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
@@ -496,11 +496,7 @@ kern_status_t pmap_handle_fault(
 {
 	// log_fault(fault_addr, flags);

-	if (flags & PMAP_FAULT_PRESENT) {
-		return KERN_FATAL_ERROR;
-	}
-
-	struct task *task = current_task();
+	struct task *task = get_current_task();
 	if (!task) {
 		return KERN_FATAL_ERROR;
 	}
@@ -511,7 +507,11 @@ kern_status_t pmap_handle_fault(
 	}

 	/* this must be called with `space` unlocked. */
-	return address_space_demand_map(space, fault_addr, flags);
+	kern_status_t status
+		= address_space_demand_map(space, fault_addr, flags);
+
+	put_current_task(task);
+	return status;
 }

 kern_status_t pmap_add(