From: Pierre Joye <pajoye@php.net>
Date: Mon, 17 Jul 2006 14:30:21 +0000 (+0000)
Subject: - #38112, add test and use MAX_LWZ_BITS instead of the value
X-Git-Tag: php-5.2.0RC1~79
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2a06ce851817feb1026a4b22ad388b0a76a30acb;p=php

- #38112, add test and use MAX_LWZ_BITS instead of the value
---

diff --git a/ext/gd/libgd/gd_gif_in.c b/ext/gd/libgd/gd_gif_in.c
index b4bc7752d0..e3d635b31f 100644
--- a/ext/gd/libgd/gd_gif_in.c
+++ b/ext/gd/libgd/gd_gif_in.c
@@ -522,7 +522,7 @@ static void ReadImage(gdImagePtr im, gdIOCtx *fd, int len, int height, unsigned
 		return;
 	}
 
-	if (c > 8) {
+	if (c > MAX_LWZ_BITS) {
 		return;	
 	}
 
diff --git a/ext/gd/tests/bug38112.gif b/ext/gd/tests/bug38112.gif
new file mode 100644
index 0000000000..178d27e357
Binary files /dev/null and b/ext/gd/tests/bug38112.gif differ
diff --git a/ext/gd/tests/bug38112.phpt b/ext/gd/tests/bug38112.phpt
new file mode 100644
index 0000000000..6c52271248
--- /dev/null
+++ b/ext/gd/tests/bug38112.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Bug #38112 (GIF Invalid Code size ).
+--SKIPIF--
+<?php 
+	if (!extension_loaded('gd')) {	
+		die("skip gd extension not available\n");
+	}
+	if (!GD_BUNDLED) {
+		die('skip external GD libraries may fail');
+	}
+?>
+--FILE--
+<?php
+$im = imagecreatefromgif(dirname(__FILE__) . '/bug38112.gif');
+?>
+--EXPECTF--
+Warning: imagecreatefromgif(): '%sbug38112.gif' is not a valid GIF file in %sbug38112.php on line %d