======================================
| xx__-> [    9.195338][  T185] ------------[ cut here ]------------
| [    9.195575][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.196030][  T185] Modules linked in: veth
| [    9.196653][  T185] Tainted: [W]=WARN
[    9.196761][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.196948][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.197284][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.197910][  T185] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[    9.198197][  T185] RAX: 00000000ffffffa6 RBX: ff1100000d253540 RCX: 1ff400000010ad8c
[    9.198410][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d2535f8
[    9.198662][  T185] RBP: ff11000009001000 R08: 1fe2200001a4a6c0 R09: ff1100000d162e80
[    9.198886][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.199203][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000033baa80
[    9.199415][  T185] FS:  00007f4bf9060840(0000) GS:ff11000099930000(0000) knlGS:0000000000000000
[    9.199664][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.199950][  T185] CR2: 000000000042ebe0 CR3: 000000000c255006 CR4: 0000000000771ef0
[    9.200174][  T185] PKRU: 55555554
[    9.200375][  T185] Call Trace:
[    9.200482][  T185]  <TASK>
[    9.200555][  T185]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.200699][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.200945][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.201156][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.201301][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.201442][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.201677][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.201817][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.201966][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.202217][  T185]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.202393][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.202539][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.202682][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.202825][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.203007][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.203163][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.203305][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.203465][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.203702][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.203947][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.204092][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.204240][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.204383][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.204525][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.204664][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.204906][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.205160][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.205400][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.205636][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.205878][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.206021][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.206171][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.206311][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.206458][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.206600][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.206740][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.206889][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.207030][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.207276][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.207418][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.207559][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.207701][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.207848][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.207991][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.208146][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.208287][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.208430][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.208573][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.208714][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.208862][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.209006][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.209154][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.209299][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.209441][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.209675][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.209856][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.210003][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.210151][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.210292][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.210539][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.210679][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.210819][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.210968][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.211214][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.211358][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.211500][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.211642][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.211783][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.211932][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.212077][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.212255][  T185] RIP: 0033:0x7f4bf929a08e
[    9.212403][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.213220][  T185] RSP: 002b:00007fff920ea470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.213435][  T185] RAX: ffffffffffffffda RBX: 00007fff920eac08 RCX: 00007f4bf929a08e
[    9.213645][  T185] RDX: 0000000000000000 RSI: 00007fff920ea520 RDI: 0000000000000005
[    9.213862][  T185] RBP: 00007fff920ea480 R08: 0000000000000000 R09: 0000000000000000
[    9.214276][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce02
[    9.214486][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff920eabe0
| [    9.224938][  T185] ------------[ cut here ]------------
| [    9.225096][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.225536][  T185] Modules linked in: veth
| [    9.225931][  T185] Tainted: [W]=WARN
[    9.226036][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.226219][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.226398][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.226892][  T185] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[    9.227071][  T185] RAX: 00000000ffffffa6 RBX: ff11000002151700 RCX: 1ff400000010adfc
[    9.227284][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000021517b8
[    9.227491][  T185] RBP: ff11000005f99000 R08: 1fe220000042a2f8 R09: ff1100000d162e80
[    9.227695][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.227906][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.228114][  T185] FS:  00007f4bf9060840(0000) GS:ff11000099930000(0000) knlGS:0000000000000000
[    9.228360][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.228535][  T185] CR2: 000000000042ebe0 CR3: 000000000c255006 CR4: 0000000000771ef0
[    9.228742][  T185] PKRU: 55555554
[    9.228851][  T185] Call Trace:
[    9.228955][  T185]  <TASK>
[    9.229026][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.229180][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.229286][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.229427][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.229566][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.229705][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.229853][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.229994][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.230145][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.230284][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.230422][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.230564][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.230706][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.230850][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.230989][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.231132][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.231275][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.231412][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.231554][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.231691][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.231827][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.231970][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.232110][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.232251][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.232388][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.232524][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.232661][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.232796][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.232940][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.233082][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.233222][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.233359][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.233495][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.233632][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.233767][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.233910][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.234047][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.234198][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.234336][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.234474][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.234646][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.234788][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.234931][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235071][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.235229][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.235367][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.235502][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.235639][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235778][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.235923][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.236061][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.236208][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.236345][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.236482][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.236620][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.236792][  T185] RIP: 0033:0x7f4bf929a08e
[    9.236946][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.237442][  T185] RSP: 002b:00007fff920ea470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.237651][  T185] RAX: ffffffffffffffda RBX: 00007fff920eac08 RCX: 00007f4bf929a08e
[    9.237861][  T185] RDX: 0000000000000000 RSI: 00007fff920ea520 RDI: 0000000000000005
[    9.238070][  T185] RBP: 00007fff920ea480 R08: 0000000000000000 R09: 0000000000000000
[    9.238281][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce02
[    9.238485][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff920eabe0
| [    9.385601][  T193] ------------[ cut here ]------------
| [    9.385825][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.386165][  T193] Modules linked in: veth
| [    9.386672][  T193] Tainted: [W]=WARN
[    9.386840][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.387072][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.387335][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.387908][  T193] RSP: 0018:ffa00000005c6e30 EFLAGS: 00010286
[    9.388168][  T193] RAX: 00000000ffffffa6 RBX: ff110000025a8c80 RCX: 1ff40000000b8d8c
[    9.388437][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000025a8d38
[    9.388701][  T193] RBP: ff11000009dc4000 R08: 1fe22000004b51a8 R09: ff1100000cda8b80
[    9.388973][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.389263][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bf3c00
[    9.389542][  T193] FS:  00007f645b3f5840(0000) GS:ff110000998b0000(0000) knlGS:0000000000000000
[    9.389853][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.390090][  T193] CR2: 000000000042ebe0 CR3: 000000000cdb7004 CR4: 0000000000771ef0
[    9.390370][  T193] PKRU: 55555554
[    9.390533][  T193] Call Trace:
[    9.390690][  T193]  <TASK>
[    9.390815][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.391023][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.391207][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.391439][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.391649][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.391853][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.392050][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.392262][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.392458][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.392655][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.392857][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.393056][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.393274][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.393468][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.393664][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.393868][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.394100][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.394313][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.394507][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.394719][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.394921][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.395129][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.395336][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.395531][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.395727][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.395933][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.396200][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.396398][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.396598][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.396796][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.396994][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.397210][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.397409][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.397602][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.397793][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.397998][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.398217][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.398412][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.398606][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.398805][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.399007][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.399228][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.399421][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.399616][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.399809][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.400014][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.400233][  T193]  ? 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))
[    9.400430][  T193]  ? 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))
[    9.400627][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.400823][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.401026][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.401243][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.401439][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.401638][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.401844][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.402040][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.402254][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.402579][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.402780][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.402982][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.403206][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.403506][  T193]  ? 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))
[    9.403702][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.403907][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.404112][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.404325][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.404618][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.404814][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.405019][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.405239][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.405467][  T193] RIP: 0033:0x7f645b62f08e
[    9.405981][  T193] 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
[    9.406561][  T193] RSP: 002b:00007ffe970e0f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.406827][  T193] RAX: ffffffffffffffda RBX: 00007ffe970e1708 RCX: 00007f645b62f08e
[    9.407102][  T193] RDX: 0000000000000000 RSI: 00007ffe970e1020 RDI: 0000000000000005
[    9.407423][  T193] RBP: 00007ffe970e0f80 R08: 0000000000000000 R09: 0000000000000000
[    9.407686][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce02
[    9.407960][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe970e16e0
| [    9.461917][  T193] ------------[ cut here ]------------
| [    9.462123][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.462442][  T193] Modules linked in: veth
| [    9.462944][  T193] Tainted: [W]=WARN
[    9.463107][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.463983][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.464245][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.464791][  T193] RSP: 0018:ffa00000005c71b0 EFLAGS: 00010286
[    9.465028][  T193] RAX: 00000000ffffffa6 RBX: ff11000005200900 RCX: 1ff40000000b8dfc
[    9.465311][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000052009b8
[    9.465575][  T193] RBP: ff11000007cb4000 R08: 1fe2200000a40138 R09: ff1100000cda8b80
[    9.465842][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.466108][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.466382][  T193] FS:  00007f645b3f5840(0000) GS:ff110000998b0000(0000) knlGS:0000000000000000
[    9.466677][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.466912][  T193] CR2: 000000000042ebe0 CR3: 000000000cdb7004 CR4: 0000000000771ef0
[    9.467195][  T193] PKRU: 55555554
[    9.467350][  T193] Call Trace:
[    9.467507][  T193]  <TASK>
[    9.467628][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.467822][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.468021][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.468242][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.468434][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.468625][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.468818][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.469023][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.469238][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.469432][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.469623][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.469820][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.470023][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.470238][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.470428][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.470617][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.470805][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.471002][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.471221][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.471415][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.471605][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.471794][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.471994][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.472206][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.472398][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472587][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.472778][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.473012][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.473227][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.473422][  T193]  ? 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))
[    9.473645][  T193]  ? 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))
[    9.473845][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.474074][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.474284][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.474477][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.474670][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.474869][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.475065][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.475280][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.475469][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.475697][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.475902][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.476095][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.476300][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.476499][  T193]  ? 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))
[    9.476704][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.476907][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.477110][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.477315][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.477506][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.477696][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.477924][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.478129][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.478371][  T193] RIP: 0033:0x7f645b62f08e
[    9.478572][  T193] 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
[    9.479132][  T193] RSP: 002b:00007ffe970e0f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.479403][  T193] RAX: ffffffffffffffda RBX: 00007ffe970e1708 RCX: 00007f645b62f08e
[    9.479661][  T193] RDX: 0000000000000000 RSI: 00007ffe970e1020 RDI: 0000000000000005
[    9.479925][  T193] RBP: 00007ffe970e0f80 R08: 0000000000000000 R09: 0000000000000000
[    9.480205][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce02
[    9.480461][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe970e16e0
| [    9.678669][  T203] ------------[ cut here ]------------
| [    9.678911][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [    9.679243][  T203] Modules linked in: veth
| [    9.679748][  T203] Tainted: [W]=WARN
[    9.679917][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.680170][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.680410][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.680978][  T203] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[    9.681235][  T203] RAX: 00000000ffffffa6 RBX: ff11000001f2ac80 RCX: 1ff40000000c4d8c
[    9.681510][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f2ad38
[    9.681773][  T203] RBP: ff1100000cff1000 R08: 1fe22000003e55a8 R09: ff1100000c525180
[    9.682046][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.682330][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c659c80
[    9.682596][  T203] FS:  00007f7456d1d840(0000) GS:ff110000998b0000(0000) knlGS:0000000000000000
[    9.682910][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.683168][  T203] CR2: 000000000042ebe0 CR3: 000000000c24d004 CR4: 0000000000771ef0
[    9.683430][  T203] PKRU: 55555554
[    9.683586][  T203] Call Trace:
[    9.683743][  T203]  <TASK>
[    9.683877][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.684081][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.684367][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.684589][  T203]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.684854][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[    9.685126][  T203]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.685393][  T203]  ? 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)
[    9.685646][  T203]  ? netif_change_name (net/core/dev.c:1495)
[    9.685905][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.686183][  T203]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.686473][  T203]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.686763][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.687056][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.687372][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.687625][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.687895][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.688166][  T203]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.688363][  T203] veth_newlink (drivers/net/veth.c:1871) veth
[    9.688557][  T203]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.688784][  T203]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.688988][  T203]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.689204][  T203]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.689416][  T203]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.689610][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.689805][  T203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.690005][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.690224][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.690419][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.690613][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.690803][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.691006][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.691227][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.691425][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.691618][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.691807][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.692008][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.692222][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.692412][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.692609][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.692800][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.693001][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.693218][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.693409][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.693599][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.693791][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.693988][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.694205][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.694397][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.694590][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.694783][  T203]  ? 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))
[    9.694982][  T203]  ? 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))
[    9.695197][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.695391][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.695585][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.695776][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.695978][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.696194][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.696388][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.696579][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.696770][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.697009][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.697230][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.697420][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.697611][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.697813][  T203]  ? 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))
[    9.698015][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.698228][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.698427][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.698618][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.698808][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.699008][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.699224][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.699416][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.699640][  T203] RIP: 0033:0x7f7456f5708e
[    9.699846][  T203] 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
[    9.700418][  T203] RSP: 002b:00007ffd4a8962d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.700680][  T203] RAX: ffffffffffffffda RBX: 00007ffd4a896a68 RCX: 00007f7456f5708e
[    9.700948][  T203] RDX: 0000000000000000 RSI: 00007ffd4a896380 RDI: 0000000000000005
[    9.701235][  T203] RBP: 00007ffd4a8962e0 R08: 0000000000000000 R09: 0000000000000000
[    9.701497][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce03
[    9.701754][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4a896a40
| [    9.717017][  T203] ------------[ cut here ]------------
| [    9.717192][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/203
| [    9.717437][  T203] Modules linked in: veth
| [    9.717841][  T203] Tainted: [W]=WARN
[    9.717949][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.718128][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.718883][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.719462][  T203] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[    9.719638][  T203] RAX: 00000000ffffffa6 RBX: ff1100000c32a900 RCX: 1ff40000000c4dfc
[    9.719853][  T203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c32a9b8
[    9.720058][  T203] RBP: ff1100000d021000 R08: 1fe2200001865538 R09: ff1100000c525180
[    9.720383][  T203] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.720589][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.720797][  T203] FS:  00007f7456d1d840(0000) GS:ff110000997b0000(0000) knlGS:0000000000000000
[    9.721167][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.721343][  T203] CR2: 0000558ff5c91d5c CR3: 000000000c24d005 CR4: 0000000000771ef0
[    9.721551][  T203] PKRU: 55555554
[    9.721655][  T203] Call Trace:
[    9.721759][  T203]  <TASK>
[    9.721836][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.721980][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.722093][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[    9.722310][  T203]  ? netif_change_name (net/core/dev.c:1495)
[    9.722451][  T203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.722591][  T203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.722734][  T203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.722884][  T203]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.723024][  T203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.723176][  T203]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.723315][  T203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.723460][  T203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.723690][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.723836][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.723978][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.724124][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.724269][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.724408][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.724552][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.724692][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.724842][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.724984][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.725127][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.725270][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.725413][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.725550][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.725690][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.725835][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.725984][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.726133][  T203]  ? 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))
[    9.726278][  T203]  ? 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))
[    9.726418][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.726557][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.726698][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.726843][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.726988][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.727135][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.727284][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.727423][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.727561][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.727732][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.727882][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.728024][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.728173][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.728320][  T203]  ? 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))
[    9.728460][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.728599][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.728742][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.728888][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.729028][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.729183][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.729323][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.729461][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.729633][  T203] RIP: 0033:0x7f7456f5708e
[    9.729779][  T203] 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
[    9.730292][  T203] RSP: 002b:00007ffd4a8962d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.730501][  T203] RAX: ffffffffffffffda RBX: 00007ffd4a896a68 RCX: 00007f7456f5708e
[    9.730708][  T203] RDX: 0000000000000000 RSI: 00007ffd4a896380 RDI: 0000000000000005
[    9.730923][  T203] RBP: 00007ffd4a8962e0 R08: 0000000000000000 R09: 0000000000000000
[    9.731142][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce03
[    9.731349][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4a896a40
| [    9.880952][  T209] ------------[ cut here ]------------
| [    9.881188][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [    9.881494][  T209] Modules linked in: veth
| [    9.882009][  T209] Tainted: [W]=WARN
[    9.882851][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.883083][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.883339][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.883906][  T209] RSP: 0018:ffa00000005d6e30 EFLAGS: 00010286
[    9.884175][  T209] RAX: 00000000ffffffa6 RBX: ff1100000d254740 RCX: 1ff40000000bad8c
[    9.884438][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d2547f8
[    9.884699][  T209] RBP: ff1100000d1b1000 R08: 1fe2200001a4a900 R09: ff1100000cfb0b80
[    9.884970][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.885260][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c1f1580
[    9.885526][  T209] FS:  00007f19ea858840(0000) GS:ff110000998b0000(0000) knlGS:0000000000000000
[    9.885835][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.886066][  T209] CR2: 000000000042ebe0 CR3: 000000000ed97006 CR4: 0000000000771ef0
[    9.886352][  T209] PKRU: 55555554
[    9.886509][  T209] Call Trace:
[    9.886665][  T209]  <TASK>
[    9.886789][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.886992][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.887209][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.887369][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.887563][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[    9.887758][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.887962][  T209]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.888179][  T209]  ? netif_change_name (net/core/dev.c:1495)
[    9.888370][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.888563][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.888755][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.888961][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.889183][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.889377][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.889572][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.889766][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.889970][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.890191][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[    9.890386][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.890613][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.890809][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.891010][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.891245][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.891440][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.891637][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.891842][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.892040][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.892260][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.892456][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.892651][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.892853][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.893056][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.893281][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.893477][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.893669][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.893870][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.894066][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.894282][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.894482][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.894677][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.894876][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.895075][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.895288][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.895482][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.895678][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.895874][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.896073][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.896285][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.896479][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.896677][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.896874][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.897075][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.897288][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.897484][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.897679][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.897885][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.898087][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.898302][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.898498][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.898691][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.898927][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[    9.899153][  T209]  ___sys_sendmsg (net/socket.c:2752)
[    9.899347][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.899542][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.899745][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.899948][  T209]  __sys_sendmsg (net/socket.c:2784)
[    9.900169][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.900368][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.900562][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.900757][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.900961][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.901184][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.901383][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.901611][  T209] RIP: 0033:0x7f19eaa9208e
[    9.901810][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.902400][  T209] RSP: 002b:00007ffc8162ace0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.902666][  T209] RAX: ffffffffffffffda RBX: 00007ffc8162b478 RCX: 00007f19eaa9208e
[    9.902940][  T209] RDX: 0000000000000000 RSI: 00007ffc8162ad90 RDI: 0000000000000005
[    9.903226][  T209] RBP: 00007ffc8162acf0 R08: 0000000000000000 R09: 0000000000000000
[    9.903492][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce03
[    9.903754][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8162b450
| [    9.911960][  T209] ------------[ cut here ]------------
| [    9.912405][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/209
| [    9.912692][  T209] Modules linked in: veth
| [    9.913221][  T209] Tainted: [W]=WARN
[    9.913374][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.913596][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.913833][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.914401][  T209] RSP: 0018:ffa00000005d71b0 EFLAGS: 00010286
[    9.914626][  T209] RAX: 00000000ffffffa6 RBX: ff1100000b79b700 RCX: 1ff40000000badfc
[    9.914889][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b79b7b8
[    9.915166][  T209] RBP: ff1100000d1cc000 R08: 1fe22000016f36f8 R09: ff1100000cfb0b80
[    9.915426][  T209] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.915682][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.915944][  T209] FS:  00007f19ea858840(0000) GS:ff110000998b0000(0000) knlGS:0000000000000000
[    9.916261][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.916485][  T209] CR2: 000000000042ebe0 CR3: 000000000ed97006 CR4: 0000000000771ef0
[    9.916743][  T209] PKRU: 55555554
[    9.916904][  T209] Call Trace:
[    9.917056][  T209]  <TASK>
[    9.917198][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.917392][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.917548][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[    9.917737][  T209]  ? netif_change_name (net/core/dev.c:1495)
[    9.917939][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.918160][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.918352][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.918542][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.918732][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.918929][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.919128][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.919339][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.919535][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.919727][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.919924][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.920125][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.920331][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.920519][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.920711][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.920908][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.921103][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.921304][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.921494][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.921683][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.921884][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.922080][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.922291][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.922482][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.922673][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.922877][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.923070][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.923281][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.923473][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.923662][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.923859][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.924054][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.924265][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.924461][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.924652][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.924850][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.925075][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[    9.925293][  T209]  ___sys_sendmsg (net/socket.c:2752)
[    9.925482][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.925671][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.925882][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.926082][  T209]  __sys_sendmsg (net/socket.c:2784)
[    9.926290][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.926483][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.926673][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.926871][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.927066][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.927278][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.927468][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.927688][  T209] RIP: 0033:0x7f19eaa9208e
[    9.927891][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.928460][  T209] RSP: 002b:00007ffc8162ace0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.928719][  T209] RAX: ffffffffffffffda RBX: 00007ffc8162b478 RCX: 00007f19eaa9208e
[    9.928982][  T209] RDX: 0000000000000000 RSI: 00007ffc8162ad90 RDI: 0000000000000005
[    9.929263][  T209] RBP: 00007ffc8162acf0 R08: 0000000000000000 R09: 0000000000000000
[    9.929522][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce03


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