[    1.903575] ------------[ cut here ]------------
[    1.903730] refcount_t: underflow; use-after-free.
[    1.903810] WARNING: CPU: 2 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    1.903902] Modules linked in: veth
[    1.903961] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    1.904059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.904137] Workqueue: netns cleanup_net
[    1.904197] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    1.904267] Code: a5 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 91 a5 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
[    1.904437] RSP: 0018:ffffb72fc0067d50 EFLAGS: 00010286
[    1.904505] RAX: 0000000000000000 RBX: ffffb72fc0067d60 RCX: 00000000ffffdfff
[    1.904597] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    1.904684] RBP: ffffb72fc0067880 R08: ffffffffa5d56a28 R09: 00000000ffffdfff
[    1.904771] R10: ffffffffa5c76a40 R11: ffffffffa5d26a40 R12: dead000000000122
[    1.904858] R13: 00000000fffb7311 R14: 0000000000000001 R15: ffff8ac7c4f69000
[    1.904947] FS:  0000000000000000(0000) GS:ffff8ac8588e2000(0000) knlGS:0000000000000000
[    1.905041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.905117] CR2: 000000003bf97688 CR3: 0000000004ef1001 CR4: 0000000000772ef0
[    1.905202] PKRU: 55555554
[    1.905246] Call Trace:
[    1.905291]  <TASK>
[    1.905335]  netdev_run_todo+0x21a/0x550
[    1.905395]  ops_undo_list+0x1e3/0x1f0
[    1.905451]  cleanup_net+0x1b7/0x2b0
[    1.905509]  process_one_work+0x162/0x380
[    1.905576]  worker_thread+0x299/0x3c0
[    1.905638]  ? rescuer_thread+0x4c0/0x4c0
[    1.905699]  kthread+0x101/0x1f0
[    1.905757]  ? kthreads_online_cpu+0x110/0x110
[    1.905825]  ? kthreads_online_cpu+0x110/0x110
[    1.905892]  ret_from_fork+0x11c/0x140
[    1.905951]  ? kthreads_online_cpu+0x110/0x110
[    1.906018]  ret_from_fork_asm+0x11/0x20
[    1.906081]  </TASK>
[    1.906125] ---[ end trace 0000000000000000 ]---
[    1.971823] icmps-accept_ip (226) used greatest stack depth: 12504 bytes left