[   27.059075] ------------[ cut here ]------------
[   27.059188] refcount_t: underflow; use-after-free.
[   27.059256] WARNING: CPU: 3 PID: 2831 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   27.059359] Modules linked in: vrf veth
[   27.059409] CPU: 3 UID: 0 PID: 2831 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   27.059516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.059584] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   27.059636] Code: 8d 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 b1 8d 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
[   27.059828] RSP: 0018:ffffaf2c0247f730 EFLAGS: 00010282
[   27.059886] RAX: 0000000000000000 RBX: ffffaf2c0247f740 RCX: 00000000ffffdfff
[   27.059963] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   27.060047] RBP: ffffaf2c0247f248 R08: ffffffff8df56a28 R09: 00000000ffffdfff
[   27.060131] R10: ffffffff8de76a40 R11: ffffffff8df26a40 R12: dead000000000122
[   27.060211] R13: 00000000fffbd54b R14: 0000000000000001 R15: ffff8b66c2de7000
[   27.060295] FS:  00007f12377a5800(0000) GS:ffff8b6770759000(0000) knlGS:0000000000000000
[   27.060381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.060451] CR2: 00000000004e73e0 CR3: 0000000007b79006 CR4: 0000000000772ef0
[   27.060530] PKRU: 55555554
[   27.060555] Call Trace:
[   27.060583]  <TASK>
[   27.060615]  netdev_run_todo+0x21a/0x550
[   27.060664]  rtnl_dellink+0x15b/0x350
[   27.060712]  ? virtio_fs_enqueue_req+0x352/0x570
[   27.060773]  ? netdev_run_todo+0x63/0x550
[   27.060812]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   27.060864]  rtnetlink_rcv_msg+0x358/0x400
[   27.060912]  ? get_page_from_freelist+0x15b4/0x1770
[   27.060968]  ? rtnl_calcit.isra.0+0x110/0x110
[   27.061021]  netlink_rcv_skb+0x57/0x100
[   27.061073]  netlink_unicast+0x252/0x380
[   27.061117]  ? __alloc_skb+0xdb/0x190
[   27.061164]  netlink_sendmsg+0x1be/0x3e0
[   27.061211]  ____sys_sendmsg+0x132/0x260
[   27.061256]  ? copy_msghdr_from_user+0x6c/0xa0
[   27.061316]  ___sys_sendmsg+0x87/0xd0
[   27.061362]  ? do_wp_page+0x369/0xe90
[   27.061410]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   27.061469]  ? fsnotify_grab_connector+0x48/0x80
[   27.061529]  ? fsnotify_destroy_marks+0x29/0x150
[   27.061588]  __sys_sendmsg+0x71/0xd0
[   27.061635]  do_syscall_64+0xa4/0xfd0
[   27.061680]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   27.061740] RIP: 0033:0x7f12379731d7
[   27.061786] 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
[   27.061965] RSP: 002b:00007fffb6dd5bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.062053] RAX: ffffffffffffffda RBX: 00007fffb6dd6320 RCX: 00007f12379731d7
[   27.062133] RDX: 0000000000000000 RSI: 00007fffb6dd5c60 RDI: 0000000000000005
[   27.062211] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   27.062288] R10: 00007f123786ff60 R11: 0000000000000246 R12: 0000000000000002
[   27.062366] R13: 00000000690decfe R14: 0000000000499600 R15: 0000000000000000
[   27.062445]  </TASK>
[   27.062477] ---[ end trace 0000000000000000 ]---
[   27.063119] ip (2831) used greatest stack depth: 11744 bytes left