[ 16.256915] pm_nl_ctl (755) used greatest stack depth: 12000 bytes left [ 31.569840] ------------[ cut here ]------------ [ 31.569957] refcount_t: underflow; use-after-free. [ 31.570055] WARNING: CPU: 2 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 31.570189] Modules linked in: [ 31.570275] CPU: 2 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 31.570431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.570528] Workqueue: netns cleanup_net [ 31.570604] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 31.570685] Code: 8c e8 48 df ba ff 90 0f 0b 90 90 c3 80 3d c9 50 ec 00 00 75 89 c6 05 c0 50 ec 00 01 90 48 c7 c7 c8 4a 32 8c e8 25 df ba ff 90 <0f> 0b 90 90 c3 80 3d a4 50 ec 00 00 0f 85 62 ff ff ff c6 05 97 50 [ 31.570919] RSP: 0018:ffffae1e00257d50 EFLAGS: 00010286 [ 31.570995] RAX: 0000000000000000 RBX: ffffae1e00257d60 RCX: 00000000ffffdfff [ 31.571100] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 31.571183] RBP: ffffae1e00257878 R08: ffffffff8c75ca28 R09: 00000000ffffdfff [ 31.571263] R10: ffffffff8c67ca40 R11: ffffffff8c72ca40 R12: dead000000000122 [ 31.571346] R13: 00000000fffbe6ea R14: 0000000000000001 R15: ffff8914c4fa2000 [ 31.571436] FS: 0000000000000000(0000) GS:ffff891571ec0000(0000) knlGS:0000000000000000 [ 31.571526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.571598] CR2: 0000557def790dec CR3: 0000000006a15002 CR4: 0000000000772ef0 [ 31.571681] PKRU: 55555554 [ 31.571725] Call Trace: [ 31.571776] [ 31.571836] netdev_run_todo+0x21a/0x550 [ 31.571910] ops_undo_list+0x1e3/0x1f0 [ 31.571982] cleanup_net+0x1b7/0x2b0 [ 31.572053] process_one_work+0x162/0x380 [ 31.572123] worker_thread+0x299/0x3c0 [ 31.572199] ? rescuer_thread+0x4c0/0x4c0 [ 31.572262] kthread+0x101/0x1f0 [ 31.572341] ? kthreads_online_cpu+0x110/0x110 [ 31.572428] ? kthreads_online_cpu+0x110/0x110 [ 31.572509] ret_from_fork+0x11c/0x140 [ 31.572586] ? kthreads_online_cpu+0x110/0x110 [ 31.572670] ret_from_fork_asm+0x11/0x20 [ 31.572741] [ 31.572767] ---[ end trace 0000000000000000 ]---