1--TEST--
2imagecreatefromwbmp with invalid wbmp
3--SKIPIF--
4<?php
5    if (!function_exists('imagecreatefromwbmp')) die("skip gd extension not available\n");
6    if (GD_BUNDLED) die("skip requires extern GD\n");
7?>
8--FILE--
9<?php
10$filename = __DIR__ . '/_tmp.wbmp';
11$fp = fopen($filename,"wb");
12if (!$fp) {
13    exit("Failed to create <$filename>");
14}
15
16//write header
17$c = 0;
18fputs($fp, chr($c), 1);
19fputs($fp, $c, 1);
20
21//write width = 2^32 / 4 + 1
22$c = 0x84;
23fputs($fp, chr($c), 1);
24$c = 0x80;
25fputs($fp, chr($c), 1);
26fputs($fp, chr($c), 1);
27fputs($fp, chr($c), 1);
28$c = 0x01;
29fputs($fp, chr($c), 1);
30
31/*write height = 4*/
32$c = 0x04;
33fputs($fp, chr($c), 1);
34
35/*write some data to cause overflow*/
36for ($i=0; $i<10000; $i++) {
37    fwrite($fp, chr($c), 1);
38}
39
40fclose($fp);
41$im = imagecreatefromwbmp($filename);
42unlink($filename);
43?>
44--EXPECTF--
45gd warning: Product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully
46
47Warning: imagecreatefromwbmp(): "%s_tmp.wbmp" is not a valid WBMP file in %s on line %d
48