[   18.301730] ------------[ cut here ]------------
[   18.301868] refcount_t: underflow; use-after-free.
[   18.301946] WARNING: CPU: 0 PID: 614 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   18.302043] Modules linked in: vrf veth
[   18.302084] CPU: 0 UID: 0 PID: 614 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   18.302157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.302204] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   18.302250] Code: ab e8 18 df ba ff 90 0f 0b 90 90 c3 80 3d f9 da eb 00 00 75 89 c6 05 f0 da eb 00 01 90 48 c7 c7 28 e0 11 ab e8 f5 de ba ff 90 <0f> 0b 90 90 c3 80 3d d4 da eb 00 00 0f 85 62 ff ff ff c6 05 c7 da
[   18.302390] RSP: 0018:ffffb7c540b77730 EFLAGS: 00010282
[   18.302436] RAX: 0000000000000000 RBX: ffffb7c540b77740 RCX: 00000000ffffdfff
[   18.302489] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   18.302563] RBP: ffffb7c540b77248 R08: ffffffffab556a28 R09: 00000000ffffdfff
[   18.302610] R10: ffffffffab476a40 R11: ffffffffab526a40 R12: dead000000000122
[   18.302674] R13: 00000000fffbb312 R14: 0000000000000001 R15: ffff923e4606b000
[   18.302743] FS:  00007efffb464800(0000) GS:ffff923ed2fd9000(0000) knlGS:0000000000000000
[   18.302815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.302867] CR2: 00000000004e5ea0 CR3: 00000000060c1004 CR4: 0000000000772ef0
[   18.302924] PKRU: 55555554
[   18.302957] Call Trace:
[   18.302981]  <TASK>
[   18.303002]  netdev_run_todo+0x21a/0x550
[   18.303043]  rtnl_dellink+0x15b/0x350
[   18.303089]  ? virtio_fs_enqueue_req+0x352/0x570
[   18.303131]  ? netdev_run_todo+0x63/0x550
[   18.303167]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   18.303206]  rtnetlink_rcv_msg+0x358/0x400
[   18.303238]  ? get_page_from_freelist+0x15b4/0x1770
[   18.303281]  ? rtnl_calcit.isra.0+0x110/0x110
[   18.303326]  netlink_rcv_skb+0x57/0x100
[   18.303372]  netlink_unicast+0x252/0x380
[   18.303402]  ? __alloc_skb+0xdb/0x190
[   18.303446]  netlink_sendmsg+0x1be/0x3e0
[   18.303481]  ____sys_sendmsg+0x132/0x260
[   18.303521]  ? copy_msghdr_from_user+0x6c/0xa0
[   18.303562]  ___sys_sendmsg+0x87/0xd0
[   18.303602]  ? do_wp_page+0x369/0xe90
[   18.303642]  ? ___pte_offset_map+0x1b/0xd0
[   18.303674]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   18.303730]  ? fsnotify_grab_connector+0x48/0x80
[   18.303774]  ? fsnotify_destroy_marks+0x29/0x150
[   18.303824]  __sys_sendmsg+0x71/0xd0
[   18.303856]  do_syscall_64+0xa4/0xfd0
[   18.303890]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   18.303939] RIP: 0033:0x7efffb6321d7
[   18.303970] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[   18.304091] RSP: 002b:00007ffe89ffc398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.304147] RAX: ffffffffffffffda RBX: 00007ffe89ffcac0 RCX: 00007efffb6321d7
[   18.304195] RDX: 0000000000000000 RSI: 00007ffe89ffc400 RDI: 0000000000000005
[   18.304246] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   18.304300] R10: 00007efffb52ef60 R11: 0000000000000246 R12: 0000000000000002
[   18.304347] R13: 00000000690ded68 R14: 0000000000499600 R15: 0000000000000000
[   18.304419]  </TASK>
[   18.304441] ---[ end trace 0000000000000000 ]---
[   18.305033] ip (614) used greatest stack depth: 11744 bytes left