======================================
| xx__-> [   11.586020][  T186] ------------[ cut here ]------------
| [   11.586328][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   11.586659][  T186] Modules linked in: veth
| [   11.587115][  T186] Tainted: [W]=WARN
[   11.587224][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.587508][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.587713][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.588235][  T186] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[   11.588432][  T186] RAX: 00000000ffffffa6 RBX: ff11000009b398c0 RCX: 1ff400000011ed8c
[   11.588649][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b39978
[   11.588887][  T186] RBP: ff1100000a1c4000 R08: 1fe2200001367330 R09: ff1100000cf2d180
[   11.589106][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.589323][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009042000
[   11.589559][  T186] FS:  00007fc1e1bed840(0000) GS:ff110000a2f30000(0000) knlGS:0000000000000000
[   11.589902][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.590176][  T186] CR2: 000056355c4d6060 CR3: 000000000cc5c004 CR4: 0000000000771ef0
[   11.590527][  T186] PKRU: 55555554
[   11.590703][  T186] Call Trace:
[   11.590867][  T186]  <TASK>
[   11.590984][  T186]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   11.591213][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.591440][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.591614][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.591770][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.591917][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.592066][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.592214][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.592367][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.592553][  T186]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   11.592826][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.593056][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.593282][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.593489][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.593682][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.593829][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.593974][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.594134][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.594283][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.594478][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.594657][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.594829][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.595002][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.595207][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.595430][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.595650][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.595886][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.596099][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.596262][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.596482][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.596642][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.596800][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.596941][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.597088][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.597232][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.597399][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.597552][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.597708][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.597855][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.598001][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.598144][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.598300][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.598457][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.598604][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.598775][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.598919][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.599065][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.599214][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.599368][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.599548][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.599704][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.599849][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.599996][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.600143][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.600290][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.600516][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.600743][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.600961][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.601180][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.601446][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.601654][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.601809][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.601977][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.602157][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.602303][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.602455][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.602607][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.602758][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.602903][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.603074][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.603378][  T186] RIP: 0033:0x7fc1e1e2708e
[   11.603531][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.604379][  T186] RSP: 002b:00007ffda8eac4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.604707][  T186] RAX: ffffffffffffffda RBX: 00007ffda8eacc68 RCX: 00007fc1e1e2708e
[   11.604921][  T186] RDX: 0000000000000000 RSI: 00007ffda8eac580 RDI: 0000000000000005
[   11.605139][  T186] RBP: 00007ffda8eac4e0 R08: 0000000000000000 R09: 0000000000000000
[   11.605358][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d00b
[   11.605585][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8eacc40
| [   11.618390][  T186] ------------[ cut here ]------------
| [   11.618721][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   11.619199][  T186] Modules linked in: veth
| [   11.619976][  T186] Tainted: [W]=WARN
[   11.620205][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.620553][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.620907][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.621763][  T186] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[   11.622097][  T186] RAX: 00000000ffffffa6 RBX: ff11000004e518c0 RCX: 1ff400000011edfc
[   11.622490][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e51978
[   11.622888][  T186] RBP: ff11000007549000 R08: 1fe22000009ca330 R09: ff1100000cf2d180
[   11.623270][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.623675][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.624053][  T186] FS:  00007fc1e1bed840(0000) GS:ff110000a2eb0000(0000) knlGS:0000000000000000
[   11.624507][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.624847][  T186] CR2: 000056355c5a0d40 CR3: 000000000cc5c001 CR4: 0000000000771ef0
[   11.625228][  T186] PKRU: 55555554
[   11.625472][  T186] Call Trace:
[   11.625697][  T186]  <TASK>
[   11.625867][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.626150][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.626388][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.626663][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.626941][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.627214][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.627512][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.627808][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.628085][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.628353][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.628824][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.629104][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.629400][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.629685][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.629959][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.630235][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.630525][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.630802][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.631083][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.631356][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.631643][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.631916][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.632193][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.632487][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.632770][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.633039][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.633312][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.633596][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.633872][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.634151][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.634441][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.634723][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.635016][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.635288][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.635580][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.635864][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.636138][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.636431][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.636717][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.636987][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.637306][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.637601][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.637877][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.638149][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.638470][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.638754][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.639034][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.639303][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.639594][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.639878][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.640149][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.640437][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.640721][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.640992][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.641266][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.641604][  T186] RIP: 0033:0x7fc1e1e2708e
[   11.641895][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.642781][  T186] RSP: 002b:00007ffda8eac4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.643158][  T186] RAX: ffffffffffffffda RBX: 00007ffda8eacc68 RCX: 00007fc1e1e2708e
[   11.643555][  T186] RDX: 0000000000000000 RSI: 00007ffda8eac580 RDI: 0000000000000005
[   11.643942][  T186] RBP: 00007ffda8eac4e0 R08: 0000000000000000 R09: 0000000000000000
[   11.644316][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d00b
[   11.644716][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8eacc40
| [   11.881510][  T196] ------------[ cut here ]------------
| [   11.881855][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/196
| [   11.882326][  T196] Modules linked in: veth
| [   11.884330][  T196] Tainted: [W]=WARN
[   11.884820][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.885334][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.885902][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.887312][  T196] RSP: 0018:ffa00000004d6e30 EFLAGS: 00010286
[   11.887896][  T196] RAX: 00000000ffffffa6 RBX: ff11000008bd4580 RCX: 1ff400000009ad8c
[   11.888524][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bd4638
[   11.889149][  T196] RBP: ff1100000ca79000 R08: 1fe220000117a8c8 R09: ff11000004f50b80
[   11.889734][  T196] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.890300][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004bda380
[   11.890932][  T196] FS:  00007fc7924f5840(0000) GS:ff110000a2eb0000(0000) knlGS:0000000000000000
[   11.891636][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.892226][  T196] CR2: 00007f0096fcb388 CR3: 000000000cc5e006 CR4: 0000000000771ef0
[   11.892851][  T196] PKRU: 55555554
[   11.893285][  T196] Call Trace:
[   11.893656][  T196]  <TASK>
[   11.894034][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.894519][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.894921][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.895513][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.895924][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.896250][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.896545][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.896836][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.897118][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.897420][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.897723][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.898017][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.898303][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.898603][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.898946][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   11.899248][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.899627][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.899942][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.900251][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.900603][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.900873][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.901165][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.901473][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.901779][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.902074][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.902390][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.902722][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.903014][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.903315][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.903634][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.903937][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.904222][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.904549][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.904853][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.905137][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.905489][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.905786][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.906070][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.906376][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.906671][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.906957][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.907254][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.907551][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.907844][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.908129][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.908433][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.908738][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.909008][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.909293][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.909603][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.909927][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.910246][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.910582][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.910879][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.911163][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.911469][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.911772][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.912113][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.912422][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.912705][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.912989][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.913303][  T196]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.913654][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.913957][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.914288][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.914589][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.914885][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.915173][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.915480][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.915777][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.916119][  T196] RIP: 0033:0x7fc79272f08e
[   11.916436][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.917311][  T196] RSP: 002b:00007ffc61c25400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.917728][  T196] RAX: ffffffffffffffda RBX: 00007ffc61c25b98 RCX: 00007fc79272f08e
[   11.918122][  T196] RDX: 0000000000000000 RSI: 00007ffc61c254b0 RDI: 0000000000000005
[   11.918538][  T196] RBP: 00007ffc61c25410 R08: 0000000000000000 R09: 0000000000000000
[   11.918941][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d00c
[   11.919332][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc61c25b70
| [   11.938497][  T196] ------------[ cut here ]------------
| [   11.938685][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/196
| [   11.938932][  T196] Modules linked in: veth
| [   11.939324][  T196] Tainted: [W]=WARN
[   11.939784][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.939960][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.940147][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.940649][  T196] RSP: 0018:ffa00000004d71b0 EFLAGS: 00010286
[   11.940836][  T196] RAX: 00000000ffffffa6 RBX: ff1100000c2c2580 RCX: 1ff400000009adfc
[   11.941047][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2c2638
[   11.941257][  T196] RBP: ff110000088e1000 R08: 1fe22000018584c8 R09: ff11000004f50b80
[   11.941468][  T196] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.941676][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.941887][  T196] FS:  00007fc7924f5840(0000) GS:ff110000a2f30000(0000) knlGS:0000000000000000
[   11.942132][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.942310][  T196] CR2: 00007f6ce63ce808 CR3: 000000000cc5e001 CR4: 0000000000771ef0
[   11.942543][  T196] PKRU: 55555554
[   11.942648][  T196] Call Trace:
[   11.942758][  T196]  <TASK>
[   11.942834][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.942977][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.943083][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   11.943223][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   11.943368][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.943511][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.943651][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.943797][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.943938][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.944078][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.944221][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.944377][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.944528][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.944672][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.944812][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.944952][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.945089][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.945228][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.945379][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.945578][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.945811][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.945986][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.946126][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.946316][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.946539][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.946747][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.946961][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.947179][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.947396][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.947624][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.947841][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.948057][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.948286][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.948519][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.948773][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.949005][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.949230][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.949457][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.949680][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.949894][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.950159][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   11.950402][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   11.950642][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.950882][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.951140][  T196]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.951394][  T196]  __sys_sendmsg (net/socket.c:2784)
[   11.951629][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.951876][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.952108][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.952328][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.952536][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.952747][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.952956][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.953219][  T196] RIP: 0033:0x7fc79272f08e
[   11.953448][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.954187][  T196] RSP: 002b:00007ffc61c25400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.954517][  T196] RAX: ffffffffffffffda RBX: 00007ffc61c25b98 RCX: 00007fc79272f08e
[   11.954834][  T196] RDX: 0000000000000000 RSI: 00007ffc61c254b0 RDI: 0000000000000005
[   11.955175][  T196] RBP: 00007ffc61c25410 R08: 0000000000000000 R09: 0000000000000000
[   11.955526][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d00c
[   11.955874][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc61c25b70
| [   12.315721][  T212] ------------[ cut here ]------------
| [   12.316001][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/212
| [   12.316416][  T212] Modules linked in: veth
| [   12.317078][  T212] Tainted: [W]=WARN
[   12.317253][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.317551][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.317864][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.318677][  T212] RSP: 0018:ffa0000000656e30 EFLAGS: 00010286
[   12.318960][  T212] RAX: 00000000ffffffa6 RBX: ff11000004c02c80 RCX: 1ff40000000cad8c
[   12.319304][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c02d38
[   12.319654][  T212] RBP: ff110000057e9000 R08: 1fe22000009805a8 R09: ff1100000cf2d180
[   12.319998][  T212] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.320334][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004bd8e80
[   12.321023][  T212] FS:  00007f38c5c9a840(0000) GS:ff110000a2e30000(0000) knlGS:0000000000000000
[   12.321433][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.321726][  T212] CR2: 00007f38c6001f6d CR3: 0000000004d1b003 CR4: 0000000000771ef0
[   12.322067][  T212] PKRU: 55555554
[   12.322235][  T212] Call Trace:
[   12.322416][  T212]  <TASK>
[   12.322533][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.322768][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.322996][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.323166][  T212]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.323419][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   12.323649][  T212]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.323880][  T212]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.324104][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   12.324324][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.324552][  T212]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.324775][  T212]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.324996][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.325226][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.325464][  T212]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.325697][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.325919][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.326145][  T212]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.326381][  T212] veth_newlink (drivers/net/veth.c:1871) veth
[   12.326609][  T212]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.326896][  T212]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.327121][  T212]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.327342][  T212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.327601][  T212]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.327829][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.328051][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.328275][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.328511][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.328742][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.328972][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.329191][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.329418][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.329652][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.329886][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.330114][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.330334][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.330565][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.330791][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.331003][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.331232][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.331469][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.331697][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.331921][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.332144][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.332379][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.332609][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.332836][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.333063][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.333284][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.333519][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.333754][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.333972][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.334193][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.334435][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.334659][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.334892][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.335118][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.335343][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.335589][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.335817][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.336037][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.336312][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   12.336556][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   12.336782][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.337004][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.337250][  T212]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.337489][  T212]  __sys_sendmsg (net/socket.c:2784)
[   12.337715][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.337942][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.338165][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.338404][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.338626][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.338847][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.339066][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.339335][  T212] RIP: 0033:0x7f38c5ed408e
[   12.339578][  T212] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.340384][  T212] RSP: 002b:00007ffd728ca1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.340723][  T212] RAX: ffffffffffffffda RBX: 00007ffd728ca938 RCX: 00007f38c5ed408e
[   12.341050][  T212] RDX: 0000000000000000 RSI: 00007ffd728ca250 RDI: 0000000000000005
[   12.341392][  T212] RBP: 00007ffd728ca1b0 R08: 0000000000000000 R09: 0000000000000000
[   12.341737][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d00c
[   12.342078][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd728ca910
| [   12.356196][  T212] ------------[ cut here ]------------
| [   12.357472][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/212
| [   12.357867][  T212] Modules linked in: veth
| [   12.358589][  T212] Tainted: [W]=WARN
[   12.358766][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.359038][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.359320][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.360202][  T212] RSP: 0018:ffa00000006571b0 EFLAGS: 00010286
[   12.360583][  T212] RAX: 00000000ffffffa6 RBX: ff1100000c3a8040 RCX: 1ff40000000cadfc
[   12.360917][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c3a80f8
[   12.361241][  T212] RBP: ff1100000c02c000 R08: 1fe2200001875020 R09: ff1100000cf2d180
[   12.361680][  T212] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.362003][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.362319][  T212] FS:  00007f38c5c9a840(0000) GS:ff110000a2e30000(0000) knlGS:0000000000000000
[   12.362835][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.363103][  T212] CR2: 00007f38c6001f6d CR3: 0000000004d1b003 CR4: 0000000000771ef0
[   12.363530][  T212] PKRU: 55555554
[   12.363697][  T212] Call Trace:
[   12.363859][  T212]  <TASK>
[   12.363970][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.364190][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.364356][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   12.364689][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   12.364904][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.365117][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.365337][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.365663][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.365879][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.366094][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.366341][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.366679][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.366902][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.367115][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.367328][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.367644][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.367862][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.368077][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.368303][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.368633][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.368855][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.369066][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.369285][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.369605][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.369830][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.370043][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.370264][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.370594][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.370818][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.371041][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.371256][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.371584][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.371809][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.372025][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.372242][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.372585][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.372813][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.373034][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.373258][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.373594][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.373866][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   12.374095][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   12.374311][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.374631][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.374869][  T212]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.375089][  T212]  __sys_sendmsg (net/socket.c:2784)
[   12.375311][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.375646][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.375868][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.376084][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.376304][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.376628][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.376845][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.377102][  T212] RIP: 0033:0x7f38c5ed408e
[   12.377329][  T212] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.378190][  T212] RSP: 002b:00007ffd728ca1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.378626][  T212] RAX: ffffffffffffffda RBX: 00007ffd728ca938 RCX: 00007f38c5ed408e
[   12.378953][  T212] RDX: 0000000000000000 RSI: 00007ffd728ca250 RDI: 0000000000000005
[   12.379272][  T212] RBP: 00007ffd728ca1b0 R08: 0000000000000000 R09: 0000000000000000
[   12.379707][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d00c


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