1--TEST-- 2Bug #81739 (OOB read due to insufficient validation in imageloadfont()) 3--EXTENSIONS-- 4gd 5--FILE-- 6<?php 7$s = fopen(__DIR__ . "/font.font", "w"); 8// header without character data 9fwrite($s, "\x01\x00\x00\x00\x20\x00\x00\x00\x08\x00\x00\x00\x08\x00\x00\x00"); 10fclose($s); 11var_dump(imageloadfont(__DIR__ . "/font.font")); 12?> 13--CLEAN-- 14<?php 15@unlink(__DIR__ . "/font.font"); 16?> 17--EXPECTF-- 18Warning: imageloadfont(): %croduct of memory allocation multiplication would exceed INT_MAX, failing operation gracefully 19 in %s on line %d 20 21Warning: imageloadfont(): Error reading font, invalid font header in %s on line %d 22bool(false)
