UBSan alert at ext/gd/gd.c:1372

[YuanchengJiang]

Description

The following code:

<?php
$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OIMzTvvJXvvJbml6XmnKzoqp7jg4bjgq3jgrnjg4g=');
imagecreatefromstring($string_mb);

Resulted in this output:

ext/gd/gd.c:1372:14: runtime error: left shift of 214291174 by 7 places cannot be represented in type 'int'

PHP Version

nightly

Operating System

ubuntu 22.04