From: Ilia Alshanetsky <iliaa@php.net>
Date: Tue, 6 Jan 2004 22:44:40 +0000 (+0000)
Subject: Check if realloc() succeeds or not. (Noticed by Andrey)
X-Git-Tag: php_ibase_before_split~371
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=68a096f84eb380dd7f9250a207d338f4fe02a01b;p=php

Check if realloc() succeeds or not. (Noticed by Andrey)
---

diff --git a/Zend/zend_mm.c b/Zend/zend_mm.c
index 04102720ef..0a9793e399 100644
--- a/Zend/zend_mm.c
+++ b/Zend/zend_mm.c
@@ -408,6 +408,9 @@ void *zend_mm_realloc(zend_mm_heap *heap, void *p, size_t size)
 		/* segment size, size of block and size of guard block */
 		realloc_to_size = ZEND_MM_ALIGNED_SEGMENT_SIZE+true_size+ZEND_MM_ALIGNED_HEADER_SIZE;
 		segment = realloc(segment, realloc_to_size);
+		if (!segment) {
+			return NULL;
+		}
 
 		if (segment != segment_copy) {
 			if (heap->segments_list == segment_copy) {