[ 3.416161] ------------[ cut here ]------------ [ 3.416251] refcount_t: underflow; use-after-free. [ 3.416318] WARNING: CPU: 0 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 3.416412] Modules linked in: ts_kmp ts_bm xt_string nft_compat nf_tables x_tables dummy [ 3.416500] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 3.416603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.416669] Workqueue: netns cleanup_net [ 3.416717] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 3.416776] Code: 89 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 f1 89 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 [ 3.416958] RSP: 0018:ffffa122c025fd50 EFLAGS: 00010286 [ 3.417018] RAX: 0000000000000000 RBX: ffffa122c025fd60 RCX: 00000000ffffdfff [ 3.417098] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 3.417179] RBP: ffffa122c025f868 R08: ffffffff8a356d28 R09: 00000000ffffdfff [ 3.417268] R10: ffffffff8a276d40 R11: ffffffff8a326d40 R12: dead000000000122 [ 3.417346] R13: 00000000fffb78f9 R14: 0000000000000001 R15: ffff95f1c4bbc000 [ 3.417427] FS: 0000000000000000(0000) GS:ffff95f2741d8000(0000) knlGS:0000000000000000 [ 3.417512] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.417577] CR2: 00007fe4db2002d0 CR3: 0000000006241001 CR4: 0000000000772ef0 [ 3.417654] PKRU: 55555554 [ 3.417680] Call Trace: [ 3.417711] [ 3.417742] netdev_run_todo+0x21a/0x550 [ 3.417793] ops_undo_list+0x1e3/0x1f0 [ 3.417859] cleanup_net+0x1b7/0x2b0 [ 3.417898] process_one_work+0x162/0x380 [ 3.417951] worker_thread+0x299/0x3c0 [ 3.417997] ? rescuer_thread+0x4c0/0x4c0 [ 3.418043] kthread+0x101/0x1f0 [ 3.418089] ? kthreads_online_cpu+0x110/0x110 [ 3.418153] ? kthreads_online_cpu+0x110/0x110 [ 3.418209] ret_from_fork+0x11c/0x140 [ 3.418257] ? kthreads_online_cpu+0x110/0x110 [ 3.418307] ret_from_fork_asm+0x11/0x20 [ 3.418355] [ 3.418386] ---[ end trace 0000000000000000 ]---