[    3.348321] ------------[ cut here ]------------
[    3.348423] refcount_t: underflow; use-after-free.
[    3.348486] WARNING: CPU: 0 PID: 288 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    3.348560] Modules linked in:
[    3.348599] CPU: 0 UID: 0 PID: 288 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    3.348700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.348768] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    3.348829] Code: b4 e8 e8 54 ba ff 90 0f 0b 90 90 c3 80 3d 00 e6 2b 01 00 75 89 c6 05 f7 e5 2b 01 01 90 48 c7 c7 f8 48 55 b4 e8 c5 54 ba ff 90 <0f> 0b 90 90 c3 80 3d db e5 2b 01 00 0f 85 62 ff ff ff c6 05 ce e5
[    3.348970] RSP: 0018:ffffa5d7c05cf730 EFLAGS: 00010282
[    3.349012] RAX: 0000000000000000 RBX: ffffa5d7c05cf740 RCX: 00000000ffffdfff
[    3.349091] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    3.349158] RBP: ffffa5d7c05cf238 R08: ffffffffb4d5ba28 R09: 00000000ffffdfff
[    3.349214] R10: ffffffffb4c7ba40 R11: ffffffffb4d2ba40 R12: dead000000000122
[    3.349272] R13: 00000000fffb78b7 R14: 0000000000000001 R15: ffff9673c37b9000
[    3.349337] FS:  00007fde43712800(0000) GS:ffff967449791000(0000) knlGS:0000000000000000
[    3.349428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.349485] CR2: 00000000004e55a0 CR3: 00000000037eb002 CR4: 0000000000772ef0
[    3.349545] PKRU: 55555554
[    3.349567] Call Trace:
[    3.349585]  <TASK>
[    3.349608]  netdev_run_todo+0x21a/0x550
[    3.349642]  rtnl_dellink+0x15b/0x350
[    3.349683]  ? virtio_fs_enqueue_req+0x352/0x570
[    3.349735]  ? netdev_run_todo+0x63/0x550
[    3.349768]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[    3.349808]  rtnetlink_rcv_msg+0x358/0x400
[    3.349838]  ? get_page_from_freelist+0x15b4/0x1770
[    3.349884]  ? rtnl_calcit.isra.0+0x110/0x110
[    3.349939]  netlink_rcv_skb+0x57/0x100
[    3.349989]  netlink_unicast+0x252/0x380
[    3.350023]  ? __alloc_skb+0xdb/0x190
[    3.350056]  netlink_sendmsg+0x1be/0x3e0
[    3.350089]  ____sys_sendmsg+0x132/0x260
[    3.350122]  ? copy_msghdr_from_user+0x6c/0xa0
[    3.350162]  ___sys_sendmsg+0x87/0xd0
[    3.350193]  ? do_wp_page+0x369/0xe90
[    3.350224]  ? ___pte_offset_map+0x1b/0xd0
[    3.350257]  ? nfulnl_rcv_nl_event+0x36/0xa0
[    3.350313]  ? fsnotify_grab_connector+0x48/0x80
[    3.350361]  ? fsnotify_destroy_marks+0x29/0x150
[    3.350425]  __sys_sendmsg+0x71/0xd0
[    3.350466]  do_syscall_64+0xa4/0xfd0
[    3.350504]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.350545] RIP: 0033:0x7fde438e01d7
[    3.350576] 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
[    3.350712] RSP: 002b:00007ffddcd50ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[    3.350791] RAX: ffffffffffffffda RBX: 00007ffddcd51600 RCX: 00007fde438e01d7
[    3.350847] RDX: 0000000000000000 RSI: 00007ffddcd50f30 RDI: 0000000000000005
[    3.350905] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[    3.350986] R10: 00007fde437dc510 R11: 0000000000000246 R12: 0000000000000001
[    3.351060] R13: 00000000690e0012 R14: 0000000000499600 R15: 0000000000000000
[    3.351119]  </TASK>
[    3.351154] ---[ end trace 0000000000000000 ]---
[    3.351693] ip (288) used greatest stack depth: 11744 bytes left