Dont allow unserializing classes with a destructor - 5.1

src/Symfony/Component/HttpClient/Response/AmpResponse.php

@@ -109,6 +109,16 @@ final class AmpResponse implements ResponseInterface
         return null !== $type ? $this->info[$type] ?? null : $this->info;
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     public function __destruct()
     {
         try {

src/Symfony/Component/Messenger/Bridge/AmazonSqs/Transport/Connection.php

@@ -63,6 +63,16 @@ class Connection
         $this->client = $client ?? new SqsClient([]);
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     public function __destruct()
     {
         $this->reset();

src/Symfony/Component/String/UnicodeString.php

@@ -359,6 +359,10 @@ class UnicodeString extends AbstractUnicodeString
 
     public function __wakeup()
     {
+        if (!\is_string($this->string)) {
+            throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+        }
+
         normalizer_is_normalized($this->string) ?: $this->string = normalizer_normalize($this->string);
     }