diff -Nur php-src-5.3.orig//Zend/zend_hash.c php-src-5.3/Zend/zend_hash.c
--- php-src-5.3.orig//Zend/zend_hash.c	2011-04-28 17:14:31.003354396 +0700
+++ php-src-5.3/Zend/zend_hash.c	2011-04-28 17:15:42.081164359 +0700
@@ -175,9 +175,10 @@
 		ht->arBuckets = tmp;
 	} else {
 		tmp = (Bucket **) ecalloc_rel(ht->nTableSize, sizeof(Bucket *));
-		if (tmp) {
-			ht->arBuckets = tmp;
+		if (!tmp) {
+			return FAILURE;
 		}
+		ht->arBuckets = tmp;
 	}
 	
 	return SUCCESS;