[    2.511476] ip (250) used greatest stack depth: 12376 bytes left
[    2.651590] ip (260) used greatest stack depth: 12136 bytes left
[   22.411726] ------------[ cut here ]------------
[   22.411876] refcount_t: underflow; use-after-free.
[   22.411966] WARNING: CPU: 2 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   22.412089] Modules linked in: inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[   22.412254] CPU: 2 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   22.412364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.412455] Workqueue: netns cleanup_net
[   22.412522] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   22.412583] Code: 82 e8 18 ed b9 ff 90 0f 0b 90 90 c3 80 3d d9 ea ea 00 00 75 89 c6 05 d0 ea ea 00 01 90 48 c7 c7 78 de 71 82 e8 f5 ec b9 ff 90 <0f> 0b 90 90 c3 80 3d b4 ea ea 00 00 0f 85 62 ff ff ff c6 05 a7 ea
[   22.412816] RSP: 0018:ffff9f8b0025bd50 EFLAGS: 00010286
[   22.412892] RAX: 0000000000000000 RBX: ffff9f8b0025bd60 RCX: 00000000ffffdfff
[   22.412995] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   22.413097] RBP: ffff9f8b0025b868 R08: ffffffff82b56d28 R09: 00000000ffffdfff
[   22.413195] R10: ffffffff82a76d40 R11: ffffffff82b26d40 R12: dead000000000122
[   22.413295] R13: 00000000fffbc313 R14: 0000000000000001 R15: ffff890944769000
[   22.413396] FS:  0000000000000000(0000) GS:ffff8909fbad8000(0000) knlGS:0000000000000000
[   22.413542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.413639] CR2: 00005607a9a06dec CR3: 0000000007c38002 CR4: 0000000000772ef0
[   22.413745] PKRU: 55555554
[   22.413778] Call Trace:
[   22.413807]  <TASK>
[   22.413840]  netdev_run_todo+0x21a/0x550
[   22.413912]  ops_undo_list+0x1e3/0x1f0
[   22.413986]  cleanup_net+0x1b7/0x2b0
[   22.414067]  process_one_work+0x162/0x380
[   22.414141]  worker_thread+0x299/0x3c0
[   22.414211]  ? rescuer_thread+0x4c0/0x4c0
[   22.414280]  kthread+0x101/0x1f0
[   22.414349]  ? kthreads_online_cpu+0x110/0x110
[   22.414429]  ? kthreads_online_cpu+0x110/0x110
[   22.414511]  ret_from_fork+0x11c/0x140
[   22.414567]  ? kthreads_online_cpu+0x110/0x110
[   22.414673]  ret_from_fork_asm+0x11/0x20
[   22.414747]  </TASK>
[   22.414807] ---[ end trace 0000000000000000 ]---