[    2.353878] ip (259) used greatest stack depth: 12072 bytes left
[    3.751070] ------------[ cut here ]------------
[    3.751148] refcount_t: underflow; use-after-free.
[    3.751233] WARNING: CPU: 3 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    3.751330] Modules linked in:
[    3.751370] CPU: 3 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    3.751463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.751530] Workqueue: netns cleanup_net
[    3.751584] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    3.751646] Code: 96 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 f5 96 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
[    3.751828] RSP: 0018:ffffc13580257d50 EFLAGS: 00010286
[    3.751889] RAX: 0000000000000000 RBX: ffffc13580257d60 RCX: 00000000ffffdfff
[    3.751981] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    3.752067] RBP: ffffc13580257858 R08: ffffffff9775ba28 R09: 00000000ffffdfff
[    3.752153] R10: ffffffff9767ba40 R11: ffffffff9772ba40 R12: dead000000000122
[    3.752230] R13: 00000000fffb7a28 R14: 0000000000000001 R15: ffff9e4a03f8a000
[    3.752311] FS:  0000000000000000(0000) GS:ffff9e4aa6f11000(0000) knlGS:0000000000000000
[    3.752395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.752458] CR2: 00007fce3cfe2000 CR3: 0000000034e46002 CR4: 0000000000772ef0
[    3.752538] PKRU: 55555554
[    3.752563] Call Trace:
[    3.752598]  <TASK>
[    3.752633]  netdev_run_todo+0x21a/0x550
[    3.752684]  ops_undo_list+0x1e3/0x1f0
[    3.752732]  cleanup_net+0x1b7/0x300
[    3.752777]  process_one_work+0x162/0x380
[    3.752837]  worker_thread+0x299/0x3c0
[    3.752884]  ? rescuer_thread+0x4c0/0x4c0
[    3.752927]  kthread+0x101/0x1f0
[    3.752982]  ? kthreads_online_cpu+0x110/0x110
[    3.753040]  ? kthreads_online_cpu+0x110/0x110
[    3.753094]  ret_from_fork+0x11c/0x140
[    3.753147]  ? kthreads_online_cpu+0x110/0x110
[    3.753213]  ret_from_fork_asm+0x11/0x20
[    3.753262]  </TASK>
[    3.753295] ---[ end trace 0000000000000000 ]---
[    8.656834] GACT probability NOT on
[    8.658092] tc (425) used greatest stack depth: 11840 bytes left