======================================
| xx__-> [   11.515016][  T186] ------------[ cut here ]------------
| [   11.515243][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [   11.515537][  T186] Modules linked in: veth
| [   11.516061][  T186] Tainted: [W]=WARN
[   11.516167][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.516380][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.516588][  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
[   11.517092][  T186] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[   11.517275][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b0b2740 RCX: 1ff4000000118d8c
[   11.517486][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0b27f8
[   11.517693][  T186] RBP: ff11000008e61000 R08: 1fe2200001616500 R09: ff1100000c7aae80
[   11.517917][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.518127][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b824080
[   11.518353][  T186] FS:  00007fc57ba64840(0000) GS:ff11000088c30000(0000) knlGS:0000000000000000
[   11.518601][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.518790][  T186] CR2: 0000556e6e3a9ae8 CR3: 000000000c7ff002 CR4: 0000000000771ef0
[   11.519001][  T186] PKRU: 55555554
[   11.519105][  T186] Call Trace:
[   11.519214][  T186]  <TASK>
[   11.519291][  T186]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   11.519436][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.519580][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.519687][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.519845][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.519986][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.520132][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.520280][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   11.520419][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.520558][  T186]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   11.520733][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.520888][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.521029][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.521169][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.521346][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.521492][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.521630][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.521839][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.522009][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.522149][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.522296][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.522436][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.522614][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.522755][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.522916][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.523053][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.523202][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.523346][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.523487][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.523661][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.523818][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.523956][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.524097][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.524245][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.524384][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.524522][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.524660][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.524822][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.524959][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.525100][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.525248][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.525388][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.525527][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.525664][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.525876][  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))
[   11.526013][  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))
[   11.526153][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.526299][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.526438][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.526577][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.526716][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.526923][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.527078][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.527227][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.527369][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.527654][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.527845][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.527990][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.528127][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.528289][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.528427][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.528570][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.528707][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.528865][  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)
[   11.529004][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.529143][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.529430][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.529568][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.529706][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.529861][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.530033][  T186] RIP: 0033:0x7fc57bc9e08e
[   11.530180][  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
[   11.530672][  T186] RSP: 002b:00007fffa365e590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.530894][  T186] RAX: ffffffffffffffda RBX: 00007fffa365ed28 RCX: 00007fc57bc9e08e
[   11.531100][  T186] RDX: 0000000000000000 RSI: 00007fffa365e640 RDI: 0000000000000005
[   11.531313][  T186] RBP: 00007fffa365e5a0 R08: 0000000000000000 R09: 0000000000000000
[   11.531531][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd18
[   11.531748][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa365ed00
| [   11.546356][  T186] ------------[ cut here ]------------
| [   11.546535][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [   11.547681][  T186] Modules linked in: veth
| [   11.548293][  T186] Tainted: [W]=WARN
[   11.548423][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.548594][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.548775][  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
[   11.549383][  T186] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[   11.549555][  T186] RAX: 00000000ffffffa6 RBX: ff11000001e86040 RCX: 1ff4000000118dfc
[   11.549758][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001e860f8
[   11.550023][  T186] RBP: ff1100000a0ec000 R08: 1fe22000003d0c20 R09: ff1100000c7aae80
[   11.550231][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.550433][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.550636][  T186] FS:  00007fc57ba64840(0000) GS:ff11000088d30000(0000) knlGS:0000000000000000
[   11.550978][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.551149][  T186] CR2: 00007f7bd07ba808 CR3: 000000000c7ff004 CR4: 0000000000771ef0
[   11.551377][  T186] PKRU: 55555554
[   11.551479][  T186] Call Trace:
[   11.551581][  T186]  <TASK>
[   11.551657][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.551858][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.551963][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.552100][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.552243][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.552381][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.552520][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.552658][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.552835][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.553009][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.553146][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.553293][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.553437][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.553576][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.553713][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.553867][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.554004][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.554166][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.554315][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.554455][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.554591][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.554728][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.554873][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.555009][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.555148][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.555288][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.555429][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.555567][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.555704][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.555859][  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))
[   11.555995][  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))
[   11.556132][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.556274][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.556411][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.556550][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.556686][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.556835][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.556974][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.557127][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.557273][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.557444][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.557589][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.557729][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.557875][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.558026][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.558164][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.558308][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.558445][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.558585][  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)
[   11.558726][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.558878][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.559016][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.559152][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.559296][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.559436][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.559607][  T186] RIP: 0033:0x7fc57bc9e08e
[   11.559755][  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
[   11.560316][  T186] RSP: 002b:00007fffa365e590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.560524][  T186] RAX: ffffffffffffffda RBX: 00007fffa365ed28 RCX: 00007fc57bc9e08e
[   11.560733][  T186] RDX: 0000000000000000 RSI: 00007fffa365e640 RDI: 0000000000000005
[   11.560952][  T186] RBP: 00007fffa365e5a0 R08: 0000000000000000 R09: 0000000000000000
[   11.561158][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd18
[   11.561368][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa365ed00
| [   11.684056][  T195] ------------[ cut here ]------------
| [   11.684251][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/195
| [   11.684510][  T195] Modules linked in: veth
| [   11.684938][  T195] Tainted: [W]=WARN
[   11.685048][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.685233][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.685424][  T195] 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
[   11.685943][  T195] RSP: 0018:ffa0000000596e30 EFLAGS: 00010286
[   11.686128][  T195] RAX: 00000000ffffffa6 RBX: ff11000008a99c40 RCX: 1ff40000000b2d8c
[   11.686353][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a99cf8
[   11.686569][  T195] RBP: ff1100000a18c000 R08: 1fe22000011533a0 R09: ff1100000c608b80
[   11.686796][  T195] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.687032][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009355900
[   11.687291][  T195] FS:  00007fb3666ab840(0000) GS:ff11000088bb0000(0000) knlGS:0000000000000000
[   11.687541][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.687720][  T195] CR2: 000000000042ebe0 CR3: 000000000ae98003 CR4: 0000000000771ef0
[   11.687943][  T195] PKRU: 55555554
[   11.688051][  T195] Call Trace:
[   11.688159][  T195]  <TASK>
[   11.688239][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.688384][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.688492][  T195]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.688673][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[   11.689056][  T195]  ? netif_change_name (net/core/dev.c:1495)
[   11.689202][  T195]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.689354][  T195]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.689497][  T195]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.689642][  T195]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.689814][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.689960][  T195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.690106][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.690249][  T195]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.690396][  T195]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.690547][  T195] veth_newlink (drivers/net/veth.c:1871) veth
[   11.690693][  T195]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.690904][  T195]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.691050][  T195]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.691192][  T195]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.691372][  T195]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.691518][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.691663][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.691815][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.691961][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.692107][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.692254][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.692401][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.692544][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.692694][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.692901][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.693047][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.693190][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.693341][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.693482][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.693625][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.693771][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.693926][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.694068][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.694214][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.694361][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.694505][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.694653][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.694801][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.694945][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.695088][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.695235][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.695385][  T195]  ? 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))
[   11.695529][  T195]  ? 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))
[   11.695672][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.695823][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.695966][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.696111][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.696260][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.696403][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.696570][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.696719][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.696872][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.697049][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[   11.697201][  T195]  ___sys_sendmsg (net/socket.c:2752)
[   11.697348][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.697492][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.697646][  T195]  ? 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))
[   11.697812][  T195]  __sys_sendmsg (net/socket.c:2784)
[   11.697957][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.698103][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.698266][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.698411][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.698556][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.698699][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.698859][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.699037][  T195] RIP: 0033:0x7fb3668e508e
[   11.699197][  T195] 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
[   11.699735][  T195] RSP: 002b:00007ffcd3196860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.699964][  T195] RAX: ffffffffffffffda RBX: 00007ffcd3196ff8 RCX: 00007fb3668e508e
[   11.700179][  T195] RDX: 0000000000000000 RSI: 00007ffcd3196910 RDI: 0000000000000005
[   11.700398][  T195] RBP: 00007ffcd3196870 R08: 0000000000000000 R09: 0000000000000000
[   11.700619][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd18
[   11.700872][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd3196fd0
| [   11.717269][  T195] ------------[ cut here ]------------
| [   11.717452][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/195
| [   11.717695][  T195] Modules linked in: veth
| [   11.718150][  T195] Tainted: [W]=WARN
[   11.718267][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.718447][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.718631][  T195] 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
[   11.719165][  T195] RSP: 0018:ffa00000005971b0 EFLAGS: 00010286
[   11.719352][  T195] RAX: 00000000ffffffa6 RBX: ff11000008ac78c0 RCX: 1ff40000000b2dfc
[   11.719561][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ac7978
[   11.719770][  T195] RBP: ff11000007501000 R08: 1fe2200001158f30 R09: ff1100000c608b80
[   11.719987][  T195] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.720200][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.720410][  T195] FS:  00007fb3666ab840(0000) GS:ff11000088bb0000(0000) knlGS:0000000000000000
[   11.720670][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.720859][  T195] CR2: 000000000042ebe0 CR3: 000000000ae98003 CR4: 0000000000771ef0
[   11.721066][  T195] PKRU: 55555554
[   11.721173][  T195] Call Trace:
[   11.721281][  T195]  <TASK>
[   11.721354][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.721496][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.721601][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[   11.721740][  T195]  ? netif_change_name (net/core/dev.c:1495)
[   11.721890][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.722029][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.722174][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.722317][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.722457][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.722592][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.722730][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.722882][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.723025][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.723165][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.723311][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.723450][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.723588][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.723726][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.723877][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.724017][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.724156][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.724301][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.724439][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.724595][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.724735][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.724918][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.725059][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.725201][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.725350][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.725492][  T195]  ? 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))
[   11.725658][  T195]  ? 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))
[   11.725832][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.725975][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.726113][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.726259][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.726398][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.726539][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.726679][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.726826][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.726964][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.727136][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[   11.727309][  T195]  ___sys_sendmsg (net/socket.c:2752)
[   11.727447][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.727587][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.727734][  T195]  ? 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))
[   11.727882][  T195]  __sys_sendmsg (net/socket.c:2784)
[   11.728021][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.728163][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.728336][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.728475][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.728622][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.728759][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.728908][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.729091][  T195] RIP: 0033:0x7fb3668e508e
[   11.729259][  T195] 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
[   11.729750][  T195] RSP: 002b:00007ffcd3196860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.729970][  T195] RAX: ffffffffffffffda RBX: 00007ffcd3196ff8 RCX: 00007fb3668e508e
[   11.730175][  T195] RDX: 0000000000000000 RSI: 00007ffcd3196910 RDI: 0000000000000005
[   11.730388][  T195] RBP: 00007ffcd3196870 R08: 0000000000000000 R09: 0000000000000000
[   11.730623][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd18
[   11.730836][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd3196fd0
| [   11.968960][  T211] ------------[ cut here ]------------
| [   11.969195][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [   11.969510][  T211] Modules linked in: veth
| [   11.970664][  T211] Tainted: [W]=WARN
[   11.970843][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.971071][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.971322][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.971912][  T211] RSP: 0018:ffa00000005f6e30 EFLAGS: 00010286
[   11.972145][  T211] RAX: 00000000ffffffa6 RBX: ff11000004ad2040 RCX: 1ff40000000bed8c
[   11.972420][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ad20f8
[   11.972688][  T211] RBP: ff1100000206c000 R08: 1fe220000095a420 R09: ff1100000c430b80
[   11.972976][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.973244][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009354780
[   11.973510][  T211] FS:  00007f535b431840(0000) GS:ff11000088cb0000(0000) knlGS:0000000000000000
[   11.973837][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.974074][  T211] CR2: 000000000042ebe0 CR3: 000000000b9d6002 CR4: 0000000000771ef0
[   11.974350][  T211] PKRU: 55555554
[   11.974505][  T211] Call Trace:
[   11.974660][  T211]  <TASK>
[   11.974806][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.974999][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.975197][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.975365][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.975558][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   11.975750][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.975965][  T211]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.976157][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   11.976358][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.976548][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.976737][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.976948][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.977144][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.977349][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.977543][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.977732][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.977945][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.978141][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   11.978359][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.978583][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.978797][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.978988][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.979204][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.979402][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.979598][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.979809][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.980004][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.980199][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.980399][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.980588][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.980798][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.980995][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.981196][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.981400][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.981591][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.981805][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.981998][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.982187][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.982399][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.982592][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.982805][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.982997][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.983188][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.983392][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.983585][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.983796][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.983991][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.984181][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.984382][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.984576][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.984768][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.984981][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.985178][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.985379][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.985589][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.985803][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.985997][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.986197][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.986399][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.986592][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.986836][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   11.987035][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   11.987230][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.987422][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.987623][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.987839][  T211]  __sys_sendmsg (net/socket.c:2784)
[   11.988032][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.988231][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.988426][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.988619][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.988830][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.989022][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.989216][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.989448][  T211] RIP: 0033:0x7f535b66b08e
[   11.989647][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.990214][  T211] RSP: 002b:00007ffcf47a4450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.990479][  T211] RAX: ffffffffffffffda RBX: 00007ffcf47a4be8 RCX: 00007f535b66b08e
[   11.990739][  T211] RDX: 0000000000000000 RSI: 00007ffcf47a4500 RDI: 0000000000000005
[   11.991023][  T211] RBP: 00007ffcf47a4460 R08: 0000000000000000 R09: 0000000000000000
[   11.991293][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd19
[   11.991553][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf47a4bc0
| [   12.001151][  T211] ------------[ cut here ]------------
| [   12.001349][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [   12.001641][  T211] Modules linked in: veth
| [   12.002849][  T211] Tainted: [W]=WARN
[   12.003061][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.003353][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.003643][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.004261][  T211] RSP: 0018:ffa00000005f71b0 EFLAGS: 00010286
[   12.004545][  T211] RAX: 00000000ffffffa6 RBX: ff1100000c2a9000 RCX: 1ff40000000bedfc
[   12.004872][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2a90b8
[   12.005182][  T211] RBP: ff11000001db4000 R08: 1fe2200001855218 R09: ff1100000c430b80
[   12.005501][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.005836][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.006147][  T211] FS:  00007f535b431840(0000) GS:ff11000088cb0000(0000) knlGS:0000000000000000
[   12.006510][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.006813][  T211] CR2: 000000000042ebe0 CR3: 000000000b9d6002 CR4: 0000000000771ef0
[   12.007129][  T211] PKRU: 55555554
[   12.007348][  T211] Call Trace:
[   12.007557][  T211]  <TASK>
[   12.007733][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.008002][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.008226][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   12.008477][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   12.008725][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.008994][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.009257][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.009513][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.009767][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.010088][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.010347][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.010599][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.010866][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.011112][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.011368][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.011613][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.011892][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.012140][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.012403][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.012648][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.012911][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.013155][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.013410][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.013652][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.013859][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.014045][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.014241][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.014432][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.014621][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.014833][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.015019][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.015211][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.015406][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.015592][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.015802][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.015992][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.016185][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.016384][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.016573][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.016760][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.017000][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   12.017192][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   12.017390][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.017583][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.017843][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.018040][  T211]  __sys_sendmsg (net/socket.c:2784)
[   12.018232][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.018428][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.018618][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.018831][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.019024][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.019216][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.019409][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.019629][  T211] RIP: 0033:0x7f535b66b08e
[   12.019842][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.020382][  T211] RSP: 002b:00007ffcf47a4450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.020634][  T211] RAX: ffffffffffffffda RBX: 00007ffcf47a4be8 RCX: 00007f535b66b08e
[   12.020901][  T211] RDX: 0000000000000000 RSI: 00007ffcf47a4500 RDI: 0000000000000005
[   12.021151][  T211] RBP: 00007ffcf47a4460 R08: 0000000000000000 R09: 0000000000000000
[   12.021416][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd19


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