======================================
| xx__-> [   11.337891][  T187] ------------[ cut here ]------------
| [   11.338142][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/187
| [   11.338404][  T187] Modules linked in: veth
| [   11.338934][  T187] Tainted: [W]=WARN
[   11.339045][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.339248][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.339454][  T187] 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
[   11.340054][  T187] RSP: 0018:ffa0000000876e30 EFLAGS: 00010286
[   11.340249][  T187] RAX: 00000000ffffffa6 RBX: ff1100000a157380 RCX: 1ff400000010ed8c
[   11.340466][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a157438
[   11.340712][  T187] RBP: ff110000058a9000 R08: 1fe220000142ae88 R09: ff1100000c76ae80
[   11.340950][  T187] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.341186][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009134b00
[   11.341413][  T187] FS:  00007f9880197840(0000) GS:ff1100009f9b0000(0000) knlGS:0000000000000000
[   11.341698][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.341886][  T187] CR2: 000055d0adc34240 CR3: 000000000d3ae005 CR4: 0000000000771ef0
[   11.342115][  T187] PKRU: 55555554
[   11.342227][  T187] Call Trace:
[   11.342337][  T187]  <TASK>
[   11.342424][  T187]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   11.342586][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.342742][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.342857][  T187]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.343007][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   11.343173][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.343326][  T187]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.343488][  T187]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.343641][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   11.343784][  T187]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   11.343963][  T187]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.344124][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.344272][  T187] veth_newlink (drivers/net/veth.c:1871) veth
[   11.344423][  T187]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.344615][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.344779][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.344928][  T187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.345097][  T187]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.345244][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.345395][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.345548][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.345696][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.345939][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.346174][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.346400][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.346645][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.346886][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.347126][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.347310][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.347460][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.347742][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.347891][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.348040][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.348203][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.348355][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.348508][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.348726][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.348877][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.349038][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.349195][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.349342][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.349498][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.349692][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.349909][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.350148][  T187]  ? 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))
[   11.350376][  T187]  ? 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))
[   11.350620][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.350867][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.351111][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.351326][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.351531][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.351699][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.351855][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.352010][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.352171][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.352359][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   11.352523][  T187]  ___sys_sendmsg (net/socket.c:2752)
[   11.352677][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.352843][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.353012][  T187]  __sys_sendmsg (net/socket.c:2784)
[   11.353162][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.353307][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.353449][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.353611][  T187]  ? 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)
[   11.353762][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.353912][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.354095][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.354244][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.354403][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.354557][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.354750][  T187] RIP: 0033:0x7f98803d108e
[   11.354939][  T187] 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
[   11.355471][  T187] RSP: 002b:00007fffa2cd3580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.355728][  T187] RAX: ffffffffffffffda RBX: 00007fffa2cd3d18 RCX: 00007f98803d108e
[   11.355951][  T187] RDX: 0000000000000000 RSI: 00007fffa2cd3630 RDI: 0000000000000005
[   11.356187][  T187] RBP: 00007fffa2cd3590 R08: 0000000000000000 R09: 0000000000000000
[   11.356448][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8c8
[   11.356813][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa2cd3cf0
| [   11.367410][  T187] ------------[ cut here ]------------
| [   11.367594][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/187
| [   11.367851][  T187] Modules linked in: veth
| [   11.368282][  T187] Tainted: [W]=WARN
[   11.368391][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.368578][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.368767][  T187] 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
[   11.369303][  T187] RSP: 0018:ffa00000008771b0 EFLAGS: 00010286
[   11.369490][  T187] RAX: 00000000ffffffa6 RBX: ff1100000bb4f1c0 RCX: 1ff400000010edfc
[   11.369711][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bb4f278
[   11.369947][  T187] RBP: ff110000057a9000 R08: 1fe2200001769e50 R09: ff1100000c76ae80
[   11.370174][  T187] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.370389][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.370608][  T187] FS:  00007f9880197840(0000) GS:ff1100009f9b0000(0000) knlGS:0000000000000000
[   11.370854][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.371050][  T187] CR2: 000055d0adc34240 CR3: 000000000d3ae005 CR4: 0000000000771ef0
[   11.371266][  T187] PKRU: 55555554
[   11.371370][  T187] Call Trace:
[   11.371480][  T187]  <TASK>
[   11.371560][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.371704][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.371820][  T187]  __dev_notify_flags (net/core/dev.c:9787)
[   11.371974][  T187]  ? netif_change_name (net/core/dev.c:1495)
[   11.372121][  T187]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.372266][  T187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.372409][  T187]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.372573][  T187]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.372716][  T187]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.372855][  T187]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.372999][  T187]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.373151][  T187]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.373300][  T187]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.373444][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.373589][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.373740][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.373887][  T187]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.374043][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.374250][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.374424][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.374579][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.374729][  T187]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.374908][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.375126][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.375293][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.375440][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.375600][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.375744][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.375919][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.376067][  T187]  ? 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))
[   11.376222][  T187]  ? 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))
[   11.376367][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.376546][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.376687][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.376863][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.377008][  T187]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.377160][  T187]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.377304][  T187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.377457][  T187]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.377606][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.377785][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   11.377942][  T187]  ___sys_sendmsg (net/socket.c:2752)
[   11.378088][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.378231][  T187]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.378383][  T187]  __sys_sendmsg (net/socket.c:2784)
[   11.378528][  T187]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.378665][  T187]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.378818][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.378962][  T187]  ? 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)
[   11.379117][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.379265][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.379405][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.379551][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.379691][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.379829][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.380005][  T187] RIP: 0033:0x7f98803d108e
[   11.380156][  T187] 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
[   11.380655][  T187] RSP: 002b:00007fffa2cd3580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.380865][  T187] RAX: ffffffffffffffda RBX: 00007fffa2cd3d18 RCX: 00007f98803d108e
[   11.381074][  T187] RDX: 0000000000000000 RSI: 00007fffa2cd3630 RDI: 0000000000000005
[   11.381292][  T187] RBP: 00007fffa2cd3590 R08: 0000000000000000 R09: 0000000000000000
[   11.381503][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8c8
[   11.381717][  T187] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa2cd3cf0
| [   11.569531][  T197] ------------[ cut here ]------------
| [   11.569730][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/197
| [   11.570007][  T197] Modules linked in: veth
| [   11.570441][  T197] Tainted: [W]=WARN
[   11.570589][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.570778][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.570971][  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
[   11.571503][  T197] RSP: 0018:ffa00000004f6e30 EFLAGS: 00010286
[   11.571693][  T197] RAX: 00000000ffffffa6 RBX: ff11000005012c80 RCX: 1ff400000009ed8c
[   11.571921][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005012d38
[   11.572172][  T197] RBP: ff11000005b89000 R08: 1fe2200000a025a8 R09: ff1100000c252e80
[   11.572395][  T197] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.572692][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c6e6380
[   11.572936][  T197] FS:  00007fb3b98e9840(0000) GS:ff1100009fb30000(0000) knlGS:0000000000000000
[   11.573211][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.573399][  T197] CR2: 00007fb3b9c50f6d CR3: 000000000b9cf001 CR4: 0000000000771ef0
[   11.573628][  T197] PKRU: 55555554
[   11.573737][  T197] Call Trace:
[   11.573845][  T197]  <TASK>
[   11.573921][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.574075][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.574191][  T197]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.574367][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   11.574507][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   11.574657][  T197]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.574796][  T197]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.574933][  T197]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.575079][  T197]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.575232][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.575377][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.575528][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.575677][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.575822][  T197]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.575968][  T197] veth_newlink (drivers/net/veth.c:1871) veth
[   11.576137][  T197]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.576318][  T197]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.576473][  T197]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.576630][  T197]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.576792][  T197]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.576932][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.577075][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.577221][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.577361][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.577499][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.577644][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.577786][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.577927][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.578071][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.578222][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.578363][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.578501][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.578647][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.578787][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.578930][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.579073][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.579220][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.579359][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.579501][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.579662][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.579808][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.579953][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.580105][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.580249][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.580393][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.580539][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.580682][  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))
[   11.580824][  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))
[   11.580964][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.581115][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.581256][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.581398][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.581568][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.581714][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.581859][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.582001][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.582144][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.582323][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   11.582469][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   11.582617][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.582764][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.582919][  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))
[   11.583063][  T197]  __sys_sendmsg (net/socket.c:2784)
[   11.583215][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.583366][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.583509][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.583655][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.583795][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.583939][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.584077][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.584254][  T197] RIP: 0033:0x7fb3b9b2308e
[   11.584409][  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
[   11.584913][  T197] RSP: 002b:00007ffcc1c31290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.585137][  T197] RAX: ffffffffffffffda RBX: 00007ffcc1c31a28 RCX: 00007fb3b9b2308e
[   11.585349][  T197] RDX: 0000000000000000 RSI: 00007ffcc1c31340 RDI: 0000000000000005
[   11.585567][  T197] RBP: 00007ffcc1c312a0 R08: 0000000000000000 R09: 0000000000000000
[   11.585780][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8c8
[   11.585995][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc1c31a00
| [   11.596509][  T197] ------------[ cut here ]------------
| [   11.596706][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/197
| [   11.596967][  T197] Modules linked in: veth
| [   11.597404][  T197] Tainted: [W]=WARN
[   11.597529][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.597709][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.597903][  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
[   11.598448][  T197] RSP: 0018:ffa00000004f71b0 EFLAGS: 00010286
[   11.598640][  T197] RAX: 00000000ffffffa6 RBX: ff1100000504a580 RCX: 1ff400000009edfc
[   11.598927][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000504a638
[   11.599154][  T197] RBP: ff1100000761c000 R08: 1fe2200000a094c8 R09: ff1100000c252e80
[   11.599373][  T197] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.599602][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.599826][  T197] FS:  00007fb3b98e9840(0000) GS:ff1100009fb30000(0000) knlGS:0000000000000000
[   11.600082][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.600280][  T197] CR2: 00007fb3b9c50f6d CR3: 000000000b9cf001 CR4: 0000000000771ef0
[   11.600502][  T197] PKRU: 55555554
[   11.600615][  T197] Call Trace:
[   11.600723][  T197]  <TASK>
[   11.600798][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.600944][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.601053][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[   11.601216][  T197]  ? netif_change_name (net/core/dev.c:1495)
[   11.601368][  T197]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.601521][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.601666][  T197]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.601814][  T197]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.601981][  T197]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.602128][  T197]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.602269][  T197]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.602445][  T197]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.602613][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.602764][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.602911][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.603060][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.603228][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.603437][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.603669][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.603888][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.604109][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.604330][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.604494][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.604648][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.604792][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.604934][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.605077][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.605227][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.605372][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.605526][  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))
[   11.605692][  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))
[   11.605845][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.605991][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.606134][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.606299][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.606460][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.606631][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.606776][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.606922][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.607062][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.607264][  T197]  ? move_addr_to_kernel (net/socket.c:258)
[   11.607438][  T197]  ___sys_sendmsg (net/socket.c:2752)
[   11.607587][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.607725][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.607880][  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))
[   11.608026][  T197]  __sys_sendmsg (net/socket.c:2784)
[   11.608172][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.608318][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.608457][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.608691][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.608903][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.609049][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.609201][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.609380][  T197] RIP: 0033:0x7fb3b9b2308e
[   11.609609][  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
[   11.610145][  T197] RSP: 002b:00007ffcc1c31290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.610361][  T197] RAX: ffffffffffffffda RBX: 00007ffcc1c31a28 RCX: 00007fb3b9b2308e
[   11.610664][  T197] RDX: 0000000000000000 RSI: 00007ffcc1c31340 RDI: 0000000000000005
[   11.610871][  T197] RBP: 00007ffcc1c312a0 R08: 0000000000000000 R09: 0000000000000000
[   11.611098][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8c8


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