Merge branch '5.2' into 5.x

nicolas-grekas · nicolas-grekas · commit a60879371f43 · 2021-01-12T15:39:23.000+01:00
* 5.2:
  [Semaphore] Dont allow unserializing classes with a destructor
diff --git a/src/Symfony/Component/Semaphore/Semaphore.php b/src/Symfony/Component/Semaphore/Semaphore.php
@@ -48,6 +48,16 @@ public function __construct(Key $key, PersistingStoreInterface $store, float $tt
         $this->logger = new NullLogger();
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     /**
      * Automatically releases the underlying semaphore when the object is destructed.
      */
