fix #38653 (memory leak in ReflectionClass::getConstant())

ext/reflection/php_reflection.c

@@ -206,6 +206,7 @@ static void _default_get_entry(zval *object, char *name, int name_len, zval *ret
 
 	*return_value = **value;
 	zval_copy_ctor(return_value);
+	INIT_PZVAL(return_value);
 }
 
 static void reflection_register_implement(zend_class_entry *class_entry, zend_class_entry *interface_entry TSRMLS_DC)
@@ -3261,6 +3262,7 @@ ZEND_METHOD(reflection_class, getConstant)
 	}
 	*return_value = **value;
 	zval_copy_ctor(return_value);
+	INIT_PZVAL(return_value);
 }
 /* }}} */
 

ext/reflection/tests/bug38653.phpt

@@ -0,0 +1,34 @@
+--TEST--
+Bug #38653 (memory leak in ReflectionClass::getConstant())
+--FILE--
+<?php
+
+class foo {
+	    const cons = 10;
+	    const cons1 = "";
+	    const cons2 = "test";
+}
+
+class bar extends foo {
+}
+
+$foo = new ReflectionClass("foo");
+var_dump($foo->getConstant("cons"));
+var_dump($foo->getConstant("cons1"));
+var_dump($foo->getConstant("cons2"));
+var_dump($foo->getConstant("no such const"));
+
+echo "Done\n";
+?>
+--EXPECTF--	
+int(10)
+string(0) ""
+string(4) "test"
+bool(false)
+Done
+--UEXPECTF--
+int(10)
+unicode(0) ""
+unicode(4) "test"
+bool(false)
+Done