======================================
| xx__-> [    9.256092][  T186] ------------[ cut here ]------------
| [    9.256324][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [    9.256621][  T186] Modules linked in: veth
| [    9.257110][  T186] Tainted: [W]=WARN
[    9.257217][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.257395][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.257581][  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
[    9.258104][  T186] RSP: 0018:ffa0000000906e30 EFLAGS: 00010286
[    9.258285][  T186] RAX: 00000000ffffffa6 RBX: ff11000011f758c0 RCX: 1ff4000000120d8c
[    9.258500][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011f75978
[    9.258715][  T186] RBP: ff1100000fa59000 R08: 1fe22000023eeb30 R09: ff11000013218b80
[    9.258930][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.259174][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011ceb180
[    9.259385][  T186] FS:  00007fa297d58840(0000) GS:ff11000091430000(0000) knlGS:0000000000000000
[    9.259631][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.259815][  T186] CR2: 000055eb9ca90d10 CR3: 0000000013267003 CR4: 0000000000771ef0
[    9.260040][  T186] PKRU: 55555554
[    9.260147][  T186] Call Trace:
[    9.260251][  T186]  <TASK>
[    9.260326][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.260504][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.260648][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.260758][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.260902][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.261050][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.261189][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.261329][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.261506][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.261647][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.261827][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.261984][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.262125][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.262270][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.262414][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.262565][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.262746][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.262889][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.263042][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.263202][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.263343][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.263488][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.263628][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.263778][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.263921][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.264076][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.264219][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.264361][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.264535][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.264682][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.264828][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.264978][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.265121][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.265261][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.265403][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.265648][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.265841][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.266020][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.266162][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.266302][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.266441][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.266593][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.266741][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.266883][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.267036][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.267176][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.267320][  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))
[    9.267459][  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))
[    9.267599][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.267748][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.267888][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.268039][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.268180][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.268321][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.268465][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.268622][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.268767][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.268943][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.269216][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.269355][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.269492][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.269644][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.269814][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.269969][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.270109][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.270251][  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)
[    9.270392][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.270532][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.270672][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.270817][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.270965][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.271105][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.271276][  T186] RIP: 0033:0x7fa297f9208e
[    9.271425][  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
[    9.271928][  T186] RSP: 002b:00007ffcfc273ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.272147][  T186] RAX: ffffffffffffffda RBX: 00007ffcfc274258 RCX: 00007fa297f9208e
[    9.272357][  T186] RDX: 0000000000000000 RSI: 00007ffcfc273b70 RDI: 0000000000000005
[    9.272564][  T186] RBP: 00007ffcfc273ad0 R08: 0000000000000000 R09: 0000000000000000
[    9.272780][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7ff
[    9.273021][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfc274230
| [    9.281952][  T186] ------------[ cut here ]------------
| [    9.282123][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.282362][  T186] Modules linked in: veth
| [    9.283314][  T186] Tainted: [W]=WARN
[    9.283420][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.283596][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.283783][  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
[    9.284461][  T186] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286
[    9.284641][  T186] RAX: 00000000ffffffa6 RBX: ff11000001f2d000 RCX: 1ff4000000120dfc
[    9.284852][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f2d0b8
[    9.285072][  T186] RBP: ff11000010cc1000 R08: 1fe22000003e5a18 R09: ff11000013218b80
[    9.285277][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.285481][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.285690][  T186] FS:  00007fa297d58840(0000) GS:ff110000913b0000(0000) knlGS:0000000000000000
[    9.285941][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.286202][  T186] CR2: 000055eb9ca90d10 CR3: 0000000013267006 CR4: 0000000000771ef0
[    9.286419][  T186] PKRU: 55555554
[    9.286521][  T186] Call Trace:
[    9.286625][  T186]  <TASK>
[    9.286697][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.286843][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.286956][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.287106][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.287244][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.287380][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.287522][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.287880][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.288045][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.288185][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.288321][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.288464][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.288612][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.288757][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.288896][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.289047][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.289184][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.289319][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.289461][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.289597][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.289752][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.289890][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.290039][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.290176][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.290315][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.290452][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.290590][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.290735][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.290872][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.291020][  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))
[    9.291158][  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))
[    9.291297][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.291451][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.291593][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.291739][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.291887][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.292037][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.292178][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.292316][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.292454][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.292624][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.292778][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.292914][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293063][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.293227][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.293365][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.293502][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.293639][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293791][  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)
[    9.293932][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.294100][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.294238][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.294379][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.294518][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.294655][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.294832][  T186] RIP: 0033:0x7fa297f9208e
[    9.294984][  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
[    9.295466][  T186] RSP: 002b:00007ffcfc273ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.295674][  T186] RAX: ffffffffffffffda RBX: 00007ffcfc274258 RCX: 00007fa297f9208e
[    9.295904][  T186] RDX: 0000000000000000 RSI: 00007ffcfc273b70 RDI: 0000000000000005
[    9.296122][  T186] RBP: 00007ffcfc273ad0 R08: 0000000000000000 R09: 0000000000000000
[    9.296326][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7ff
[    9.296531][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfc274230
| [    9.432151][  T195] ------------[ cut here ]------------
| [    9.432336][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/195
| [    9.432638][  T195] Modules linked in: veth
| [    9.433146][  T195] Tainted: [W]=WARN
[    9.433264][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.433460][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.433649][  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
[    9.434175][  T195] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.434357][  T195] RAX: 00000000ffffffa6 RBX: ff11000012f43380 RCX: 1ff4000000112d8c
[    9.434569][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000012f43438
[    9.434788][  T195] RBP: ff1100000f39c000 R08: 1fe22000025e8688 R09: ff11000013850b80
[    9.435009][  T195] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.435222][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011887180
[    9.435439][  T195] FS:  00007fbc3eca4840(0000) GS:ff110000913b0000(0000) knlGS:0000000000000000
[    9.435692][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.435876][  T195] CR2: 00007fffc34ceff0 CR3: 0000000012464005 CR4: 0000000000771ef0
[    9.436183][  T195] PKRU: 55555554
[    9.436290][  T195] Call Trace:
[    9.436397][  T195]  <TASK>
[    9.436471][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.436618][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.436733][  T195]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.436910][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[    9.437084][  T195]  ? netif_change_name (net/core/dev.c:1495)
[    9.437233][  T195]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.437373][  T195]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.437515][  T195]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.437663][  T195]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.437812][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.437968][  T195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.438114][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.438256][  T195]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.438397][  T195]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.438565][  T195] veth_newlink (drivers/net/veth.c:1871) veth
[    9.438720][  T195]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.438900][  T195]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.439053][  T195]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.439192][  T195]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.439348][  T195]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.439489][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.439634][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.439780][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.439923][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.440076][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.440216][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.440355][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.440497][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.440646][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.440805][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.440950][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.441097][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.441239][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.441379][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.441522][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.441668][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.441822][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.441975][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.442115][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.442255][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.442395][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.442547][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.442686][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.442833][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.442984][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.443125][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.443266][  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))
[    9.443404][  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))
[    9.443544][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.443683][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.443829][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.443978][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.444119][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.444259][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.444404][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.444543][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.444682][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.444859][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[    9.445068][  T195]  ? folio_add_lru_vma (mm/swap.c:536)
[    9.445210][  T195]  ___sys_sendmsg (net/socket.c:2752)
[    9.445351][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.445492][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.445639][  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))
[    9.445794][  T195]  __sys_sendmsg (net/socket.c:2784)
[    9.445942][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.446097][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.446240][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.446381][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.446522][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.446664][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.446811][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.446998][  T195] RIP: 0033:0x7fbc3eede08e
[    9.447149][  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
[    9.447647][  T195] RSP: 002b:00007fffc34d0d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.447864][  T195] RAX: ffffffffffffffda RBX: 00007fffc34d14b8 RCX: 00007fbc3eede08e
[    9.448089][  T195] RDX: 0000000000000000 RSI: 00007fffc34d0dd0 RDI: 0000000000000005
[    9.448296][  T195] RBP: 00007fffc34d0d30 R08: 0000000000000000 R09: 0000000000000000
[    9.448508][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7ff
[    9.448728][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc34d1490
| [    9.472433][  T195] ------------[ cut here ]------------
| [    9.472622][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/195
| [    9.472872][  T195] Modules linked in: veth
| [    9.473285][  T195] Tainted: [W]=WARN
[    9.473389][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.473560][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.473749][  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
[    9.474257][  T195] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.474432][  T195] RAX: 00000000ffffffa6 RBX: ff1100000f985700 RCX: 1ff4000000112dfc
[    9.474636][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f9857b8
[    9.474844][  T195] RBP: ff11000013344000 R08: 1fe2200001f30af8 R09: ff11000013850b80
[    9.475085][  T195] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.475293][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.475497][  T195] FS:  00007fbc3eca4840(0000) GS:ff11000091530000(0000) knlGS:0000000000000000
[    9.475743][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.475916][  T195] CR2: 000055eb9cab1e28 CR3: 0000000012464001 CR4: 0000000000771ef0
[    9.476130][  T195] PKRU: 55555554
[    9.476232][  T195] Call Trace:
[    9.476335][  T195]  <TASK>
[    9.476409][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.476548][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.476651][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[    9.476792][  T195]  ? netif_change_name (net/core/dev.c:1495)
[    9.476933][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.477076][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.477216][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.477353][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.477490][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.477627][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.477775][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.477922][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.478076][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.478219][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.478365][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.478502][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.478636][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.478792][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.478955][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.479098][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.479232][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.479368][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.479505][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.479640][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.479783][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.479917][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.480065][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.480202][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.480338][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.480477][  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))
[    9.480613][  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))
[    9.480755][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.480893][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.481038][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.481175][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.481312][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.481448][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.481589][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.481731][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.481867][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.482066][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[    9.482205][  T195]  ? folio_add_lru_vma (mm/swap.c:536)
[    9.482344][  T195]  ___sys_sendmsg (net/socket.c:2752)
[    9.482482][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.482618][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.482764][  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))
[    9.482902][  T195]  __sys_sendmsg (net/socket.c:2784)
[    9.483049][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.483188][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.483326][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.483463][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.483601][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.483741][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.483878][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.484062][  T195] RIP: 0033:0x7fbc3eede08e
[    9.484207][  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
[    9.484689][  T195] RSP: 002b:00007fffc34d0d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.484896][  T195] RAX: ffffffffffffffda RBX: 00007fffc34d14b8 RCX: 00007fbc3eede08e
[    9.485106][  T195] RDX: 0000000000000000 RSI: 00007fffc34d0dd0 RDI: 0000000000000005
[    9.485306][  T195] RBP: 00007fffc34d0d30 R08: 0000000000000000 R09: 0000000000000000
[    9.485514][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c7ff


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