Updated lock_release to update lock in objaddr list

src/kernel/thread_manager.rs

@@ -373,6 +373,7 @@ impl ThreadManager {
                 }
             }
         };
+        self.get_obj_addrs().update_lock(id, lock);
         machine.interrupt.set_status(old_status);
         Ok(MachineOk::Ok)
     }
@@ -464,7 +465,7 @@ mod test {
         {
             let lock = thread_manager.get_obj_addrs().search_lock(lock_id).unwrap();
             assert_eq!(lock.owner, None);
-            assert!(!lock.free);
+            assert!(lock.free);
             assert!(lock.waiting_queue.is_empty());
         }
     }