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UBSan abort in ext/gd/libgd/gd_interpolation.c:1007 #16559
Description
Description
The following code:
<?php
$input = imagecreatefrompng(__DIR__ . '/gh10614.png');
for ($angle = 0; $angle <= 270; $angle += 90) {
$output = imagerotate($input, $angle, 0);
}
$fusion = $output;
$thumbnail = imagescale($fusion, -1, 64, IMG_BICUBIC);Resulted in this output:
/php-src/ext/gd/libgd/gd_interpolation.c:1007:28: runtime error: left shift of 134 by 24 places cannot be represented in type 'int'
PHP Version
nightly
Operating System
ubuntu 22.04
Activity
ndossche commentedon Oct 23, 2024
Right, alpha must be 0x7f at most;
uchar_clampin upstream takes an extra argument but we don't...Fix phpGH-16559: UBSan abort in ext/gd/libgd/gd_interpolation.c:1007
Fix GH-16559: UBSan abort in ext/gd/libgd/gd_interpolation.c:1007
Merge branch 'PHP-8.2' into PHP-8.3
Merge branch 'PHP-8.3' into PHP-8.4
Merge branch 'PHP-8.4'