[ 11.115299] audit: type=1305 audit(1762518561.191:64): op=set audit_enabled=0 old=1 auid=4294967295 ses=4294967295 res=1 [ 11.133867] ------------[ cut here ]------------ [ 11.133964] refcount_t: underflow; use-after-free. [ 11.134033] WARNING: CPU: 0 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 11.134260] Modules linked in: nft_quota nf_tables [ 11.134425] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 11.134535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.134611] Workqueue: netns cleanup_net [ 11.134662] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 11.134725] Code: 88 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 31 88 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 [ 11.134919] RSP: 0018:ffffbac94025fd50 EFLAGS: 00010286 [ 11.134969] RAX: 0000000000000000 RBX: ffffbac94025fd60 RCX: 00000000ffffdfff [ 11.135049] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 11.135129] RBP: ffffbac94025f868 R08: ffffffff88756d28 R09: 00000000ffffdfff [ 11.135211] R10: ffffffff88676d40 R11: ffffffff88726d40 R12: dead000000000122 [ 11.135289] R13: 00000000fffb970d R14: 0000000000000001 R15: ffff9a2ec72b3000 [ 11.135372] FS: 0000000000000000(0000) GS:ffff9a2f75dd8000(0000) knlGS:0000000000000000 [ 11.135465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.135541] CR2: 00007f05f56034d8 CR3: 000000001f241003 CR4: 0000000000772ef0 [ 11.135645] PKRU: 55555554 [ 11.135675] Call Trace: [ 11.135702] [ 11.135733] netdev_run_todo+0x21a/0x550 [ 11.135784] ops_undo_list+0x1e3/0x1f0 [ 11.135828] cleanup_net+0x1b7/0x2b0 [ 11.135872] process_one_work+0x162/0x380 [ 11.135919] worker_thread+0x299/0x3c0 [ 11.135965] ? rescuer_thread+0x4c0/0x4c0 [ 11.136003] kthread+0x101/0x1f0 [ 11.136043] ? kthreads_online_cpu+0x110/0x110 [ 11.136097] ? kthreads_online_cpu+0x110/0x110 [ 11.136149] ret_from_fork+0x11c/0x140 [ 11.136201] ? kthreads_online_cpu+0x110/0x110 [ 11.136252] ret_from_fork_asm+0x11/0x20 [ 11.136303] [ 11.136327] ---[ end trace 0000000000000000 ]---