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integer overflow in imagescale #20602
Description
Description
The following code:
<?php
$v_17401 = 2;
$v_3914 = 1;
$v_3915 = imagecreatetruecolor($v_17401,$v_3914,);
$v_3917 = 1;
$v_3918 = -($v_3917);
$v_17364 = 9223372036854775807;
$v_17415 = 1;
$v_3922 = imagescale($v_3915,$v_3918,$v_17364,$v_17415,);Resulted in this output:
/home/w023dtc/nightly_php/php-src/ext/gd/gd.c:3937:18: runtime error: signed integer overflow: 9223372036854775807 * 2 cannot be represented in type 'long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/w023dtc/nightly_php/php-src/ext/gd/gd.c:3937:18
But I expected this output instead:
PHP Version
nightly
Operating System
No response
Activity
Fix phpGH-20602: imagescale() overflow with large height values.
Merge branch 'PHP-8.3' into PHP-8.4
Merge branch 'PHP-8.4' into PHP-8.5
Merge branch 'PHP-8.5'
Fix GH-20602: imagescale() overflow with large height values.