From: Anatol Belski <ab@php.net>
Date: Fri, 2 Sep 2016 09:33:17 +0000 (+0200)
Subject: fix mem leak
X-Git-Tag: php-7.1.0RC2~52^2~9
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=44e43a4738a45797457d6fe740bf33148a5e34c1;p=php

fix mem leak
---

diff --git a/ext/standard/image.c b/ext/standard/image.c
index f39c670979..c5616d1119 100644
--- a/ext/standard/image.c
+++ b/ext/standard/image.c
@@ -209,21 +209,27 @@ static struct gfxinfo *php_handle_swc(php_stream * stream)
 
 	b = ecalloc(1, len + 1);
 
-	if (php_stream_seek(stream, 5, SEEK_CUR))
+	if (php_stream_seek(stream, 5, SEEK_CUR)) {
+		efree(b);
 		return NULL;
+	}
 
-	if (php_stream_read(stream, (char *) a, sizeof(a)) != sizeof(a))
+	if (php_stream_read(stream, (char *) a, sizeof(a)) != sizeof(a)) {
+		efree(b);
 		return NULL;
+	}
 
 	if (uncompress(b, &len, a, sizeof(a)) != Z_OK) {
 		/* failed to decompress the file, will try reading the rest of the file */
 		if (php_stream_seek(stream, 8, SEEK_SET)) {
+			efree(b);
 			return NULL;
 		}
 
 		bufz = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0);
 
 		if (!bufz) {
+			efree(b);
 			return NULL;
 		}