======================================
| xx__-> [   11.388429][  T186] ------------[ cut here ]------------
| [   11.388758][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   11.389105][  T186] Modules linked in: veth
| [   11.389734][  T186] Tainted: [W]=WARN
[   11.389985][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.390323][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.390607][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.391229][  T186] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[   11.391503][  T186] RAX: 00000000ffffffa6 RBX: ff1100000ca80ac0 RCX: 1ff400000010ed8c
[   11.391807][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca80b78
[   11.392100][  T186] RBP: ff11000008041000 R08: 1fe2200001950170 R09: ff11000004abd180
[   11.392505][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.392868][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008dc8780
[   11.393178][  T186] FS:  00007fbabd073840(0000) GS:ff110000a70b0000(0000) knlGS:0000000000000000
[   11.393531][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.393798][  T186] CR2: 00005607d54b3d50 CR3: 000000000dac3001 CR4: 0000000000771ef0
[   11.394102][  T186] PKRU: 55555554
[   11.394307][  T186] Call Trace:
[   11.394502][  T186]  <TASK>
[   11.394648][  T186]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   11.394886][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.395116][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.395315][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.395533][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.395739][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.395948][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.396160][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.396393][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.396606][  T186]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   11.396874][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.397097][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.397336][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.397564][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.397821][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.398045][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.398282][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.398530][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.398742][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.398963][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.399165][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.399395][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.399625][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.399865][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.400084][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.400326][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.400552][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.400782][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.400999][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.401219][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.401453][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.401725][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.401944][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.402163][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.402400][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.402616][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.402838][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.403040][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.403270][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.403506][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.403721][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.403949][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.404160][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.404398][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.404619][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.404841][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.405074][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.405306][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.405529][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.405748][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.405966][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.406172][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.406400][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.406614][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.406833][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.407083][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.407379][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.407653][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.407936][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.408250][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.408525][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.408811][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.409083][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.409381][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.409656][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.409939][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.410213][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.410508][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.410798][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.411073][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.411422][  T186] RIP: 0033:0x7fbabd2ad08e
[   11.411708][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.412558][  T186] RSP: 002b:00007ffdf7964770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.412958][  T186] RAX: ffffffffffffffda RBX: 00007ffdf7964f08 RCX: 00007fbabd2ad08e
[   11.413354][  T186] RDX: 0000000000000000 RSI: 00007ffdf7964820 RDI: 0000000000000005
[   11.413736][  T186] RBP: 00007ffdf7964780 R08: 0000000000000000 R09: 0000000000000000
[   11.414124][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c750
[   11.414519][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf7964ee0
| [   11.425360][  T186] ------------[ cut here ]------------
| [   11.425577][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   11.425883][  T186] Modules linked in: veth
| [   11.426355][  T186] Tainted: [W]=WARN
[   11.426487][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.426687][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.426902][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.427461][  T186] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[   11.427660][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b490c80 RCX: 1ff400000010edfc
[   11.427902][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b490d38
[   11.428118][  T186] RBP: ff11000002849000 R08: 1fe22000016921a8 R09: ff11000004abd180
[   11.428343][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.428563][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.428795][  T186] FS:  00007fbabd073840(0000) GS:ff110000a7030000(0000) knlGS:0000000000000000
[   11.429048][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.429225][  T186] CR2: 00005607d54b3d50 CR3: 000000000dac3006 CR4: 0000000000771ef0
[   11.429446][  T186] PKRU: 55555554
[   11.429552][  T186] Call Trace:
[   11.429665][  T186]  <TASK>
[   11.429739][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.429895][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.430008][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.430150][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.430306][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.430451][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.430603][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.430763][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.430926][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.431074][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.431221][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.431385][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.431536][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.431686][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.431834][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.431981][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.432127][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.432283][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.432432][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.432576][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.432723][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.432870][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.433007][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.433151][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.433299][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.433442][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.433584][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.433732][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.433885][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.434034][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.434179][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.434330][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.434476][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.434624][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.434779][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.434935][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.435081][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.435226][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.435372][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.435519][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.435698][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.435861][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.436011][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.436160][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.436325][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.436473][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.436622][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.436770][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.436926][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.437073][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.437222][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.437378][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.437521][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.437676][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.437834][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.438032][  T186] RIP: 0033:0x7fbabd2ad08e
[   11.438191][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.438714][  T186] RSP: 002b:00007ffdf7964770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.438943][  T186] RAX: ffffffffffffffda RBX: 00007ffdf7964f08 RCX: 00007fbabd2ad08e
[   11.439161][  T186] RDX: 0000000000000000 RSI: 00007ffdf7964820 RDI: 0000000000000005
[   11.439379][  T186] RBP: 00007ffdf7964780 R08: 0000000000000000 R09: 0000000000000000
[   11.439600][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c750
[   11.439828][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf7964ee0
| [   11.629580][  T197] ------------[ cut here ]------------
| [   11.629826][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/197
| [   11.630127][  T197] Modules linked in: veth
| [   11.630572][  T197] Tainted: [W]=WARN
[   11.630687][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.630905][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.631130][  T197] 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
[   11.631693][  T197] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[   11.631886][  T197] RAX: 00000000ffffffa6 RBX: ff1100000b415700 RCX: 1ff400000010ed8c
[   11.632114][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b4157b8
[   11.632355][  T197] RBP: ff11000007d51000 R08: 1fe2200001682af8 R09: ff1100000ca5ae80
[   11.632588][  T197] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.632820][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b39d900
[   11.633047][  T197] FS:  00007fe638e36840(0000) GS:ff110000a6fb0000(0000) knlGS:0000000000000000
[   11.633354][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.633553][  T197] CR2: 00005607d5368928 CR3: 000000000c631002 CR4: 0000000000771ef0
[   11.633806][  T197] PKRU: 55555554
[   11.633930][  T197] Call Trace:
[   11.634051][  T197]  <TASK>
[   11.634145][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.634328][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.634448][  T197]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.634674][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   11.634861][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   11.635027][  T197]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.635175][  T197]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.635400][  T197]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.635615][  T197]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.635791][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.635944][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.636092][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.636243][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.636393][  T197]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.636549][  T197] veth_newlink (drivers/net/veth.c:1871) veth
[   11.636702][  T197]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.636901][  T197]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.637057][  T197]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.637205][  T197]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.637377][  T197]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.637532][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.637685][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.637835][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.637985][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.638140][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.638293][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.638442][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.638594][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.638753][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.638920][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.639085][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.639253][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.639426][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.639585][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.639743][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.639947][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.640111][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.640275][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.640437][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.640588][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.640754][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.640916][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.641076][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.641246][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.641410][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.641571][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.641739][  T197]  ? 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))
[   11.641904][  T197]  ? 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))
[   11.642058][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.642213][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.642378][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.642547][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.642715][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.642878][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.643052][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.643222][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.643396][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.643604][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   11.643768][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   11.643940][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.644126][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.644309][  T197]  ? 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))
[   11.644478][  T197]  __sys_sendmsg (net/socket.c:2784)
[   11.644636][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.644808][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.644976][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.645138][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.645306][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.645461][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.645621][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.645815][  T197] RIP: 0033:0x7fe63907008e
[   11.645985][  T197] 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
[   11.646579][  T197] RSP: 002b:00007ffe1e793a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.646831][  T197] RAX: ffffffffffffffda RBX: 00007ffe1e7941a8 RCX: 00007fe63907008e
[   11.647080][  T197] RDX: 0000000000000000 RSI: 00007ffe1e793ac0 RDI: 0000000000000005
[   11.647336][  T197] RBP: 00007ffe1e793a20 R08: 0000000000000000 R09: 0000000000000000
[   11.647576][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c750
[   11.647836][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1e794180
| [   11.670327][  T197] ------------[ cut here ]------------
| [   11.670530][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/197
| [   11.670814][  T197] Modules linked in: veth
| [   11.671239][  T197] Tainted: [W]=WARN
[   11.671350][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.671532][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.671727][  T197] 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
[   11.672253][  T197] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[   11.672435][  T197] RAX: 00000000ffffffa6 RBX: ff11000009035a80 RCX: 1ff400000010edfc
[   11.672655][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009035b38
[   11.672876][  T197] RBP: ff1100000a1d4000 R08: 1fe2200001206b68 R09: ff1100000ca5ae80
[   11.673086][  T197] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.673317][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.673538][  T197] FS:  00007fe638e36840(0000) GS:ff110000a7130000(0000) knlGS:0000000000000000
[   11.673798][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.673984][  T197] CR2: 00007f8dba317388 CR3: 000000000c631001 CR4: 0000000000771ef0
[   11.674206][  T197] PKRU: 55555554
[   11.674318][  T197] Call Trace:
[   11.674428][  T197]  <TASK>
[   11.674504][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.674651][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.674757][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   11.674903][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   11.675047][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.675194][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.675347][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.675496][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.675642][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.675863][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.676012][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.676162][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.676317][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.676469][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.676624][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.676796][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.676984][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.677140][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.677317][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.677475][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.677639][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.677801][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.677955][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.678110][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.678275][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.678432][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.678598][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.678759][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.678942][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.679098][  T197]  ? 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))
[   11.679257][  T197]  ? 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))
[   11.679407][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.679561][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.679713][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.679867][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.680022][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.680171][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.680328][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.680480][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.680626][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.680814][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   11.680967][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   11.681115][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.681265][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.681423][  T197]  ? 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))
[   11.681585][  T197]  __sys_sendmsg (net/socket.c:2784)
[   11.681738][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.681903][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.682053][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.682206][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.682365][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.682528][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.682697][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.682894][  T197] RIP: 0033:0x7fe63907008e
[   11.683061][  T197] 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
[   11.683616][  T197] RSP: 002b:00007ffe1e793a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.683849][  T197] RAX: ffffffffffffffda RBX: 00007ffe1e7941a8 RCX: 00007fe63907008e
[   11.684067][  T197] RDX: 0000000000000000 RSI: 00007ffe1e793ac0 RDI: 0000000000000005
[   11.684290][  T197] RBP: 00007ffe1e793a20 R08: 0000000000000000 R09: 0000000000000000
[   11.684521][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c750
[   11.684738][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1e794180
| [   11.990334][  T211] ------------[ cut here ]------------
| [   11.990518][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   11.990792][  T211] Modules linked in: veth
| [   11.991223][  T211] Tainted: [W]=WARN
[   11.991342][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.991531][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.991738][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.992298][  T211] RSP: 0018:ffa0000000666e30 EFLAGS: 00010286
[   11.992495][  T211] RAX: 00000000ffffffa6 RBX: ff1100000b490740 RCX: 1ff40000000ccd8c
[   11.992731][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b4907f8
[   11.992979][  T211] RBP: ff11000008964000 R08: 1fe2200001692100 R09: ff1100000d878b80
[   11.993201][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.993446][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000561c780
[   11.993663][  T211] FS:  00007fdb53e8f840(0000) GS:ff110000a7130000(0000) knlGS:0000000000000000
[   11.993989][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.994211][  T211] CR2: 000000000042ebe0 CR3: 000000000b7e1005 CR4: 0000000000771ef0
[   11.994435][  T211] PKRU: 55555554
[   11.994545][  T211] Call Trace:
[   11.994652][  T211]  <TASK>
[   11.994726][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.994891][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.995043][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.995152][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.995302][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.995447][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.995593][  T211]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.995735][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.995884][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.996028][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.996174][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.996334][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.996488][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.996639][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.996793][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.996939][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.997088][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.997242][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   11.997389][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.997563][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.997712][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.997861][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.998020][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.998163][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.998315][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.998599][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.998745][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.998894][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.999039][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.999188][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.999337][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.999485][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.999639][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.999790][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.999970][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.000120][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.000269][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.000416][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.000564][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.000711][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.000861][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.001013][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.001156][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.001304][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.001450][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.001612][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.001758][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.001911][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.002055][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.002209][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.002368][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.002515][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.002658][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.002810][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.002957][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.003103][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.003251][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.003398][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.003543][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.003700][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.003894][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   12.004052][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   12.004205][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.004353][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.004511][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.004667][  T211]  __sys_sendmsg (net/socket.c:2784)
[   12.004823][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.004987][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.005151][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.005316][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.005470][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.005624][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.005774][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.005963][  T211] RIP: 0033:0x7fdb540c908e
[   12.006116][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.006658][  T211] RSP: 002b:00007ffedd1e6c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.006898][  T211] RAX: ffffffffffffffda RBX: 00007ffedd1e7428 RCX: 00007fdb540c908e
[   12.007123][  T211] RDX: 0000000000000000 RSI: 00007ffedd1e6d40 RDI: 0000000000000005
[   12.007359][  T211] RBP: 00007ffedd1e6ca0 R08: 0000000000000000 R09: 0000000000000000
[   12.007594][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c751
[   12.007831][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedd1e7400
| [   12.023177][  T211] ------------[ cut here ]------------
| [   12.023419][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   12.023714][  T211] Modules linked in: veth
| [   12.024146][  T211] Tainted: [W]=WARN
[   12.024270][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.024461][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.024700][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.025307][  T211] RSP: 0018:ffa00000006671b0 EFLAGS: 00010286
[   12.025502][  T211] RAX: 00000000ffffffa6 RBX: ff11000004f09000 RCX: 1ff40000000ccdfc
[   12.025781][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f090b8
[   12.026026][  T211] RBP: ff11000008961000 R08: 1fe22000009e1218 R09: ff1100000d878b80
[   12.026277][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.026522][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.026754][  T211] FS:  00007fdb53e8f840(0000) GS:ff110000a7130000(0000) knlGS:0000000000000000
[   12.027030][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.027248][  T211] CR2: 000000000042ebe0 CR3: 000000000b7e1005 CR4: 0000000000771ef0
[   12.027498][  T211] PKRU: 55555554
[   12.027612][  T211] Call Trace:
[   12.027725][  T211]  <TASK>
[   12.027814][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.027975][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.028090][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   12.028261][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   12.028414][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.028567][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.028739][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.028901][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.029059][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.029246][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.029401][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.029576][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.029729][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.029918][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.030082][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.030243][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.030438][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.030599][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.030784][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.030936][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.031099][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.031273][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.031431][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.031596][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.031763][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.031925][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.032085][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.032278][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.032455][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.032621][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.032790][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.032975][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.033145][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.033337][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.033529][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.033708][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.033877][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.034061][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.034230][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.034433][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.034629][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   12.034814][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   12.034994][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.035152][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.035461][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.035642][  T211]  __sys_sendmsg (net/socket.c:2784)
[   12.035818][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.035994][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.036177][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.036416][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.036572][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.036729][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.036883][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.037084][  T211] RIP: 0033:0x7fdb540c908e
[   12.037331][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.038042][  T211] RSP: 002b:00007ffedd1e6c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.038413][  T211] RAX: ffffffffffffffda RBX: 00007ffedd1e7428 RCX: 00007fdb540c908e
[   12.038676][  T211] RDX: 0000000000000000 RSI: 00007ffedd1e6d40 RDI: 0000000000000005
[   12.038933][  T211] RBP: 00007ffedd1e6ca0 R08: 0000000000000000 R09: 0000000000000000
[   12.039176][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c751
[   12.039530][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedd1e7400
| [   12.252037][  T219] ------------[ cut here ]------------
| [   12.252429][  T219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/219
| [   12.252699][  T219] Modules linked in: veth
| [   12.253140][  T219] Tainted: [W]=WARN
[   12.253262][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.253465][  T219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.253671][  T219] 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
[   12.254211][  T219] RSP: 0018:ffa0000000566e30 EFLAGS: 00010286
[   12.254414][  T219] RAX: 00000000ffffffa6 RBX: ff1100000cf7d540 RCX: 1ff40000000acd8c
[   12.254656][  T219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf7d5f8
[   12.254884][  T219] RBP: ff1100000cda9000 R08: 1fe22000019efac0 R09: ff1100000cd7d180
[   12.255104][  T219] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.255355][  T219] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf86700
[   12.255578][  T219] FS:  00007fe03b2d2840(0000) GS:ff110000a7130000(0000) knlGS:0000000000000000
[   12.255840][  T219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.256024][  T219] CR2: 000000000042ebe0 CR3: 000000000d9c8002 CR4: 0000000000771ef0
[   12.256250][  T219] PKRU: 55555554
[   12.256371][  T219] Call Trace:
[   12.256480][  T219]  <TASK>
[   12.256559][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.256707][  T219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.256859][  T219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.256974][  T219]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.257124][  T219]  __dev_notify_flags (net/core/dev.c:9787)
[   12.257378][  T219]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.257557][  T219]  ? 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)
[   12.257714][  T219]  ? netif_change_name (net/core/dev.c:1495)
[   12.257882][  T219]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.258031][  T219]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.258183][  T219]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.258399][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.258554][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.258712][  T219]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.258883][  T219]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.259039][  T219]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.259190][  T219]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.259353][  T219] veth_newlink (drivers/net/veth.c:1871) veth
[   12.259510][  T219]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.259719][  T219]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.259898][  T219]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.260052][  T219]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.260213][  T219]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.260367][  T219]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.260510][  T219]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.260656][  T219]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.260810][  T219]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.260954][  T219]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.261100][  T219]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.261247][  T219]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.261388][  T219]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.261533][  T219]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.261681][  T219]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.261829][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.261973][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.262114][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.262265][  T219]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.262406][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.262558][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.262700][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.262844][  T219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.262985][  T219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.263126][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.263272][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.263414][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.263558][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.263700][  T219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.263847][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.263987][  T219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.264130][  T219]  ? 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))
[   12.264275][  T219]  ? 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))
[   12.264418][  T219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.264558][  T219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.264699][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.264847][  T219]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.264988][  T219]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.265129][  T219]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.265279][  T219]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.265432][  T219]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.265572][  T219]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.265749][  T219]  ? move_addr_to_kernel (net/socket.c:258)
[   12.265901][  T219]  ___sys_sendmsg (net/socket.c:2752)
[   12.266044][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.266185][  T219]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.266343][  T219]  ? 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))
[   12.266486][  T219]  __sys_sendmsg (net/socket.c:2784)
[   12.266627][  T219]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.266776][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.266924][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.267067][  T219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.267210][  T219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.267358][  T219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.267500][  T219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.267680][  T219] RIP: 0033:0x7fe03b50c08e
[   12.267842][  T219] 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
[   12.268376][  T219] RSP: 002b:00007ffe4d2ff090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.268609][  T219] RAX: ffffffffffffffda RBX: 00007ffe4d2ff828 RCX: 00007fe03b50c08e
[   12.268835][  T219] RDX: 0000000000000000 RSI: 00007ffe4d2ff140 RDI: 0000000000000005
[   12.269051][  T219] RBP: 00007ffe4d2ff0a0 R08: 0000000000000000 R09: 0000000000000000
[   12.269287][  T219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c751
[   12.269505][  T219] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4d2ff800
| [   12.289860][  T219] ------------[ cut here ]------------
| [   12.290031][  T219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/219
| [   12.290311][  T219] Modules linked in: veth
| [   12.290706][  T219] Tainted: [W]=WARN
[   12.290830][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.291007][  T219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.291194][  T219] 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
[   12.292209][  T219] RSP: 0018:ffa00000005671b0 EFLAGS: 00010286
[   12.292417][  T219] RAX: 00000000ffffffa6 RBX: ff11000009546740 RCX: 1ff40000000acdfc
[   12.292636][  T219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095467f8
[   12.292866][  T219] RBP: ff1100000c7cc000 R08: 1fe22000012a8d00 R09: ff1100000cd7d180
[   12.293072][  T219] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.293285][  T219] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.293496][  T219] FS:  00007fe03b2d2840(0000) GS:ff110000a7130000(0000) knlGS:0000000000000000
[   12.293739][  T219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.293927][  T219] CR2: 000000000042ebe0 CR3: 000000000d9c8002 CR4: 0000000000771ef0
[   12.294137][  T219] PKRU: 55555554
[   12.294247][  T219] Call Trace:
[   12.294352][  T219]  <TASK>
[   12.294426][  T219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.294573][  T219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.294679][  T219]  __dev_notify_flags (net/core/dev.c:9787)
[   12.294824][  T219]  ? netif_change_name (net/core/dev.c:1495)
[   12.294973][  T219]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.295122][  T219]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.295328][  T219]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.295520][  T219]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.295667][  T219]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.295824][  T219]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.295982][  T219]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.296133][  T219]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.296293][  T219]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.296441][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.296584][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.296727][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.296872][  T219]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.297011][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.297160][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.297314][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.297458][  T219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.297599][  T219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.297738][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.297891][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.298037][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.298175][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.298319][  T219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.298459][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.298601][  T219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.298745][  T219]  ? 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))
[   12.298890][  T219]  ? 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))
[   12.299034][  T219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.299175][  T219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.299316][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.299458][  T219]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.299598][  T219]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.299740][  T219]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.299888][  T219]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.300034][  T219]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.300171][  T219]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.300355][  T219]  ? move_addr_to_kernel (net/socket.c:258)
[   12.300497][  T219]  ___sys_sendmsg (net/socket.c:2752)
[   12.300636][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.300790][  T219]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.300948][  T219]  ? 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))
[   12.301088][  T219]  __sys_sendmsg (net/socket.c:2784)
[   12.301226][  T219]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.301374][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.301514][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.301662][  T219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.301832][  T219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.301971][  T219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.302111][  T219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.302290][  T219] RIP: 0033:0x7fe03b50c08e
[   12.302436][  T219] 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
[   12.302940][  T219] RSP: 002b:00007ffe4d2ff090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.303155][  T219] RAX: ffffffffffffffda RBX: 00007ffe4d2ff828 RCX: 00007fe03b50c08e
[   12.303375][  T219] RDX: 0000000000000000 RSI: 00007ffe4d2ff140 RDI: 0000000000000005
[   12.303594][  T219] RBP: 00007ffe4d2ff0a0 R08: 0000000000000000 R09: 0000000000000000
[   12.303807][  T219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c751
[   12.304014][  T219] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4d2ff800
| [   12.501595][  T229] ------------[ cut here ]------------
| [   12.501818][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/229
| [   12.502107][  T229] Modules linked in: veth
| [   12.502877][  T229] Tainted: [W]=WARN
[   12.502999][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.503201][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.503425][  T229] 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
[   12.503998][  T229] RSP: 0018:ffa00000006c6e30 EFLAGS: 00010286
[   12.504193][  T229] RAX: 00000000ffffffa6 RBX: ff11000004fca740 RCX: 1ff40000000d8d8c
[   12.504420][  T229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004fca7f8
[   12.504640][  T229] RBP: ff1100000ccd9000 R08: 1fe22000009f9500 R09: ff1100000d828b80
[   12.504868][  T229] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.505085][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094dd580
[   12.505319][  T229] FS:  00007f0176482840(0000) GS:ff110000a7130000(0000) knlGS:0000000000000000
[   12.505576][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.505759][  T229] CR2: 000000000042ebe0 CR3: 000000000b7e5003 CR4: 0000000000771ef0
[   12.505984][  T229] PKRU: 55555554
[   12.506091][  T229] Call Trace:
[   12.506199][  T229]  <TASK>
[   12.506281][  T229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.506432][  T229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.506541][  T229]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.506727][  T229]  __dev_notify_flags (net/core/dev.c:9787)
[   12.506876][  T229]  ? netif_change_name (net/core/dev.c:1495)
[   12.507019][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.507175][  T229]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.507328][  T229]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.507475][  T229]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.507620][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.507770][  T229]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.507919][  T229]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.508098][  T229]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.508251][  T229]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.508399][  T229] veth_newlink (drivers/net/veth.c:1871) veth
[   12.508549][  T229]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.508726][  T229]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.508891][  T229]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.509035][  T229]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.509201][  T229]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.509352][  T229]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.509499][  T229]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.509649][  T229]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.509802][  T229]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.509949][  T229]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.510097][  T229]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.510249][  T229]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.510398][  T229]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.510552][  T229]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.510702][  T229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.510854][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.510998][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.511142][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.511291][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.511448][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.511613][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.511765][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.511926][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.512079][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.512247][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.512407][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.512563][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.512718][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.512878][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.513035][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.513185][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.513349][  T229]  ? 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))
[   12.513502][  T229]  ? 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))
[   12.513658][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.513810][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.513984][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.514131][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.514286][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.514434][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.514583][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.514734][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.514883][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.515062][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   12.515229][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   12.515391][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.515547][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.515724][  T229]  ? 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))
[   12.515908][  T229]  __sys_sendmsg (net/socket.c:2784)
[   12.516054][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.516202][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.516353][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.516498][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.516642][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.516793][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.516938][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.517118][  T229] RIP: 0033:0x7f01766bc08e
[   12.517279][  T229] 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
[   12.517804][  T229] RSP: 002b:00007ffeda378bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.518043][  T229] RAX: ffffffffffffffda RBX: 00007ffeda379368 RCX: 00007f01766bc08e
[   12.518267][  T229] RDX: 0000000000000000 RSI: 00007ffeda378c80 RDI: 0000000000000005
[   12.518490][  T229] RBP: 00007ffeda378be0 R08: 0000000000000000 R09: 0000000000000000
[   12.518712][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c751
[   12.518932][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeda379340
| [   12.548534][  T229] ------------[ cut here ]------------
| [   12.548906][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/229
| [   12.549421][  T229] Modules linked in: veth
| [   12.550201][  T229] Tainted: [W]=WARN
[   12.550472][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.550854][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.551195][  T229] 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
[   12.551734][  T229] RSP: 0018:ffa00000006c71b0 EFLAGS: 00010286
[   12.551926][  T229] RAX: 00000000ffffffa6 RBX: ff1100000b5f0200 RCX: 1ff40000000d8dfc
[   12.552160][  T229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b5f02b8
[   12.552624][  T229] RBP: ff1100000cc6c000 R08: 1fe22000016be058 R09: ff1100000d828b80
[   12.553067][  T229] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.553498][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.553900][  T229] FS:  00007f0176482840(0000) GS:ff110000a7130000(0000) knlGS:0000000000000000
[   12.554396][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.554816][  T229] CR2: 000000000042ebe0 CR3: 000000000b7e5003 CR4: 0000000000771ef0
[   12.555279][  T229] PKRU: 55555554
[   12.555490][  T229] Call Trace:
[   12.555704][  T229]  <TASK>
[   12.555839][  T229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.556123][  T229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.557184][  T229]  __dev_notify_flags (net/core/dev.c:9787)
[   12.557492][  T229]  ? netif_change_name (net/core/dev.c:1495)
[   12.557744][  T229]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.558035][  T229]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.558362][  T229]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.558650][  T229]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.558940][  T229]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.559221][  T229]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.559504][  T229]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.559823][  T229]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.560122][  T229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.560427][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.560739][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.561028][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.561192][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.561343][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.561501][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.561686][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.561854][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.562008][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.562203][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.562427][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.562644][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.562860][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.563081][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.563313][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.563522][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.563697][  T229]  ? 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))
[   12.563847][  T229]  ? 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))
[   12.563993][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.564138][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.564288][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.564443][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.564604][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.564749][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.564908][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.565063][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.565205][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.565389][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   12.565537][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   12.565681][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.565832][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.565984][  T229]  ? 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))
[   12.566134][  T229]  __sys_sendmsg (net/socket.c:2784)
[   12.566283][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.566431][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.566582][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.566735][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.566885][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.567032][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.567176][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.567365][  T229] RIP: 0033:0x7f01766bc08e
[   12.567519][  T229] 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
[   12.568048][  T229] RSP: 002b:00007ffeda378bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.568273][  T229] RAX: ffffffffffffffda RBX: 00007ffeda379368 RCX: 00007f01766bc08e
[   12.568488][  T229] RDX: 0000000000000000 RSI: 00007ffeda378c80 RDI: 0000000000000005
[   12.568703][  T229] RBP: 00007ffeda378be0 R08: 0000000000000000 R09: 0000000000000000
[   12.568925][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c751


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