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Signed integer overflow in ext/calendar/cal_unix.c:63 #16231

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YuanchengJiang opened this issue Oct 5, 2024 · 0 comments
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Signed integer overflow in ext/calendar/cal_unix.c:63 #16231

YuanchengJiang opened this issue Oct 5, 2024 · 0 comments
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Bug Extension: calendar Status: Verified

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@YuanchengJiang
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Description

The following code:

<?php
jdtounix(-9223372036854775807);

Resulted in this output:

/php-src/ext/calendar/cal_unix.c:63:7: runtime error: signed integer overflow: -9223372036854775807 - 2440588 cannot be represented in type 'long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /php-src/ext/calendar/cal_unix.c:63:7

### PHP Version

PHP 8.4.0-dev

### Operating System

ubuntu 22.04
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@devnexen devnexen

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Bug Extension: calendar Status: Verified
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Fix GH-16231 jdtounix overflow on argument value. devnexen/php-src
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@devnexen @YuanchengJiang