--TEST-- imagecreatefromwbmp with invalid wbmp --SKIPIF-- --FILE-- "); } //write header $c = 0; fputs($fp, chr($c), 1); fputs($fp, $c, 1); //write width = 2^32 / 4 + 1 $c = 0x84; fputs($fp, chr($c), 1); $c = 0x80; fputs($fp, chr($c), 1); fputs($fp, chr($c), 1); fputs($fp, chr($c), 1); $c = 0x01; fputs($fp, chr($c), 1); /*write height = 4*/ $c = 0x04; fputs($fp, chr($c), 1); /*write some data to cause overflow*/ for ($i=0; $i<10000; $i++) { fwrite($fp, chr($c), 1); } fclose($fp); $im = imagecreatefromwbmp($filename); unlink($filename); ?> --EXPECTF-- Warning: imagecreatefromwbmp(): gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully in %s on line %d Warning: imagecreatefromwbmp(): '%s' is not a valid WBMP file in %s on line %d