sched: enforce ref-counting on current task/thread pointers

2026-04-01 18:17:05 +01:00
parent 15c2207ab9
commit 512356ac2d
28 changed files with 364 additions and 103 deletions
@@ -8,18 +8,22 @@ kern_status_t sys_futex_wait(
 	kern_futex_t new_val,
 	unsigned int flags)
 {
-	struct task *self = current_task();
+	struct task *self = get_current_task();
 	if (!validate_access_r(self, futex, sizeof *futex)) {
+		put_current_task(self);
 		return KERN_MEMORY_FAULT;
 	}

 	futex_key_t key;
 	kern_status_t status = futex_get(futex, &key, flags);
 	if (status != KERN_OK) {
+		put_current_task(self);
 		return status;
 	}

-	return futex_wait(key, new_val, flags);
+	status = futex_wait(key, new_val, flags);
+	put_current_task(self);
+	return status;
 }

 kern_status_t sys_futex_wake(