Signed integer overflow in ext/calendar/dow.c:38

[YuanchengJiang]

Description

The following code:

<?php
jddayofweek(9223372036854775807, 1);

Resulted in this output:

ext/calendar/dow.c:38:13: runtime error: signed integer overflow: 9223372036854775807 + 1 cannot be represented in type 'long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /php-src/ext/calendar/dow.c:38:13

PHP Version

PHP 8.4.0-dev

Operating System

ubuntu 22.04