[    2.860116] ------------[ cut here ]------------
[    2.860197] refcount_t: underflow; use-after-free.
[    2.860281] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    2.860373] Modules linked in: nft_compat nf_tables
[    2.860435] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    2.860547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.860613] Workqueue: netns cleanup_net
[    2.860659] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    2.860708] Code: 9f 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 15 9f 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
[    2.860881] RSP: 0018:ffffc18480257d50 EFLAGS: 00010286
[    2.860927] RAX: 0000000000000000 RBX: ffffc18480257d60 RCX: 00000000ffffdfff
[    2.861004] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    2.861084] RBP: ffffc18480257858 R08: ffffffff9f95ba28 R09: 00000000ffffdfff
[    2.861165] R10: ffffffff9f87ba40 R11: ffffffff9f92ba40 R12: dead000000000122
[    2.861244] R13: 00000000fffb76c2 R14: 0000000000000001 R15: ffff9bec043c2000
[    2.861334] FS:  0000000000000000(0000) GS:ffff9bec9eb91000(0000) knlGS:0000000000000000
[    2.861415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.861471] CR2: 00000000004061e9 CR3: 0000000006108004 CR4: 0000000000772ef0
[    2.861557] PKRU: 55555554
[    2.861589] Call Trace:
[    2.861620]  <TASK>
[    2.861646]  netdev_run_todo+0x21a/0x550
[    2.861687]  ops_undo_list+0x1e3/0x1f0
[    2.861724]  cleanup_net+0x1b7/0x300
[    2.861769]  process_one_work+0x162/0x380
[    2.861830]  worker_thread+0x299/0x3c0
[    2.861882]  ? rescuer_thread+0x4c0/0x4c0
[    2.861922]  kthread+0x101/0x1f0
[    2.861967]  ? kthreads_online_cpu+0x110/0x110
[    2.862022]  ? kthreads_online_cpu+0x110/0x110
[    2.862084]  ret_from_fork+0x11c/0x140
[    2.862145]  ? kthreads_online_cpu+0x110/0x110
[    2.862188]  ret_from_fork_asm+0x11/0x20
[    2.862243]  </TASK>
[    2.862275] ---[ end trace 0000000000000000 ]---
[   23.066511] udpgso_bench_tx (883) used greatest stack depth: 12104 bytes left