[    1.945173] ------------[ cut here ]------------
[    1.945298] refcount_t: underflow; use-after-free.
[    1.945365] WARNING: CPU: 0 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    1.945457] Modules linked in: veth
[    1.945494] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    1.945598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.945669] Workqueue: netns cleanup_net
[    1.945717] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    1.945775] Code: bd e8 f8 c3 ba ff 90 0f 0b 90 90 c3 80 3d 39 c1 eb 00 00 75 89 c6 05 30 c1 eb 00 01 90 48 c7 c7 30 a0 f1 bd e8 d5 c3 ba ff 90 <0f> 0b 90 90 c3 80 3d 14 c1 eb 00 00 0f 85 62 ff ff ff c6 05 07 c1
[    1.945927] RSP: 0018:ffffa55a40067d50 EFLAGS: 00010286
[    1.945978] RAX: 0000000000000000 RBX: ffffa55a40067d60 RCX: 00000000ffffdfff
[    1.946045] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    1.946129] RBP: ffffa55a40067880 R08: ffffffffbe356a28 R09: 00000000ffffdfff
[    1.946192] R10: ffffffffbe276a40 R11: ffffffffbe326a40 R12: dead000000000122
[    1.946245] R13: 00000000fffb7336 R14: 0000000000000001 R15: ffff8fc9c112f000
[    1.946303] FS:  0000000000000000(0000) GS:ffff8fca401e2000(0000) knlGS:0000000000000000
[    1.946364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.946431] CR2: 00000000319e9688 CR3: 0000000004720005 CR4: 0000000000772ef0
[    1.946513] PKRU: 55555554
[    1.946548] Call Trace:
[    1.946572]  <TASK>
[    1.946598]  netdev_run_todo+0x21a/0x550
[    1.946641]  ops_undo_list+0x1e3/0x1f0
[    1.946676]  cleanup_net+0x1b7/0x2b0
[    1.946709]  process_one_work+0x162/0x380
[    1.946750]  worker_thread+0x299/0x3c0
[    1.946794]  ? rescuer_thread+0x4c0/0x4c0
[    1.946844]  kthread+0x101/0x1f0
[    1.946892]  ? kthreads_online_cpu+0x110/0x110
[    1.946931]  ? kthreads_online_cpu+0x110/0x110
[    1.946972]  ret_from_fork+0x11c/0x140
[    1.947012]  ? kthreads_online_cpu+0x110/0x110
[    1.947054]  ret_from_fork_asm+0x11/0x20
[    1.947116]  </TASK>
[    1.947150] ---[ end trace 0000000000000000 ]---
[    3.036181] rst_ipv4 (225) used greatest stack depth: 12488 bytes left