+static noinline void __init kasan_workqueue_work(struct work_struct *work)
+{
+ kfree(work);
+}
+
+static noinline void __init kasan_workqueue_uaf(void)
+{
+ struct workqueue_struct *workqueue;
+ struct work_struct *work;
+
+ workqueue = create_workqueue("kasan_wq_test");
+ if (!workqueue) {
+ pr_err("Allocation failed\n");
+ return;
+ }
+ work = kmalloc(sizeof(struct work_struct), GFP_KERNEL);
+ if (!work) {
+ pr_err("Allocation failed\n");
+ return;
+ }
+
+ INIT_WORK(work, kasan_workqueue_work);
+ queue_work(workqueue, work);
+ destroy_workqueue(workqueue);
+
+ pr_info("use-after-free on workqueue\n");
+ ((volatile struct work_struct *)work)->data;
+}