1--TEST-- 2Bug #74435 (Buffer over-read into uninitialized memory) 3--SKIPIF-- 4<?php 5if (!extension_loaded('gd')) die('skip gd extension not available'); 6?> 7--FILE-- 8<?php 9$im = imagecreatefromgif(__DIR__ . DIRECTORY_SEPARATOR . 'bug74435.gif'); 10var_dump($im); 11$width = imagesx($im); 12$height = imagesy($im); 13for ($i = 0; $i < $width; $i += 16) { 14 for ($j = 0; $j < $height; $j += 16) { 15 if (($index = imagecolorat($im, $i, $j)) >= 2) { 16 list($red, $green, $blue, $alpha) = array_values(imagecolorsforindex($im, $index)); 17 if ($red !== 0 || $green !== 0 || $blue !== 0 || $alpha !== 0) { 18 echo "unexpected color at ($i, $j)\n"; 19 } 20 } 21 } 22} 23?> 24===DONE=== 25--EXPECTF-- 26resource(%d) of type (gd) 27===DONE=== 28
