======================================
| xx__-> [   10.459905][  T185] ------------[ cut here ]------------
| [   10.460179][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [   10.460452][  T185] Modules linked in: veth
| [   10.460924][  T185] Tainted: [W]=WARN
[   10.461079][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.461347][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.461639][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.462228][  T185] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[   10.462407][  T185] RAX: 00000000ffffffa6 RBX: ff110000094e0200 RCX: 1ff4000000112d8c
[   10.462615][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094e02b8
[   10.462833][  T185] RBP: ff11000008b94000 R08: 1fe220000129c058 R09: ff1100000bfbd180
[   10.463041][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.463248][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bc31580
[   10.463460][  T185] FS:  00007f2c0b68b840(0000) GS:ff11000078db0000(0000) knlGS:0000000000000000
[   10.463706][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.463896][  T185] CR2: 000056090ae65d10 CR3: 000000000c6df004 CR4: 0000000000771ef0
[   10.464114][  T185] PKRU: 55555554
[   10.464219][  T185] Call Trace:
[   10.464328][  T185]  <TASK>
[   10.464400][  T185]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   10.464544][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.464686][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.464800][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.464942][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.465081][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.465220][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.465358][  T185]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.465501][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.465639][  T185]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   10.465825][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.465968][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.466112][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   10.466255][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.466427][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.466584][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.466722][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.466889][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.467033][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.467176][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.467316][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.467458][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.467600][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.467750][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.467908][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.468063][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.468205][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.468363][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.468504][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.468640][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.468790][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.468927][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.469067][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.469214][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.469353][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.469492][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.469630][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.469768][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.469920][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.470060][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.470214][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.470356][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.470495][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.470633][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.470784][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.470923][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.471063][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.471200][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.471336][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.471474][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.471610][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.471752][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.471904][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.472045][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.472190][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.472362][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.472504][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.472640][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.472788][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.472938][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.473077][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.473214][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.473353][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.473494][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.473634][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.473785][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.473924][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.474062][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.474205][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.474390][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.474620][  T185] RIP: 0033:0x7f2c0b8c508e
[   10.474765][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.475268][  T185] RSP: 002b:00007ffeb15c9dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.475478][  T185] RAX: ffffffffffffffda RBX: 00007ffeb15ca558 RCX: 00007f2c0b8c508e
[   10.475686][  T185] RDX: 0000000000000000 RSI: 00007ffeb15c9e70 RDI: 0000000000000005
[   10.475933][  T185] RBP: 00007ffeb15c9dd0 R08: 0000000000000000 R09: 0000000000000000
[   10.476142][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd26
[   10.476349][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb15ca530
| [   10.488270][  T185] ------------[ cut here ]------------
| [   10.488506][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [   10.489554][  T185] Modules linked in: veth
| [   10.490130][  T185] Tainted: [W]=WARN
[   10.490302][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.490567][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.490864][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.491395][  T185] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[   10.491575][  T185] RAX: 00000000ffffffa6 RBX: ff1100000abfdc40 RCX: 1ff4000000112dfc
[   10.491791][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000abfdcf8
[   10.492020][  T185] RBP: ff11000008ab9000 R08: 1fe220000157fba0 R09: ff1100000bfbd180
[   10.492223][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.492424][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.492635][  T185] FS:  00007f2c0b68b840(0000) GS:ff11000078db0000(0000) knlGS:0000000000000000
[   10.492886][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.493061][  T185] CR2: 000056090ae65d10 CR3: 000000000c6df004 CR4: 0000000000771ef0
[   10.493263][  T185] PKRU: 55555554
[   10.493365][  T185] Call Trace:
[   10.493477][  T185]  <TASK>
[   10.493549][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.493722][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.493841][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.493980][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.494120][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.494255][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.494393][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.494535][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.494674][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.494826][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.494960][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.495103][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.495242][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.495393][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.495535][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.495671][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.495817][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.495949][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.496088][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.496225][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.496360][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.496507][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.496663][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.496811][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.496953][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.497092][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.497228][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.497363][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.497500][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.497638][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.497833][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.497975][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.498116][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.498253][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.498390][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.498529][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.498667][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.498820][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.498959][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.499096][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.499265][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.499408][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.499545][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.499682][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.499861][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.500000][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.500145][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.500280][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.500418][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.500556][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.500694][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.500900][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.501038][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.501177][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.501319][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.501489][  T185] RIP: 0033:0x7f2c0b8c508e
[   10.501633][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.502147][  T185] RSP: 002b:00007ffeb15c9dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.502353][  T185] RAX: ffffffffffffffda RBX: 00007ffeb15ca558 RCX: 00007f2c0b8c508e
[   10.502561][  T185] RDX: 0000000000000000 RSI: 00007ffeb15c9e70 RDI: 0000000000000005
[   10.502764][  T185] RBP: 00007ffeb15c9dd0 R08: 0000000000000000 R09: 0000000000000000
[   10.502979][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd26
[   10.503201][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb15ca530
| [   10.657599][  T193] ------------[ cut here ]------------
| [   10.657885][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/193
| [   10.658179][  T193] Modules linked in: veth
| [   10.658602][  T193] Tainted: [W]=WARN
[   10.658706][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.658901][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.659086][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.659682][  T193] RSP: 0018:ffa0000000596e30 EFLAGS: 00010286
[   10.659959][  T193] RAX: 00000000ffffffa6 RBX: ff110000055391c0 RCX: 1ff40000000b2d8c
[   10.660252][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005539278
[   10.660526][  T193] RBP: ff11000008189000 R08: 1fe2200000aa7250 R09: ff1100000c788b80
[   10.660841][  T193] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.661049][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a29d580
[   10.661257][  T193] FS:  00007f53c7031840(0000) GS:ff11000078e30000(0000) knlGS:0000000000000000
[   10.661502][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.661676][  T193] CR2: 0000564fd76c8728 CR3: 000000000c920003 CR4: 0000000000771ef0
[   10.661907][  T193] PKRU: 55555554
[   10.662033][  T193] Call Trace:
[   10.662139][  T193]  <TASK>
[   10.662209][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.662348][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.662451][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.662625][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   10.662762][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   10.662905][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.663061][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.663212][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.663350][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.663489][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.663629][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.663765][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.663912][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.664050][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.664188][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[   10.664325][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.664499][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.664638][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.664782][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.664936][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.665072][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.665208][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.665360][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.665500][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.665639][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.665786][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.665920][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.666056][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.666197][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.666336][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.666475][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.666609][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.666747][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.666896][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.667030][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.667169][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.667305][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.667442][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.667580][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.667715][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.667856][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.667992][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.668126][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.668261][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.668397][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.668537][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.668677][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.668821][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.668957][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.669094][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.669229][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.669375][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.669513][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.669650][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.669801][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.669940][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.670084][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.670274][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   10.670496][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   10.670682][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.670829][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.670974][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.671144][  T193]  __sys_sendmsg (net/socket.c:2784)
[   10.671310][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.671495][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.671661][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.671835][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.672003][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.672143][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.672280][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.672455][  T193] RIP: 0033:0x7f53c726b08e
[   10.672617][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.673121][  T193] RSP: 002b:00007fffa7d93830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.673326][  T193] RAX: ffffffffffffffda RBX: 00007fffa7d93fc8 RCX: 00007f53c726b08e
[   10.673532][  T193] RDX: 0000000000000000 RSI: 00007fffa7d938e0 RDI: 0000000000000005
[   10.673736][  T193] RBP: 00007fffa7d93840 R08: 0000000000000000 R09: 0000000000000000
[   10.673953][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd26
[   10.674160][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa7d93fa0
| [   10.690273][  T193] ------------[ cut here ]------------
| [   10.690462][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [   10.690698][  T193] Modules linked in: veth
| [   10.691135][  T193] Tainted: [W]=WARN
[   10.691238][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.691410][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.691601][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.692097][  T193] RSP: 0018:ffa00000005971b0 EFLAGS: 00010286
[   10.692274][  T193] RAX: 00000000ffffffa6 RBX: ff1100000d5d8c80 RCX: 1ff40000000b2dfc
[   10.692482][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d5d8d38
[   10.692688][  T193] RBP: ff11000007f9c000 R08: 1fe2200001abb1a8 R09: ff1100000c788b80
[   10.692903][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.693105][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.693312][  T193] FS:  00007f53c7031840(0000) GS:ff11000078db0000(0000) knlGS:0000000000000000
[   10.693549][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.693720][  T193] CR2: 000055eb2acca578 CR3: 000000000c920002 CR4: 0000000000771ef0
[   10.693931][  T193] PKRU: 55555554
[   10.694031][  T193] Call Trace:
[   10.694132][  T193]  <TASK>
[   10.694207][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.694344][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.694461][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   10.694608][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   10.694744][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.694891][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.695029][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.695164][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.695299][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.695433][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.695573][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.695736][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.695886][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.696022][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.696158][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.696293][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.696432][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.696570][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.696710][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.696860][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.696995][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.697129][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.697264][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.697402][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.697539][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.697673][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.697904][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.698039][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.698176][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.698314][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.698448][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.698584][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.698718][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.698915][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.699061][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.699197][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.699332][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.699511][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.699708][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.699876][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.700042][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   10.700183][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   10.700317][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.700487][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.700689][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.700838][  T193]  __sys_sendmsg (net/socket.c:2784)
[   10.700977][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.701183][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.701386][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.701534][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.701671][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.701821][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.701956][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.702125][  T193] RIP: 0033:0x7f53c726b08e
[   10.702268][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.702758][  T193] RSP: 002b:00007fffa7d93830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.702973][  T193] RAX: ffffffffffffffda RBX: 00007fffa7d93fc8 RCX: 00007f53c726b08e
[   10.703173][  T193] RDX: 0000000000000000 RSI: 00007fffa7d938e0 RDI: 0000000000000005
[   10.703463][  T193] RBP: 00007fffa7d93840 R08: 0000000000000000 R09: 0000000000000000
[   10.703677][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd26
[   10.703889][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa7d93fa0
| [   10.996855][  T212] ------------[ cut here ]------------
| [   10.997064][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [   10.997322][  T212] Modules linked in: veth
| [   10.997723][  T212] Tainted: [W]=WARN
[   10.997871][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.998053][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.998239][  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
[   10.998807][  T212] RSP: 0018:ffa00000004e6e30 EFLAGS: 00010286
[   10.999024][  T212] RAX: 00000000ffffffa6 RBX: ff1100000b49cc80 RCX: 1ff400000009cd8c
[   10.999238][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b49cd38
[   10.999449][  T212] RBP: ff1100000c3e1000 R08: 1fe22000016939a8 R09: ff11000001132e80
[   10.999664][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.999947][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9afc00
[   11.000201][  T212] FS:  00007ff64d2fc840(0000) GS:ff11000078f30000(0000) knlGS:0000000000000000
[   11.000469][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.000651][  T212] CR2: 000056090ad04068 CR3: 0000000004b2a001 CR4: 0000000000771ef0
[   11.000900][  T212] PKRU: 55555554
[   11.001005][  T212] Call Trace:
[   11.001111][  T212]  <TASK>
[   11.001185][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.001329][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.001476][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.001605][  T212]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.001758][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   11.001931][    C0] clocksource: Watchdog remote CPU 3 read timed out
[   11.002126][  T212]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.002267][  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)
[   11.002408][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   11.002550][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.002689][  T212]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.002844][  T212]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.002988][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.003131][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.003274][  T212]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.003415][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.003571][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.003717][  T212]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.003879][  T212] veth_newlink (drivers/net/veth.c:1871) veth
[   11.004031][  T212]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.004206][  T212]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.004352][  T212]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.004497][  T212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.004683][  T212]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.004892][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.005035][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.005177][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.005329][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.005472][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.005615][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.005759][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.005921][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.006069][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.006214][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.006377][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.006535][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.006680][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.006832][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.006977][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.007127][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.007268][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.007407][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.007549][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.007688][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.007877][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.008023][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.008164][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.008309][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.008448][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.008591][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.008734][  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))
[   11.008886][  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))
[   11.009030][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.009173][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.009314][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.009456][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.009603][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.009747][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.009903][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.010058][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.010199][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.010375][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   11.010523][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   11.010663][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.010867][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.011024][  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))
[   11.011167][  T212]  __sys_sendmsg (net/socket.c:2784)
[   11.011311][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.011461][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.011606][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.011749][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.011907][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.012049][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.012195][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.012372][  T212] RIP: 0033:0x7ff64d53608e
[   11.012522][  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
[   11.013041][  T212] RSP: 002b:00007ffc799416e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.013257][  T212] RAX: ffffffffffffffda RBX: 00007ffc79941e78 RCX: 00007ff64d53608e
[   11.013467][  T212] RDX: 0000000000000000 RSI: 00007ffc79941790 RDI: 0000000000000005
[   11.013681][  T212] RBP: 00007ffc799416f0 R08: 0000000000000000 R09: 0000000000000000
[   11.013904][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd26
[   11.014119][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc79941e50
| [   11.025003][  T212] ------------[ cut here ]------------
| [   11.025166][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [   11.025403][  T212] Modules linked in: veth
| [   11.025851][  T212] Tainted: [W]=WARN
[   11.025958][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.026129][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.026307][  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
[   11.026796][  T212] RSP: 0018:ffa00000004e71b0 EFLAGS: 00010286
[   11.026977][  T212] RAX: 00000000ffffffa6 RBX: ff1100000d5c6e40 RCX: 1ff400000009cdfc
[   11.027180][  T212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d5c6ef8
[   11.027382][  T212] RBP: ff1100000bfe9000 R08: 1fe2200001ab8de0 R09: ff11000001132e80
[   11.027585][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.027821][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.028044][  T212] FS:  00007ff64d2fc840(0000) GS:ff11000078f30000(0000) knlGS:0000000000000000
[   11.028281][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.028451][  T212] CR2: 000056090ad04068 CR3: 0000000004b2a001 CR4: 0000000000771ef0
[   11.028655][  T212] PKRU: 55555554
[   11.028787][  T212] Call Trace:
[   11.028894][  T212]  <TASK>
[   11.028966][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.029108][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.029213][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[   11.029350][  T212]  ? netif_change_name (net/core/dev.c:1495)
[   11.029489][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.029625][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.029778][  T212]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.029917][  T212]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.030058][  T212]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.030193][  T212]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.030329][  T212]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.030472][  T212]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.030611][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.030751][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.030908][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.031044][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.031182][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.031317][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.031457][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.031598][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.031738][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.031888][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.032026][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.032162][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.032302][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.032435][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.032576][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.032712][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.032858][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.033000][  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))
[   11.033136][  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))
[   11.033275][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.033412][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.033561][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.033705][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.033885][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.034025][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.034165][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.034301][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.034437][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.034609][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[   11.034750][  T212]  ___sys_sendmsg (net/socket.c:2752)
[   11.034897][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.035032][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.035184][  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))
[   11.035329][  T212]  __sys_sendmsg (net/socket.c:2784)
[   11.035467][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.035612][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.035748][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.035898][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.036034][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.036173][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.036313][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.036503][  T212] RIP: 0033:0x7ff64d53608e
[   11.036647][  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
[   11.037147][  T212] RSP: 002b:00007ffc799416e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.037352][  T212] RAX: ffffffffffffffda RBX: 00007ffc79941e78 RCX: 00007ff64d53608e
[   11.037558][  T212] RDX: 0000000000000000 RSI: 00007ffc79941790 RDI: 0000000000000005
[   11.037785][  T212] RBP: 00007ffc799416f0 R08: 0000000000000000 R09: 0000000000000000
[   11.038000][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd26


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