[    2.144166] ip (259) used greatest stack depth: 12136 bytes left
[    3.029829] Initializing XFRM netlink socket
[  184.250503] ------------[ cut here ]------------
[  184.250597] refcount_t: underflow; use-after-free.
[  184.250673] WARNING: CPU: 3 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[  184.250772] Modules linked in: xfrm_user xt_policy nft_compat nf_tables
[  184.250855] CPU: 3 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[  184.250942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  184.251003] Workqueue: netns cleanup_net
[  184.251059] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[  184.251113] Code: b4 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 d5 b4 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
[  184.251281] RSP: 0018:ffffc0b840257d50 EFLAGS: 00010286
[  184.251335] RAX: 0000000000000000 RBX: ffffc0b840257d60 RCX: 00000000ffffdfff
[  184.251410] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[  184.251489] RBP: ffffc0b840257858 R08: ffffffffb555ba28 R09: 00000000ffffdfff
[  184.251559] R10: ffffffffb547ba40 R11: ffffffffb552ba40 R12: dead000000000122
[  184.251627] R13: 00000000fffe3b56 R14: 0000000000000001 R15: ffff9987853f5000
[  184.251707] FS:  0000000000000000(0000) GS:ffff998809111000(0000) knlGS:0000000000000000
[  184.251786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  184.251845] CR2: 00007fb255c5f000 CR3: 0000000023e46003 CR4: 0000000000772ef0
[  184.251915] PKRU: 55555554
[  184.251937] Call Trace:
[  184.251972]  <TASK>
[  184.252002]  netdev_run_todo+0x21a/0x550
[  184.252054]  ops_undo_list+0x1e3/0x1f0
[  184.252105]  cleanup_net+0x1b7/0x300
[  184.252149]  process_one_work+0x162/0x380
[  184.252206]  worker_thread+0x299/0x3c0
[  184.252249]  ? rescuer_thread+0x4c0/0x4c0
[  184.252290]  kthread+0x101/0x1f0
[  184.252339]  ? kthreads_online_cpu+0x110/0x110
[  184.252413]  ? kthreads_online_cpu+0x110/0x110
[  184.252466]  ret_from_fork+0x11c/0x140
[  184.252522]  ? kthreads_online_cpu+0x110/0x110
[  184.252574]  ret_from_fork_asm+0x11/0x20
[  184.252626]  </TASK>
[  184.252666] ---[ end trace 0000000000000000 ]---