[    1.942262] ------------[ cut here ]------------
[    1.942359] refcount_t: underflow; use-after-free.
[    1.942426] WARNING: CPU: 2 PID: 288 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    1.942503] Modules linked in:
[    1.942551] CPU: 2 UID: 0 PID: 288 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    1.942629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.942695] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    1.942751] Code: ac 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 95 ac 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
[    1.942881] RSP: 0018:ffffba76406b7730 EFLAGS: 00010282
[    1.942935] RAX: 0000000000000000 RBX: ffffba76406b7740 RCX: 00000000ffffdfff
[    1.943005] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    1.943074] RBP: ffffba76406b7238 R08: ffffffffad15ba28 R09: 00000000ffffdfff
[    1.943144] R10: ffffffffad07ba40 R11: ffffffffad12ba40 R12: dead000000000122
[    1.943214] R13: 00000000fffb7339 R14: 0000000000000001 R15: ffff9e1501137000
[    1.943295] FS:  00007fe930635800(0000) GS:ffff9e1591491000(0000) knlGS:0000000000000000
[    1.943366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.943428] CR2: 00005652ffb1a148 CR3: 00000000060ce003 CR4: 0000000000772ef0
[    1.943499] PKRU: 55555554
[    1.943538] Call Trace:
[    1.943578]  <TASK>
[    1.943616]  netdev_run_todo+0x21a/0x550
[    1.943667]  rtnl_dellink+0x15b/0x350
[    1.943721]  ? virtio_fs_enqueue_req+0x352/0x570
[    1.943779]  ? netdev_run_todo+0x63/0x550
[    1.943827]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[    1.943883]  rtnetlink_rcv_msg+0x358/0x400
[    1.943931]  ? get_page_from_freelist+0x15b4/0x1770
[    1.943988]  ? rtnl_calcit.isra.0+0x110/0x110
[    1.944043]  netlink_rcv_skb+0x57/0x100
[    1.944094]  netlink_unicast+0x252/0x380
[    1.944142]  ? __alloc_skb+0xdb/0x190
[    1.944191]  netlink_sendmsg+0x1be/0x3e0
[    1.944239]  ____sys_sendmsg+0x132/0x260
[    1.944296]  ? copy_msghdr_from_user+0x6c/0xa0
[    1.944351]  ___sys_sendmsg+0x87/0xd0
[    1.944399]  ? do_wp_page+0x369/0xe90
[    1.944446]  ? ___pte_offset_map+0x1b/0xd0
[    1.944496]  ? nfulnl_rcv_nl_event+0x36/0xa0
[    1.944554]  ? fsnotify_grab_connector+0x48/0x80
[    1.944610]  ? fsnotify_destroy_marks+0x29/0x150
[    1.944666]  __sys_sendmsg+0x71/0xd0
[    1.944714]  do_syscall_64+0xa4/0xfd0
[    1.944765]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    1.944830] RIP: 0033:0x7fe9308031d7
[    1.944879] 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
[    1.945010] RSP: 002b:00007ffc3e906858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[    1.945080] RAX: ffffffffffffffda RBX: 00007ffc3e906f80 RCX: 00007fe9308031d7
[    1.945150] RDX: 0000000000000000 RSI: 00007ffc3e9068c0 RDI: 0000000000000005
[    1.945220] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[    1.945300] R10: 00007fe9306fff60 R11: 0000000000000246 R12: 0000000000000002
[    1.945370] R13: 00000000690e03f3 R14: 0000000000499600 R15: 0000000000000000
[    1.945441]  </TASK>
[    1.945479] ---[ end trace 0000000000000000 ]---
[    1.945887] ip (288) used greatest stack depth: 11744 bytes left