======================================
| xx__-> [   11.775214][  T185] ------------[ cut here ]------------
| [   11.775569][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   11.775947][  T185] Modules linked in: veth
| [   11.776495][  T185] Tainted: [W]=WARN
[   11.776651][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.776891][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.777137][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.777693][  T185] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   11.777933][  T185] RAX: 00000000ffffffa6 RBX: ff1100000890b380 RCX: 1ff4000000126d8c
[   11.778216][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000890b438
[   11.778495][  T185] RBP: ff11000008ec4000 R08: 1fe2200001121688 R09: ff1100000c148b80
[   11.778771][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.779044][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004a7ae00
[   11.779316][  T185] FS:  00007f3a08354840(0000) GS:ff11000086ab0000(0000) knlGS:0000000000000000
[   11.779618][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.779868][  T185] CR2: 0000556734dc4d60 CR3: 0000000004d77006 CR4: 0000000000771ef0
[   11.780153][  T185] PKRU: 55555554
[   11.780354][  T185] Call Trace:
[   11.780543][  T185]  <TASK>
[   11.780667][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.780911][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.781111][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.781276][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.781513][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.781780][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   11.782065][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.782343][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   11.782614][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.782890][  T185]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.783116][  T185]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   11.783353][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.783568][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.783760][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.783968][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   11.784170][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.784394][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.784586][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.784776][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.785004][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.785221][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.785435][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.785694][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.785903][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.786098][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.786299][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.786492][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.786682][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.786901][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.787177][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.787387][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.787580][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.787810][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.788090][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.788371][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.788656][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.788898][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.789128][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.789395][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.789666][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.789947][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.790150][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.790345][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.790542][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.790734][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.790936][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.791148][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.791355][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.791565][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.791778][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.791991][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.792198][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.792396][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.792593][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.792791][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.793003][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.793208][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.793436][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   11.793631][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   11.793819][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.794024][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.794239][  T185]  __sys_sendmsg (net/socket.c:2784)
[   11.794433][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.794624][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.794820][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.795028][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.795246][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.795451][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.795648][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.795862][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.796063][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.796274][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.796502][  T185] RIP: 0033:0x7f3a0858e08e
[   11.796701][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.797270][  T185] RSP: 002b:00007ffcfee1f370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.797538][  T185] RAX: ffffffffffffffda RBX: 00007ffcfee1fb08 RCX: 00007f3a0858e08e
[   11.797795][  T185] RDX: 0000000000000000 RSI: 00007ffcfee1f420 RDI: 0000000000000005
[   11.798066][  T185] RBP: 00007ffcfee1f380 R08: 0000000000000000 R09: 0000000000000000
[   11.798332][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9a1
[   11.798593][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfee1fae0
| [   11.810397][  T185] ------------[ cut here ]------------
| [   11.810610][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   11.810924][  T185] Modules linked in: veth
| [   11.811505][  T185] Tainted: [W]=WARN
[   11.811669][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.811980][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.812310][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.813105][  T185] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   11.813440][  T185] RAX: 00000000ffffffa6 RBX: ff1100000be79a80 RCX: 1ff4000000126dfc
[   11.813822][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be79b38
[   11.814239][  T185] RBP: ff1100000a059000 R08: 1fe22000017cf368 R09: ff1100000c148b80
[   11.814611][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.814990][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.815268][  T185] FS:  00007f3a08354840(0000) GS:ff11000086ab0000(0000) knlGS:0000000000000000
[   11.815558][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.815783][  T185] CR2: 0000556734dc4d60 CR3: 0000000004d77006 CR4: 0000000000771ef0
[   11.816059][  T185] PKRU: 55555554
[   11.816222][  T185] Call Trace:
[   11.816382][  T185]  <TASK>
[   11.816507][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.816700][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.816878][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   11.817162][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   11.817454][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.817744][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.818050][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.818331][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.818595][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.818879][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.819154][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.819446][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.819718][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.819991][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.820258][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.820534][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.820796][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.821070][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.821343][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.821606][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.821880][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.822141][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.822405][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.822662][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.822938][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.823210][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.823482][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.823712][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.823916][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.824149][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.824417][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.824695][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.824978][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.825255][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.825521][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.825793][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.826082][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.826372][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.826648][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.826926][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.827251][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   11.827537][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   11.827805][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.828096][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.828402][  T185]  __sys_sendmsg (net/socket.c:2784)
[   11.828675][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.828946][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.829214][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.829489][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.829751][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.830037][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.830324][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.830601][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.830897][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.831185][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.831520][  T185] RIP: 0033:0x7f3a0858e08e
[   11.831816][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.832693][  T185] RSP: 002b:00007ffcfee1f370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.833108][  T185] RAX: ffffffffffffffda RBX: 00007ffcfee1fb08 RCX: 00007f3a0858e08e
[   11.833505][  T185] RDX: 0000000000000000 RSI: 00007ffcfee1f420 RDI: 0000000000000005
[   11.833902][  T185] RBP: 00007ffcfee1f380 R08: 0000000000000000 R09: 0000000000000000
[   11.834273][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9a1
[   11.834604][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfee1fae0
| [   12.011533][  T192] ------------[ cut here ]------------
| [   12.011736][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/192
| [   12.012014][  T192] Modules linked in: veth
| [   12.012675][  T192] Tainted: [W]=WARN
[   12.012830][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.013157][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.013445][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.014050][  T192] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[   12.014273][  T192] RAX: 00000000ffffffa6 RBX: ff1100000ad96040 RCX: 1ff4000000116d8c
[   12.014487][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ad960f8
[   12.014698][  T192] RBP: ff11000008829000 R08: 1fe22000015b2c20 R09: ff1100000c4f8b80
[   12.014919][  T192] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.015137][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005bf7180
[   12.015351][  T192] FS:  00007fb7a3988840(0000) GS:ff11000086a30000(0000) knlGS:0000000000000000
[   12.015701][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.015938][  T192] CR2: 00007ffe3a802ff0 CR3: 000000000bc3b001 CR4: 0000000000771ef0
[   12.016163][  T192] PKRU: 55555554
[   12.016272][  T192] Call Trace:
[   12.016379][  T192]  <TASK>
[   12.016453][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.016600][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.016709][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.016894][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   12.017039][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   12.017186][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.017337][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.017478][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.017621][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.017763][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.017913][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.018073][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.018228][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.018370][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.018514][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[   12.018657][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.018833][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.018981][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.019126][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.019304][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.019509][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.019720][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.019947][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.020165][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.020310][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.020450][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.020592][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.020732][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.020892][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.021052][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.021207][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.021415][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.021630][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.021843][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.022057][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.022209][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.022350][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.022493][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.022633][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.022773][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.022922][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.023065][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.023209][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.023351][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.023493][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.023633][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.023790][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.023936][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.024140][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.024302][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.024441][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.024581][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.024721][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.024867][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.025011][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.025157][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.025300][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.025475][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   12.025616][  T192]  ? folio_add_lru_vma (mm/swap.c:536)
[   12.025758][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   12.025915][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.026069][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.026295][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.026549][  T192]  __sys_sendmsg (net/socket.c:2784)
[   12.026781][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.027025][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.027258][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.027484][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.027683][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.027827][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.027982][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.028181][  T192] RIP: 0033:0x7fb7a3bc208e
[   12.028351][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.028990][  T192] RSP: 002b:00007ffe3a804d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.029328][  T192] RAX: ffffffffffffffda RBX: 00007ffe3a8054b8 RCX: 00007fb7a3bc208e
[   12.029631][  T192] RDX: 0000000000000000 RSI: 00007ffe3a804dd0 RDI: 0000000000000005
[   12.029929][  T192] RBP: 00007ffe3a804d30 R08: 0000000000000000 R09: 0000000000000000
[   12.030167][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9a1
[   12.030382][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3a805490
| [   12.059657][  T192] ------------[ cut here ]------------
| [   12.060386][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [   12.060798][  T192] Modules linked in: veth
| [   12.061588][  T192] Tainted: [W]=WARN
[   12.061764][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.062057][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.062364][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.063206][  T192] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[   12.063498][  T192] RAX: 00000000ffffffa6 RBX: ff1100000af82c80 RCX: 1ff4000000116dfc
[   12.063855][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af82d38
[   12.064216][  T192] RBP: ff11000008771000 R08: 1fe22000015f05a8 R09: ff1100000c4f8b80
[   12.064572][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.064925][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.065258][  T192] FS:  00007fb7a3988840(0000) GS:ff11000086b30000(0000) knlGS:0000000000000000
[   12.065646][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.065942][  T192] CR2: 0000555aeb982000 CR3: 000000000bc3b002 CR4: 0000000000771ef0
[   12.066281][  T192] PKRU: 55555554
[   12.066449][  T192] Call Trace:
[   12.066614][  T192]  <TASK>
[   12.066732][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.066974][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.067150][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[   12.067380][  T192]  ? netif_change_name (net/core/dev.c:1495)
[   12.067610][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.067836][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.068074][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.068305][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.068532][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.068758][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.068984][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.069227][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.069460][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.069691][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.069924][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.070151][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.070367][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.070584][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.070807][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.071036][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.071264][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.071485][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.071704][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.071929][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.072180][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.072402][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.072629][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.072856][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.073078][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.073311][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.073533][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.073762][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.074002][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.074229][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.074452][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.074679][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.074914][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.075143][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.075367][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.075589][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.075869][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   12.076096][  T192]  ? folio_add_lru_vma (mm/swap.c:536)
[   12.076327][  T192]  ___sys_sendmsg (net/socket.c:2752)
[   12.076549][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.076771][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.077015][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.077251][  T192]  __sys_sendmsg (net/socket.c:2784)
[   12.077474][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.077703][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.077945][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.078173][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.078394][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.078612][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.078833][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.079130][  T192] RIP: 0033:0x7fb7a3bc208e
[   12.079365][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.080161][  T192] RSP: 002b:00007ffe3a804d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.080501][  T192] RAX: ffffffffffffffda RBX: 00007ffe3a8054b8 RCX: 00007fb7a3bc208e
[   12.080833][  T192] RDX: 0000000000000000 RSI: 00007ffe3a804dd0 RDI: 0000000000000005
[   12.081179][  T192] RBP: 00007ffe3a804d30 R08: 0000000000000000 R09: 0000000000000000
[   12.081511][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9a1
[   12.081839][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3a805490
| [   12.452519][  T211] ------------[ cut here ]------------
| [   12.452819][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   12.453109][  T211] Modules linked in: veth
| [   12.453554][  T211] Tainted: [W]=WARN
[   12.453669][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.453867][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.454079][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.454669][  T211] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[   12.454882][  T211] RAX: 00000000ffffffa6 RBX: ff1100000acf1c40 RCX: 1ff4000000116d8c
[   12.455116][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000acf1cf8
[   12.455370][  T211] RBP: ff11000008f71000 R08: 1fe220000159e3a0 R09: ff1100000cf08b80
[   12.455591][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.455814][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a1e6e00
[   12.456049][  T211] FS:  00007f5b0a988840(0000) GS:ff11000086b30000(0000) knlGS:0000000000000000
[   12.456331][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.456519][  T211] CR2: 00007ffe2bcf5ff0 CR3: 000000000cda6001 CR4: 0000000000771ef0
[   12.456739][  T211] PKRU: 55555554
[   12.456857][  T211] Call Trace:
[   12.456968][  T211]  <TASK>
[   12.457045][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.457227][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.457377][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.457489][  T211]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.457636][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   12.457815][  T211]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.457968][  T211]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.458117][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   12.458283][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.458445][  T211]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.458591][  T211]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.458738][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.458909][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.459068][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.459224][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.459402][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.459552][  T211]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.459703][  T211] veth_newlink (drivers/net/veth.c:1871) veth
[   12.459860][  T211]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.460043][  T211]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.460202][  T211]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.460351][  T211]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.460516][  T211]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.460667][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.460816][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.460970][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.461121][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.461274][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.461425][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.461574][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.461720][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.461876][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.462023][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.462172][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.462315][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.462457][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.462603][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.462750][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.462906][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.463055][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.463213][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.463363][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.463510][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.463654][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.463803][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.463957][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.464110][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.464274][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.464427][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.464591][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.464744][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.464903][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.465052][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.465227][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.465416][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.465569][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.465717][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.465873][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.466023][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.466175][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.466365][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   12.466515][  T211]  ? folio_add_lru_vma (mm/swap.c:536)
[   12.466666][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   12.466815][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.466969][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.467123][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.467281][  T211]  __sys_sendmsg (net/socket.c:2784)
[   12.467427][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.467575][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.467730][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.467889][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.468040][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.468197][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.468345][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.468534][  T211] RIP: 0033:0x7f5b0abc208e
[   12.468696][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.469227][  T211] RSP: 002b:00007ffe2bcf7d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.469450][  T211] RAX: ffffffffffffffda RBX: 00007ffe2bcf84c8 RCX: 00007f5b0abc208e
[   12.469678][  T211] RDX: 0000000000000000 RSI: 00007ffe2bcf7de0 RDI: 0000000000000005
[   12.469897][  T211] RBP: 00007ffe2bcf7d40 R08: 0000000000000000 R09: 0000000000000000
[   12.470115][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9a1
[   12.470366][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2bcf84a0
| [   12.479591][  T211] ------------[ cut here ]------------
| [   12.479774][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/211
| [   12.480986][  T211] Modules linked in: veth
| [   12.481518][  T211] Tainted: [W]=WARN
[   12.481629][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.481811][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.482091][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.482635][  T211] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[   12.482820][  T211] RAX: 00000000ffffffa6 RBX: ff11000007842e40 RCX: 1ff4000000116dfc
[   12.483110][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000007842ef8
[   12.483330][  T211] RBP: ff1100000800c000 R08: 1fe2200000f085e0 R09: ff1100000cf08b80
[   12.483549][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.483775][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.484062][  T211] FS:  00007f5b0a988840(0000) GS:ff11000086b30000(0000) knlGS:0000000000000000
[   12.484323][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.484506][  T211] CR2: 00007ffe2bcf5ff0 CR3: 000000000cda6001 CR4: 0000000000771ef0
[   12.484732][  T211] PKRU: 55555554
[   12.484840][  T211] Call Trace:
[   12.485008][  T211]  <TASK>
[   12.485085][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.485240][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.485357][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   12.485510][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   12.485662][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.485813][  T211]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.486048][  T211]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.486204][  T211]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.486356][  T211]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.486505][  T211]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.486657][  T211]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.486811][  T211]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.487027][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.487187][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.487340][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.487489][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.487636][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.487780][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.487998][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.488158][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.488303][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.488448][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.488592][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.488741][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.488950][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.489095][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.489244][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.489390][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.489541][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.489690][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.489835][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.490043][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.490199][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.490353][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.490507][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.490659][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.490803][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.491191][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.491371][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.491517][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.491694][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   12.491839][  T211]  ? folio_add_lru_vma (mm/swap.c:536)
[   12.492053][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   12.492209][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.492356][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.492509][  T211]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.492656][  T211]  __sys_sendmsg (net/socket.c:2784)
[   12.492805][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.493016][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.493166][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.493314][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.493462][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.493611][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.493755][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.493992][  T211] RIP: 0033:0x7f5b0abc208e
[   12.494148][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.494675][  T211] RSP: 002b:00007ffe2bcf7d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.494959][  T211] RAX: ffffffffffffffda RBX: 00007ffe2bcf84c8 RCX: 00007f5b0abc208e
[   12.495180][  T211] RDX: 0000000000000000 RSI: 00007ffe2bcf7de0 RDI: 0000000000000005
[   12.495398][  T211] RBP: 00007ffe2bcf7d40 R08: 0000000000000000 R09: 0000000000000000
[   12.495622][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9a1


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