129][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.893287][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.893439][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.893590][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.893732][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.893874][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.894014][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.894160][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.894305][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.894540][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   10.894683][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   10.894821][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.894965][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.895115][  T186]  __sys_sendmsg (net/socket.c:2784)
[   10.895252][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.895406][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.895544][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.895682][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.895822][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.895961][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.896102][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.896239][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.896393][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.896538][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.896710][  T186] RIP: 0033:0x7f0eaa6c808e
[   10.896858][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.897360][  T186] RSP: 002b:00007ffd7a276500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.897576][  T186] RAX: ffffffffffffffda RBX: 00007ffd7a276c98 RCX: 00007f0eaa6c808e
[   10.897785][  T186] RDX: 0000000000000000 RSI: 00007ffd7a2765b0 RDI: 0000000000000005
[   10.897988][  T186] RBP: 00007ffd7a276510 R08: 0000000000000000 R09: 0000000000000000
[   10.898192][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7a9
[   10.898413][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7a276c70
| [   11.080957][  T196] ------------[ cut here ]------------
| [   11.081144][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   11.081413][  T196] Modules linked in: veth
| [   11.081823][  T196] Tainted: [W]=WARN
[   11.081931][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.082122][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.082345][  T196] 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
[   11.083092][  T196] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   11.083372][  T196] RAX: 00000000ffffffa6 RBX: ff11000009590c80 RCX: 1ff4000000126d8c
[   11.083710][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009590d38
[   11.084019][  T196] RBP: ff11000009bcc000 R08: 1fe22000012b21a8 R09: ff1100000a308b80
[   11.084245][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.084468][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c502380
[   11.084678][  T196] FS:  00007fb9b2126840(0000) GS:ff11000092b30000(0000) knlGS:0000000000000000
[   11.084932][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.085112][  T196] CR2: 000000000042ebe0 CR3: 000000000af89001 CR4: 0000000000771ef0
[   11.085331][  T196] PKRU: 55555554
[   11.085444][  T196] Call Trace:
[   11.085550][  T196]  <TASK>
[   11.085628][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.085777][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.085885][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.086063][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.086209][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.086358][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.086508][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.086690][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.086905][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.087123][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.087350][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.087558][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.087703][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.087846][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.087990][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   11.088133][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.088315][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.088469][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.088612][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.088770][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.088912][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.089060][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.089203][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.089349][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.089504][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.089648][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.089788][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.089932][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.090079][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.090226][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.090375][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.090525][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.090667][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.090807][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.090949][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.091093][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.091244][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.091464][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.091606][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.091748][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.091887][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.092032][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.092172][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.092360][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.092631][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.092774][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.092921][  T196]  ? 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))
[   11.093063][  T196]  ? 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))
[   11.093205][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.093358][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.093504][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.093646][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.093789][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.093930][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.094078][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.094219][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.094365][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.094546][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.094692][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.094834][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.094975][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.095126][  T196]  ? 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))
[   11.095276][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.095423][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.095569][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.095710][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.095852][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.095992][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.096134][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.096283][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.096463][  T196] RIP: 0033:0x7fb9b236008e
[   11.096612][  T196] 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
[   11.097111][  T196] RSP: 002b:00007ffcd944dbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.097332][  T196] RAX: ffffffffffffffda RBX: 00007ffcd944e378 RCX: 00007fb9b236008e
[   11.097551][  T196] RDX: 0000000000000000 RSI: 00007ffcd944dc90 RDI: 0000000000000005
[   11.097761][  T196] RBP: 00007ffcd944dbf0 R08: 0000000000000000 R09: 0000000000000000
[   11.097974][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7a9
[   11.098185][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd944e350
| [   11.110259][  T196] ------------[ cut here ]------------
| [   11.111026][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   11.111278][  T196] Modules linked in: veth
| [   11.111772][  T196] Tainted: [W]=WARN
[   11.111876][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.112050][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.112231][  T196] 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
[   11.112737][  T196] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   11.112913][  T196] RAX: 00000000ffffffa6 RBX: ff11000008ffd1c0 RCX: 1ff4000000126dfc
[   11.113116][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ffd278
[   11.113325][  T196] RBP: ff110000095d1000 R08: 1fe22000011ffa50 R09: ff1100000a308b80
[   11.113534][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.113737][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.113942][  T196] FS:  00007fb9b2126840(0000) GS:ff11000092b30000(0000) knlGS:0000000000000000
[   11.114181][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.114360][  T196] CR2: 000000000042ebe0 CR3: 000000000af89001 CR4: 0000000000771ef0
[   11.114592][  T196] PKRU: 55555554
[   11.114696][  T196] Call Trace:
[   11.114798][  T196]  <TASK>
[   11.114870][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.115008][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.115112][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.115249][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.115399][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.115536][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.115675][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.115814][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.115951][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.116086][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.116225][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.116370][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.116520][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.116659][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.116795][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.116934][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.117070][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.117204][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.117349][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.117493][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.117629][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.117765][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.117900][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.118034][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.118170][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.118309][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.118452][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.118592][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.118730][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.118870][  T196]  ? 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))
[   11.119004][  T196]  ? 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))
[   11.119141][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.119281][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.119424][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.119565][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.119701][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.119838][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.119981][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.120123][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.120260][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.120445][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.120586][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.120724][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.120866][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.121015][  T196]  ? 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))
[   11.121155][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.121298][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.121445][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.121585][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.121725][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.121863][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.122000][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.122136][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.122310][  T196] RIP: 0033:0x7fb9b236008e
[   11.122459][  T196] 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
[   11.122945][  T196] RSP: 002b:00007ffcd944dbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.123155][  T196] RAX: ffffffffffffffda RBX: 00007ffcd944e378 RCX: 00007fb9b236008e
[   11.123367][  T196] RDX: 0000000000000000 RSI: 00007ffcd944dc90 RDI: 0000000000000005
[   11.123576][  T196] RBP: 00007ffcd944dbf0 R08: 0000000000000000 R09: 0000000000000000
[   11.123782][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7a9
[   11.123983][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd944e350
| [   11.428222][  T210] ------------[ cut here ]------------
| [   11.428479][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [   11.428794][  T210] Modules linked in: veth
| [   11.429502][  T210] Tainted: [W]=WARN
[   11.429657][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.429884][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.430127][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.430720][  T210] RSP: 0018:ffa0000000546e30 EFLAGS: 00010286
[   11.430954][  T210] RAX: 00000000ffffffa6 RBX: ff1100000ae92040 RCX: 1ff40000000a8d8c
[   11.431222][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ae920f8
[   11.431600][  T210] RBP: ff11000009b84000 R08: 1fe22000015d2420 R09: ff11000005292e80
[   11.431869][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.432140][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c50dc80
[   11.432432][  T210] FS:  00007f1081840840(0000) GS:ff11000092ab0000(0000) knlGS:0000000000000000
[   11.432735][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.432976][  T210] CR2: 000000000042ebe0 CR3: 000000000bb0e005 CR4: 0000000000771ef0
[   11.433243][  T210] PKRU: 55555554
[   11.433423][  T210] Call Trace:
[   11.433581][  T210]  <TASK>
[   11.433707][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.433905][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.434106][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.434278][  T210]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.434497][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   11.434715][  T210]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.434912][  T210]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.435109][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   11.435312][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.435523][  T210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.435720][  T210]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.435918][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.436119][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.436325][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.436601][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.436800][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.437000][  T210]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.437201][  T210] veth_newlink (drivers/net/veth.c:1871) veth
[   11.437495][  T210]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.437796][  T210]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.438042][  T210]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.438240][  T210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.438551][  T210]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.438752][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.438950][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.439143][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.439357][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.439566][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.439763][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.439952][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.440142][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.440348][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.440561][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.440755][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.440943][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.441135][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.441334][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.441537][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.441736][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.441930][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.442124][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.442327][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.442538][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.442733][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.442929][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.443121][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.443329][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.443540][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.443736][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.443931][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.444120][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.444318][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.444526][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.444715][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.444907][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.445100][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.445299][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.445508][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.445713][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.445906][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.446129][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   11.446336][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   11.446543][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.446738][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.446941][  T210]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.447141][  T210]  __sys_sendmsg (net/socket.c:2784)
[   11.447397][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.447600][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.447800][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.447998][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.448194][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.448414][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.448615][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.448849][  T210] RIP: 0033:0x7f1081a7a08e
[   11.449052][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.449646][  T210] RSP: 002b:00007fff99168960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.449920][  T210] RAX: ffffffffffffffda RBX: 00007fff991690f8 RCX: 00007f1081a7a08e
[   11.450194][  T210] RDX: 0000000000000000 RSI: 00007fff99168a10 RDI: 0000000000000005
[   11.450483][  T210] RBP: 00007fff99168970 R08: 0000000000000000 R09: 0000000000000000
[   11.450754][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7a9
[   11.451022][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff991690d0
| [   11.463525][  T210] ------------[ cut here ]------------
| [   11.463747][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [   11.464037][  T210] Modules linked in: veth
| [   11.464561][  T210] Tainted: [W]=WARN
[   11.464716][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.464937][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.465173][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.465990][  T210] RSP: 0018:ffa00000005471b0 EFLAGS: 00010286
[   11.466213][  T210] RAX: 00000000ffffffa6 RBX: ff11000008ffd380 RCX: 1ff40000000a8dfc
[   11.466492][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ffd438
[   11.466749][  T210] RBP: ff11000007e41000 R08: 1fe22000011ffa88 R09: ff11000005292e80
[   11.467009][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.467260][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.467539][  T210] FS:  00007f1081840840(0000) GS:ff11000092ab0000(0000) knlGS:0000000000000000
[   11.467943][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.468225][  T210] CR2: 000000000042ebe0 CR3: 000000000bb0e005 CR4: 0000000000771ef0
[   11.468614][  T210] PKRU: 55555554
[   11.468827][  T210] Call Trace:
[   11.469042][  T210]  <TASK>
[   11.469203][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.469483][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.469645][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   11.469836][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   11.470024][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.470210][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.470424][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.470615][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.470802][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.470990][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.471176][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.471394][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.471586][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.471774][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.471960][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.472146][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.472351][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.472604][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.472817][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.473007][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.473195][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.473420][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.473614][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.473800][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.473991][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.474175][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.474376][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.474579][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.474764][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.474952][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.475137][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.475339][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.475543][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.475729][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.475948][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.476210][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.476502][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.476776][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.476989][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.477180][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.477427][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   11.477625][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   11.477814][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.478004][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.478201][  T210]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.478426][  T210]  __sys_sendmsg (net/socket.c:2784)
[   11.478620][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.478821][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.479009][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.479277][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.479483][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.479678][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.479867][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.480088][  T210] RIP: 0033:0x7f1081a7a08e
[   11.480295][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.480842][  T210] RSP: 002b:00007fff99168960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.481098][  T210] RAX: ffffffffffffffda RBX: 00007fff991690f8 RCX: 00007f1081a7a08e
[   11.481366][  T210] RDX: 0000000000000000 RSI: 00007fff99168a10 RDI: 0000000000000005
[   11.481634][  T210] RBP: 00007fff99168970 R08: 0000000000000000 R09: 0000000000000000
[   11.481886][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7a9
[   11.482138][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff991690d0
| [   11.709313][  T216] ------------[ cut here ]------------
| [   11.709640][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   11.710049][  T216] Modules linked in: veth
| [   11.710713][  T216] Tainted: [W]=WARN
[   11.710895][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.711186][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.711524][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.712372][  T216] RSP: 0018:ffa00000006d6e30 EFLAGS: 00010286
[   11.712679][  T216] RAX: 00000000ffffffa6 RBX: ff11000009ab1540 RCX: 1ff40000000dad8c
[   11.713046][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ab15f8
[   11.713406][  T216] RBP: ff1100000b931000 R08: 1fe22000013562c0 R09: ff1100000a32ae80
[   11.713754][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.714092][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092aea80
[   11.714457][  T216] FS:  00007f4b2dcfc840(0000) GS:ff11000092b30000(0000) knlGS:0000000000000000
[   11.714868][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.715157][  T216] CR2: 000000000042ebe0 CR3: 0000000008da4002 CR4: 0000000000771ef0
[   11.715630][  T216] PKRU: 55555554
[   11.715804][  T216] Call Trace:
[   11.715984][  T216]  <TASK>
[   11.716110][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.716345][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.716639][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.716817][  T216]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.717044][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   11.717275][  T216]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.717517][  T216]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.717756][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   11.717984][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.718212][  T216]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.718450][  T216]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.718677][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.718905][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.719136][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.719377][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.719613][  T216]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.719841][  T216]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.720070][  T216] veth_newlink (drivers/net/veth.c:1871) veth
[   11.720308][  T216]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.720599][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.720825][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.721058][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.721327][  T216]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.721565][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.721798][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.722026][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.722286][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.722530][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.722768][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.722998][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.723231][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.723489][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.723733][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.723970][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.724201][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.724448][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.724670][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.725103][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.725346][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.725583][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.725811][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.726038][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.726263][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.726509][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.726737][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.726967][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.727203][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.727453][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.727686][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.727925][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.728157][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.728407][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.728643][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.728873][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.729109][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.729349][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.729588][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.729818][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.730050][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.730278][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.730567][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   11.730805][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   11.731030][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.731257][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.731524][  T216]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.731766][  T216]  __sys_sendmsg (net/socket.c:2784)
[   11.732001][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.732230][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.732473][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.732705][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.732928][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.733152][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.733392][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.733666][  T216] RIP: 0033:0x7f4b2df3608e
[   11.733902][  T216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.734753][  T216] RSP: 002b:00007ffd5a0012b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.735112][  T216] RAX: ffffffffffffffda RBX: 00007ffd5a001a48 RCX: 00007f4b2df3608e
[   11.735457][  T216] RDX: 0000000000000000 RSI: 00007ffd5a001360 RDI: 0000000000000005
[   11.735796][  T216] RBP: 00007ffd5a0012c0 R08: 0000000000000000 R09: 0000000000000000
[   11.736137][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7aa
[   11.736492][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a001a20
| [   11.754736][  T216] ------------[ cut here ]------------
| [   11.754998][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   11.755832][  T216] Modules linked in: veth
| [   11.756465][  T216] Tainted: [W]=WARN
[   11.756630][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.756911][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.757201][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.758001][  T216] RSP: 0018:ffa00000006d71b0 EFLAGS: 00010286
[   11.758286][  T216] RAX: 00000000ffffffa6 RBX: ff1100000925e040 RCX: 1ff40000000dadfc
[   11.758629][  T216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000925e0f8
[   11.758955][  T216] RBP: ff110000093d1000 R08: 1fe220000124bc20 R09: ff1100000a32ae80
[   11.759285][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.759619][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.759958][  T216] FS:  00007f4b2dcfc840(0000) GS:ff11000092b30000(0000) knlGS:0000000000000000
[   11.760360][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.760650][  T216] CR2: 000000000042ebe0 CR3: 0000000008da4002 CR4: 0000000000771ef0
[   11.760989][  T216] PKRU: 55555554
[   11.761162][  T216] Call Trace:
[   11.761336][  T216]  <TASK>
[   11.761465][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.761699][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.761869][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[   11.762089][  T216]  ? netif_change_name (net/core/dev.c:1495)
[   11.762320][  T216]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.762552][  T216]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.762783][  T216]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.763006][  T216]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.763234][  T216]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.763471][  T216]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.763720][  T216]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.763948][  T216]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.764178][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.764419][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.764641][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.764883][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.765104][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.765330][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.765569][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.765796][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.766021][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.766247][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.766485][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.766706][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.766935][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.767154][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.767396][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.767617][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.767839][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.768069][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.768294][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.768533][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.768757][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.768972][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.769189][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.769421][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.769631][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.769852][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.770073][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.770295][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.770573][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   11.770789][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   11.771008][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.771258][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.771519][  T216]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.771754][  T216]  __sys_sendmsg (net/socket.c:2784)
[   11.771977][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.772202][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.772444][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.772670][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.772894][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.773114][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.773341][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.773629][  T216] RIP: 0033:0x7f4b2df3608e
[   11.773864][  T216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.774681][  T216] RSP: 002b:00007ffd5a0012b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.775007][  T216] RAX: ffffffffffffffda RBX: 00007ffd5a001a48 RCX: 00007f4b2df3608e
[   11.775342][  T216] RDX: 0000000000000000 RSI: 00007ffd5a001360 RDI: 0000000000000005
[   11.775675][  T216] RBP: 00007ffd5a0012c0 R08: 0000000000000000 R09: 0000000000000000
[   11.776005][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7aa
[   11.776330][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a001a20
| [   11.971507][  T222] ------------[ cut here ]------------
| [   11.971707][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/222
| [   11.971962][  T222] Modules linked in: veth
| [   11.972390][  T222] Tainted: [W]=WARN
[   11.972500][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.972685][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.972877][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.973397][  T222] RSP: 0018:ffa00000006b6e30 EFLAGS: 00010286
[   11.973586][  T222] RAX: 00000000ffffffa6 RBX: ff11000009591a80 RCX: 1ff40000000d6d8c
[   11.973801][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009591b38
[   11.974016][  T222] RBP: ff1100000d379000 R08: 1fe22000012b2368 R09: ff1100000a195180
[   11.974241][  T222] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.974468][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5c8780
[   11.974686][  T222] FS:  00007eff376c4840(0000) GS:ff11000092a30000(0000) knlGS:0000000000000000
[   11.974942][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.975131][  T222] CR2: 000000000042ebe0 CR3: 000000000b9a0004 CR4: 0000000000771ef0
[   11.975353][  T222] PKRU: 55555554
[   11.975473][  T222] Call Trace:
[   11.975580][  T222]  <TASK>
[   11.975655][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.975808][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.975919][  T222]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.976100][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   11.976245][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   11.976415][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.976563][  T222]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.976710][  T222]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.976855][  T222]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.977001][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.977145][  T222]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.977332][  T222]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.977481][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.977627][  T222]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.977772][  T222] veth_newlink (drivers/net/veth.c:1871) veth
[   11.977918][  T222]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.978098][  T222]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.978245][  T222]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.978405][  T222]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.978575][  T222]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.978726][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.978872][  T222]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.979017][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.979163][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.979314][  T222]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.979493][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.979642][  T222]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.979789][  T222]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.979945][  T222]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.980102][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.980251][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.980410][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.980562][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.980711][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.980859][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.981012][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.981162][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.981316][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.981470][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.981620][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.981767][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.981918][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.982066][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.982213][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.982378][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.982528][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.982676][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.982819][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.982963][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.983109][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.983254][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.983530][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.983675][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.983820][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.983965][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.984109][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.984254][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.984448][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   11.984598][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   11.984745][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.984889][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.985043][  T222]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.985191][  T222]  __sys_sendmsg (net/socket.c:2784)
[   11.985341][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.985494][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.985638][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.985784][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.985930][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.986076][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.986220][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.986412][  T222] RIP: 0033:0x7eff378fe08e
[   11.986563][  T222] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.987076][  T222] RSP: 002b:00007ffc83087eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.987300][  T222] RAX: ffffffffffffffda RBX: 00007ffc83088648 RCX: 00007eff378fe08e
[   11.987528][  T222] RDX: 0000000000000000 RSI: 00007ffc83087f60 RDI: 0000000000000005
[   11.987743][  T222] RBP: 00007ffc83087ec0 R08: 0000000000000000 R09: 0000000000000000
[   11.987958][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7aa
[   11.988173][  T222] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc83088620
| [   11.996720][  T222] ------------[ cut here ]------------
| [   11.996902][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/222
| [   11.997151][  T222] Modules linked in: veth
| [   11.997553][  T222] Tainted: [W]=WARN
[   11.997658][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.997833][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.998016][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.998525][  T222] RSP: 0018:ffa00000006b71b0 EFLAGS: 00010286
[   11.998701][  T222] RAX: 00000000ffffffa6 RBX: ff1100000aca63c0 RCX: 1ff40000000d6dfc
[   11.998910][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aca6478
[   11.999121][  T222] RBP: ff1100000ba84000 R08: 1fe2200001594c90 R09: ff1100000a195180
[   11.999332][  T222] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.999549][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.999792][  T222] FS:  00007eff376c4840(0000) GS:ff11000092a30000(0000) knlGS:0000000000000000
[   12.000079][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.000256][  T222] CR2: 000000000042ebe0 CR3: 000000000b9a0004 CR4: 0000000000771ef0
[   12.000487][  T222] PKRU: 55555554
[   12.000594][  T222] Call Trace:
[   12.000702][  T222]  <TASK>
[   12.000775][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.000919][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.001026][  T222]  __dev_notify_flags (net/core/dev.c:9787)
[   12.001171][  T222]  ? netif_change_name (net/core/dev.c:1495)
[   12.001318][  T222]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.001463][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.001607][  T222]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.001751][  T222]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.001894][  T222]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.002032][  T222]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.002171][  T222]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.002326][  T222]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.002478][  T222]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.002618][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.002762][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.002903][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.003041][  T222]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.003188][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.003348][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.003501][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.003647][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.003794][  T222]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.003938][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.004084][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.004231][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.004390][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.004546][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.004689][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.004833][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.004980][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.005122][  T222]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.005264][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.005424][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.005563][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.005721][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.005862][  T222]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.006003][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.006151][  T222]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.006299][  T222]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.006445][  T222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.006620][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   12.006768][  T222]  ___sys_sendmsg (net/socket.c:2752)
[   12.006907][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.007045][  T222]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.007196][  T222]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.007345][  T222]  __sys_sendmsg (net/socket.c:2784)
[   12.007489][  T222]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.007636][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.007775][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.007915][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.008055][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.008203][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.008352][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.008539][  T222] RIP: 0033:0x7eff378fe08e
[   12.008693][  T222] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.009226][  T222] RSP: 002b:00007ffc83087eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.009455][  T222] RAX: ffffffffffffffda RBX: 00007ffc83088648 RCX: 00007eff378fe08e
[   12.009674][  T222] RDX: 0000000000000000 RSI: 00007ffc83087f60 RDI: 0000000000000005
[   12.009889][  T222] RBP: 00007ffc83087ec0 R08: 0000000000000000 R09: 0000000000000000
[   12.010107][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7aa


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