======================================
| xx__-> [    9.150717][  T186] ------------[ cut here ]------------
| [    9.150951][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.151228][  T186] Modules linked in: veth
| [    9.151733][  T186] Tainted: [W]=WARN
[    9.151851][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.152033][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.152231][  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
[    9.152766][  T186] RSP: 0018:ffa0000000956e30 EFLAGS: 00010286
[    9.152956][  T186] RAX: 00000000ffffffa6 RBX: ff11000004a5f1c0 RCX: 1ff400000012ad8c
[    9.153219][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a5f278
[    9.153559][  T186] RBP: ff1100000a0d4000 R08: 1fe220000094be50 R09: ff1100000c245180
[    9.153778][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.154102][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c43f880
[    9.154327][  T186] FS:  00007f1385888840(0000) GS:ff1100009ef30000(0000) knlGS:0000000000000000
[    9.154594][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.154955][  T186] CR2: 000000000042ebe0 CR3: 000000000e848003 CR4: 0000000000771ef0
[    9.155178][  T186] PKRU: 55555554
[    9.155287][  T186] Call Trace:
[    9.155400][  T186]  <TASK>
[    9.155574][  T186]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.155717][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.155864][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.155973][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.156210][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.156359][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.156503][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.156644][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.156785][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.156929][  T186]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.157105][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.157250][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.157398][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.157610][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.157783][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.157929][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.158070][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.158328][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.158476][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.158622][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.158763][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.158911][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.159053][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.159198][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.159344][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.159492][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.159637][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.159781][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.159928][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.160068][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.160209][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.160356][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.160596][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.160744][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.160890][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.161031][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.161170][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.161434][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.161586][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.161729][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.161877][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.162020][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.162162][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.162303][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.162495][  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))
[    9.162642][  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))
[    9.162786][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.162936][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.163078][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.163220][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.163384][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.163538][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.163682][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.164134][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.164277][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.164466][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.164611][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.164751][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.164992][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.165145][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.165387][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.165532][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.165673][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.165816][  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)
[    9.165964][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.166106][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.166247][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.166393][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.166540][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.166681][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.166860][  T186] RIP: 0033:0x7f1385ac208e
[    9.167010][  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
[    9.167825][  T186] RSP: 002b:00007fff5ef1b550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.168127][  T186] RAX: ffffffffffffffda RBX: 00007fff5ef1bce8 RCX: 00007f1385ac208e
[    9.168343][  T186] RDX: 0000000000000000 RSI: 00007fff5ef1b600 RDI: 0000000000000005
[    9.168562][  T186] RBP: 00007fff5ef1b560 R08: 0000000000000000 R09: 0000000000000000
[    9.168873][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb67
[    9.169184][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5ef1bcc0
| [    9.177354][  T186] ------------[ cut here ]------------
| [    9.177593][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.177829][  T186] Modules linked in: veth
| [    9.178214][  T186] Tainted: [W]=WARN
[    9.178323][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.178552][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.178746][  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
[    9.179309][  T186] RSP: 0018:ffa00000009571b0 EFLAGS: 00010286
[    9.179546][  T186] RAX: 00000000ffffffa6 RBX: ff110000093cae40 RCX: 1ff400000012adfc
[    9.179748][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093caef8
[    9.179955][  T186] RBP: ff110000075b9000 R08: 1fe22000012795e0 R09: ff1100000c245180
[    9.180156][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.180362][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.180622][  T186] FS:  00007f1385888840(0000) GS:ff1100009ef30000(0000) knlGS:0000000000000000
[    9.180864][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.181043][  T186] CR2: 000000000042ebe0 CR3: 000000000e848003 CR4: 0000000000771ef0
[    9.181245][  T186] PKRU: 55555554
[    9.181354][  T186] Call Trace:
[    9.181512][  T186]  <TASK>
[    9.181584][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.181723][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.181827][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.181969][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.182105][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.182240][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.182386][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.182582][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.182719][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.182858][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.182995][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.183225][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.183522][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.183663][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.183798][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.183942][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.184107][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.184241][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.184533][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.184671][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.184806][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.184949][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.185084][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.185314][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.185510][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.185648][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.185784][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.185924][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.186061][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.186291][  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))
[    9.186431][  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))
[    9.186624][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.186856][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.186993][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.187130][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.187364][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.187649][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.187788][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.187932][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.188069][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.188331][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.188527][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.188662][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.188797][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.188953][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.189090][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.189323][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.189515][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.189654][  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)
[    9.189790][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.189933][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.190072][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.190209][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.190351][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.190544][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.190743][  T186] RIP: 0033:0x7f1385ac208e
[    9.190890][  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
[    9.191633][  T186] RSP: 002b:00007fff5ef1b550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.191840][  T186] RAX: ffffffffffffffda RBX: 00007fff5ef1bce8 RCX: 00007f1385ac208e
[    9.192046][  T186] RDX: 0000000000000000 RSI: 00007fff5ef1b600 RDI: 0000000000000005
[    9.192250][  T186] RBP: 00007fff5ef1b560 R08: 0000000000000000 R09: 0000000000000000
[    9.192633][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb67
[    9.192836][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5ef1bcc0
| [    9.313972][  T191] ------------[ cut here ]------------
| [    9.314150][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [    9.314403][  T191] Modules linked in: veth
| [    9.314889][  T191] Tainted: [W]=WARN
[    9.314999][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.315176][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.315366][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.315868][  T191] RSP: 0018:ffa00000008d6e30 EFLAGS: 00010286
[    9.316045][  T191] RAX: 00000000ffffffa6 RBX: ff11000004df8200 RCX: 1ff400000011ad8c
[    9.316253][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004df82b8
[    9.316469][  T191] RBP: ff11000007b39000 R08: 1fe22000009bf058 R09: ff1100000bb72e80
[    9.316679][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.316896][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009483880
[    9.317123][  T191] FS:  00007f45749ed840(0000) GS:ff1100009ef30000(0000) knlGS:0000000000000000
[    9.317377][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.317561][  T191] CR2: 000000000042ebe0 CR3: 000000000cb82004 CR4: 0000000000771ef0
[    9.317774][  T191] PKRU: 55555554
[    9.317885][  T191] Call Trace:
[    9.317990][  T191]  <TASK>
[    9.318063][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.318210][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.318326][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.318472][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.318612][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.318753][  T191]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.318902][  T191]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.319049][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.319188][  T191]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.319365][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.319516][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.319657][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.319799][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.319980][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.320120][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.320264][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.320427][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.320572][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.320718][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.320862][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.321024][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.321170][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.321314][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.321461][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.321599][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.321749][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.321901][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.322044][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.322182][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.322329][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.322476][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.322613][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.322759][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.322907][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.323050][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.323187][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.323330][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.323477][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.323618][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.323755][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.323899][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.324038][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.324177][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.324328][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.324469][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.324609][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.324772][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.324928][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.325118][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.325299][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.325448][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.325627][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.325771][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.325918][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.326091][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.326236][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.326398][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.326559][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.326732][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.326914][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.327071][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.327234][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.327388][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.327534][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.327672][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.327811][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.327965][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.328138][  T191] RIP: 0033:0x7f4574c2708e
[    9.328310][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.328820][  T191] RSP: 002b:00007ffcaa993e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.329036][  T191] RAX: ffffffffffffffda RBX: 00007ffcaa9945e8 RCX: 00007f4574c2708e
[    9.329245][  T191] RDX: 0000000000000000 RSI: 00007ffcaa993f00 RDI: 0000000000000005
[    9.329468][  T191] RBP: 00007ffcaa993e60 R08: 0000000000000000 R09: 0000000000000000
[    9.329677][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb67
[    9.329892][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaa9945c0
| [    9.339820][  T191] ------------[ cut here ]------------
| [    9.339984][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [    9.340223][  T191] Modules linked in: veth
| [    9.340678][  T191] Tainted: [W]=WARN
[    9.340782][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.340991][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.341169][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.341668][  T191] RSP: 0018:ffa00000008d71b0 EFLAGS: 00010286
[    9.341840][  T191] RAX: 00000000ffffffa6 RBX: ff11000001f2f1c0 RCX: 1ff400000011adfc
[    9.342048][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f2f278
[    9.342248][  T191] RBP: ff1100000a164000 R08: 1fe22000003e5e50 R09: ff1100000bb72e80
[    9.342464][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.342664][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.342872][  T191] FS:  00007f45749ed840(0000) GS:ff1100009ef30000(0000) knlGS:0000000000000000
[    9.343117][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.343290][  T191] CR2: 000000000042ebe0 CR3: 000000000cb82004 CR4: 0000000000771ef0
[    9.343501][  T191] PKRU: 55555554
[    9.343602][  T191] Call Trace:
[    9.343704][  T191]  <TASK>
[    9.343773][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.343918][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.344023][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.344161][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.344300][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.344443][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.344587][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.344726][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.344869][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.345035][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.345170][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.345324][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.345469][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.345607][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.345745][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.345889][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.346031][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.346170][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.346322][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.346468][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.346603][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.346740][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.346882][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.347020][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.347158][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.347302][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.347444][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.347584][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.347720][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.347862][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.347999][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.348137][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.348276][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.348419][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.348564][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.348700][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.348838][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.348983][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.349150][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.349290][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.349465][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.349604][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.349738][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.349880][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.350028][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.350168][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.350304][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.350448][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.350615][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.350751][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.350890][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.351027][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.351160][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.351332][  T191] RIP: 0033:0x7f4574c2708e
[    9.351478][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.351963][  T191] RSP: 002b:00007ffcaa993e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.352165][  T191] RAX: ffffffffffffffda RBX: 00007ffcaa9945e8 RCX: 00007f4574c2708e
[    9.352369][  T191] RDX: 0000000000000000 RSI: 00007ffcaa993f00 RDI: 0000000000000005
[    9.352577][  T191] RBP: 00007ffcaa993e60 R08: 0000000000000000 R09: 0000000000000000
[    9.352777][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb67
[    9.352984][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaa9945c0
| [    9.570335][  T199] ------------[ cut here ]------------
| [    9.570558][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.570809][  T199] Modules linked in: veth
| [    9.571262][  T199] Tainted: [W]=WARN
[    9.571377][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.571559][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.571747][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.572249][  T199] RSP: 0018:ffa00000006b6e30 EFLAGS: 00010286
[    9.572430][  T199] RAX: 00000000ffffffa6 RBX: ff110000093caac0 RCX: 1ff40000000d6d8c
[    9.572645][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093cab78
[    9.572857][  T199] RBP: ff1100000a031000 R08: 1fe2200001279570 R09: ff1100000ca05180
[    9.573066][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.573276][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000090e0080
[    9.573499][  T199] FS:  00007f6af9747840(0000) GS:ff1100009ef30000(0000) knlGS:0000000000000000
[    9.573745][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.573926][  T199] CR2: 00007fffe5467ff0 CR3: 000000000d637005 CR4: 0000000000771ef0
[    9.574136][  T199] PKRU: 55555554
[    9.574241][  T199] Call Trace:
[    9.574352][  T199]  <TASK>
[    9.574425][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.574569][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.574711][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.574817][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.574966][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.575105][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.575245][  T199]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.575392][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.575536][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.575675][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.575811][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.575956][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.576098][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.576235][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.576381][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.576523][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.576663][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.576802][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[    9.576950][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.577121][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.577260][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.577398][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.577558][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.577697][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.577838][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.577979][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.578120][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.578260][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.578401][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.578542][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.578682][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.578826][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.578975][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.579114][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.579251][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.579394][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.579537][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.579677][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.579817][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.579960][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.580100][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.580240][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.580383][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.580525][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.580665][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.580801][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.580947][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.581088][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.581227][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.581372][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.581514][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.581655][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.581793][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.581937][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.582077][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.582218][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.582362][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.582507][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.582647][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.582784][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.582962][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.583103][  T199]  ? folio_add_lru_vma (mm/swap.c:536)
[    9.583246][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.583391][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.583534][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.583682][  T199]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.583822][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.583966][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.584108][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.584250][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.584396][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.584539][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.584680][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.584818][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.584992][  T199] RIP: 0033:0x7f6af998108e
[    9.585138][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.585634][  T199] RSP: 002b:00007fffe5469d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.585841][  T199] RAX: ffffffffffffffda RBX: 00007fffe546a498 RCX: 00007f6af998108e
[    9.586053][  T199] RDX: 0000000000000000 RSI: 00007fffe5469db0 RDI: 0000000000000005
[    9.586259][  T199] RBP: 00007fffe5469d10 R08: 0000000000000000 R09: 0000000000000000
[    9.586469][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb67
[    9.586678][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe546a470
| [    9.594681][  T199] ------------[ cut here ]------------
| [    9.594854][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.595090][  T199] Modules linked in: veth
| [    9.596064][  T199] Tainted: [W]=WARN
[    9.596171][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.596402][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.596638][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.597122][  T199] RSP: 0018:ffa00000006b71b0 EFLAGS: 00010286
[    9.597294][  T199] RAX: 00000000ffffffa6 RBX: ff11000004bd0200 RCX: 1ff40000000d6dfc
[    9.597553][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004bd02b8
[    9.597753][  T199] RBP: ff11000008751000 R08: 1fe220000097a058 R09: ff1100000ca05180
[    9.597958][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.598161][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.598365][  T199] FS:  00007f6af9747840(0000) GS:ff1100009ef30000(0000) knlGS:0000000000000000
[    9.598658][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.598825][  T199] CR2: 00007fffe5467ff0 CR3: 000000000d637005 CR4: 0000000000771ef0
[    9.599030][  T199] PKRU: 55555554
[    9.599131][  T199] Call Trace:
[    9.599231][  T199]  <TASK>
[    9.599300][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.599440][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.599602][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.599738][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.599880][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.600014][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.600150][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.600289][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.600428][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.600619][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.600753][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.600899][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.601036][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.601171][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.601304][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.601446][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.601635][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.601769][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.601914][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.602049][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.602184][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.602325][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.602515][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.602649][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.602786][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.602927][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.603063][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.603198][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.603337][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.603531][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.603666][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.603801][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.603943][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.604077][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.604212][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.604353][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.604545][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.604684][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.604819][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.604958][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.605127][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.605264][  T199]  ? folio_add_lru_vma (mm/swap.c:536)
[    9.605406][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.605599][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.605735][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.605881][  T199]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.606019][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.606156][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.606295][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.606436][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.606628][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.606761][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.606899][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.607034][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.607202][  T199] RIP: 0033:0x7f6af998108e
[    9.607350][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.607897][  T199] RSP: 002b:00007fffe5469d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.608101][  T199] RAX: ffffffffffffffda RBX: 00007fffe546a498 RCX: 00007f6af998108e
[    9.608302][  T199] RDX: 0000000000000000 RSI: 00007fffe5469db0 RDI: 0000000000000005
[    9.608563][  T199] RBP: 00007fffe5469d10 R08: 0000000000000000 R09: 0000000000000000
[    9.608765][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb67
[    9.608969][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe546a470
| [    9.785222][  T205] ------------[ cut here ]------------
| [    9.785414][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/205
| [    9.785991][  T205] Modules linked in: veth
| [    9.786398][  T205] Tainted: [W]=WARN
[    9.786512][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.786687][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.786877][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.787377][  T205] RSP: 0018:ffa00000004f6e30 EFLAGS: 00010286
[    9.787560][  T205] RAX: 00000000ffffffa6 RBX: ff1100000283c040 RCX: 1ff400000009ed8c
[    9.787770][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000283c0f8
[    9.787990][  T205] RBP: ff11000008761000 R08: 1fe2200000507820 R09: ff11000009b18b80
[    9.788199][  T205] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.788413][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c43dc80
[    9.788627][  T205] FS:  00007f8b7198b840(0000) GS:ff1100009ef30000(0000) knlGS:0000000000000000
[    9.788879][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.789055][  T205] CR2: 000000000042ebe0 CR3: 000000000c276006 CR4: 0000000000771ef0
[    9.789267][  T205] PKRU: 55555554
[    9.789378][  T205] Call Trace:
[    9.789488][  T205]  <TASK>
[    9.789560][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.789704][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.789845][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.789960][  T205]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.790102][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.790242][  T205]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.790387][  T205]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.790531][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.790670][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.790808][  T205]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.790953][  T205]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.791092][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.791233][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.791380][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.791526][  T205]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.791665][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.791805][  T205]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.791955][  T205] veth_newlink (drivers/net/veth.c:1871) veth
[    9.792098][  T205]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.792272][  T205]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.792419][  T205]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.792563][  T205]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.792718][  T205]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.792862][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.793005][  T205]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.793144][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.793286][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.793430][  T205]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.793573][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.793713][  T205]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.793856][  T205]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.794000][  T205]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.794144][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.794286][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.794430][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.794574][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.794713][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.794858][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.795003][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.795143][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.795283][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.795426][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.795570][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.795710][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.795856][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.795996][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.796136][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.796276][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.796420][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.796567][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.796708][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.796855][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.796996][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.797135][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.797277][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.797423][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.797568][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.797711][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.797858][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.797997][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.798170][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.798321][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.798468][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.798611][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.798761][  T205]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.798910][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.799049][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.799194][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.799341][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.799487][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.799627][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.799768][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.799913][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.800088][  T205] RIP: 0033:0x7f8b71bc508e
[    9.800235][  T205] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.800740][  T205] RSP: 002b:00007ffc0360b920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.800956][  T205] RAX: ffffffffffffffda RBX: 00007ffc0360c0b8 RCX: 00007f8b71bc508e
[    9.801167][  T205] RDX: 0000000000000000 RSI: 00007ffc0360b9d0 RDI: 0000000000000005
[    9.801380][  T205] RBP: 00007ffc0360b930 R08: 0000000000000000 R09: 0000000000000000
[    9.801593][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb68
[    9.801801][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0360c090
| [    9.811027][  T205] ------------[ cut here ]------------
| [    9.811176][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/205
| [    9.811421][  T205] Modules linked in: veth
| [    9.811814][  T205] Tainted: [W]=WARN
[    9.811922][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.812092][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.812269][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.812778][  T205] RSP: 0018:ffa00000004f71b0 EFLAGS: 00010286
[    9.812955][  T205] RAX: 00000000ffffffa6 RBX: ff1100000c1291c0 RCX: 1ff400000009edfc
[    9.813158][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c129278
[    9.813363][  T205] RBP: ff11000008749000 R08: 1fe2200001825250 R09: ff11000009b18b80
[    9.813568][  T205] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.813771][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.813981][  T205] FS:  00007f8b7198b840(0000) GS:ff1100009ef30000(0000) knlGS:0000000000000000
[    9.814220][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.814396][  T205] CR2: 000000000042ebe0 CR3: 000000000c276006 CR4: 0000000000771ef0
[    9.814601][  T205] PKRU: 55555554
[    9.814705][  T205] Call Trace:
[    9.814805][  T205]  <TASK>
[    9.814883][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.815021][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.815125][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.815264][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.815405][  T205]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.815545][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.815684][  T205]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.815821][  T205]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.815964][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.816099][  T205]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.816237][  T205]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.816384][  T205]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.816530][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.816667][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.816802][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.816945][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.817079][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.817214][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.817362][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.817502][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.817638][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.817774][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.817915][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.818050][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.818187][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.818327][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.818469][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.818605][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.818743][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.818889][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.819024][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.819162][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.819299][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.819442][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.819585][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.819723][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.819867][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.820007][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.820142][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.820279][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.820459][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.820602][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.820739][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.820882][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.821028][  T205]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.821167][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.821304][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.821448][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.821588][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.821727][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.821865][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.822004][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.822142][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.822313][  T205] RIP: 0033:0x7f8b71bc508e
[    9.822463][  T205] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.822951][  T205] RSP: 002b:00007ffc0360b920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.823160][  T205] RAX: ffffffffffffffda RBX: 00007ffc0360c0b8 RCX: 00007f8b71bc508e
[    9.823368][  T205] RDX: 0000000000000000 RSI: 00007ffc0360b9d0 RDI: 0000000000000005
[    9.823574][  T205] RBP: 00007ffc0360b930 R08: 0000000000000000 R09: 0000000000000000
[    9.823779][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb68


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