[ 2.311279] GACT probability NOT on [ 2.529271] ------------[ cut here ]------------ [ 2.529363] refcount_t: underflow; use-after-free. [ 2.529434] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 2.529533] Modules linked in: vxlan act_gact cls_flower sch_ingress [ 2.529614] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 2.529716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.529792] Workqueue: netns cleanup_net [ 2.529846] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 2.529911] Code: b5 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 15 b5 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 [ 2.530113] RSP: 0018:ffffb68f40257d50 EFLAGS: 00010286 [ 2.530182] RAX: 0000000000000000 RBX: ffffb68f40257d60 RCX: 00000000ffffdfff [ 2.530279] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 2.530372] RBP: ffffb68f40257858 R08: ffffffffb595ba28 R09: 00000000ffffdfff [ 2.530456] R10: ffffffffb587ba40 R11: ffffffffb592ba40 R12: dead000000000122 [ 2.530539] R13: 00000000fffb7581 R14: 0000000000000001 R15: ffff91c9c49f7000 [ 2.530627] FS: 0000000000000000(0000) GS:ffff91ca48b91000(0000) knlGS:0000000000000000 [ 2.530719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.530799] CR2: 0000556030d22f10 CR3: 0000000018046005 CR4: 0000000000772ef0 [ 2.530893] PKRU: 55555554 [ 2.530927] Call Trace: [ 2.530955] [ 2.530989] netdev_run_todo+0x21a/0x550 [ 2.531048] ops_undo_list+0x1e3/0x1f0 [ 2.531097] cleanup_net+0x1b7/0x300 [ 2.531140] process_one_work+0x162/0x380 [ 2.531194] worker_thread+0x299/0x3c0 [ 2.531247] ? rescuer_thread+0x4c0/0x4c0 [ 2.531290] kthread+0x101/0x1f0 [ 2.531332] ? kthreads_online_cpu+0x110/0x110 [ 2.531396] ? kthreads_online_cpu+0x110/0x110 [ 2.531467] ret_from_fork+0x11c/0x140 [ 2.531518] ? kthreads_online_cpu+0x110/0x110 [ 2.531575] ret_from_fork_asm+0x11/0x20 [ 2.531626] [ 2.531660] ---[ end trace 0000000000000000 ]---