[ 11.411967] audit: type=1305 audit(1762520301.520:64): op=set audit_enabled=0 old=1 auid=4294967295 ses=4294967295 res=1 [ 11.432199] ------------[ cut here ]------------ [ 11.432298] refcount_t: underflow; use-after-free. [ 11.432374] WARNING: CPU: 0 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 11.432474] Modules linked in: nft_quota nf_tables [ 11.432529] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 11.432635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.432687] Workqueue: netns cleanup_net [ 11.432730] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 11.432790] Code: bc 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 d1 bc 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 [ 11.432966] RSP: 0018:ffffbb6a8025bd50 EFLAGS: 00010286 [ 11.433059] RAX: 0000000000000000 RBX: ffffbb6a8025bd60 RCX: 00000000ffffdfff [ 11.433137] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 11.433205] RBP: ffffbb6a8025b868 R08: ffffffffbd156d28 R09: 00000000ffffdfff [ 11.433277] R10: ffffffffbd076d40 R11: ffffffffbd126d40 R12: dead000000000122 [ 11.433352] R13: 00000000fffb9828 R14: 0000000000000001 R15: ffff925f84df9000 [ 11.433426] FS: 0000000000000000(0000) GS:ffff9260013d8000(0000) knlGS:0000000000000000 [ 11.433491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.433559] CR2: 00007fce693ae4d8 CR3: 000000001ce41001 CR4: 0000000000772ef0 [ 11.433624] PKRU: 55555554 [ 11.433656] Call Trace: [ 11.433679] [ 11.433706] netdev_run_todo+0x21a/0x550 [ 11.433751] ops_undo_list+0x1e3/0x1f0 [ 11.433805] cleanup_net+0x1b7/0x2b0 [ 11.433843] process_one_work+0x162/0x380 [ 11.433893] worker_thread+0x299/0x3c0 [ 11.433939] ? rescuer_thread+0x4c0/0x4c0 [ 11.433979] kthread+0x101/0x1f0 [ 11.434030] ? kthreads_online_cpu+0x110/0x110 [ 11.434176] ? kthreads_online_cpu+0x110/0x110 [ 11.434247] ret_from_fork+0x11c/0x140 [ 11.434300] ? kthreads_online_cpu+0x110/0x110 [ 11.434352] ret_from_fork_asm+0x11/0x20 [ 11.434390] [ 11.434414] ---[ end trace 0000000000000000 ]---