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ub in gd_interpolation.c #20047
Description
Description
The following code:
<?php
$v_1115 = 1;
$v_2154 = 1;
$v_1078 = 2147483647;
$v_2156 = 1;
$v_2157 = 1;
$v_2158 = 1;
$v_2152 = array(0 => $v_1115,1 => $v_2154,2 => $v_1078,3 => $v_2156,4 => $v_2157,5 => $v_2158,);
$v_2159 = 8;
$v_2160 = 8;
$v_2161 = imagecreatetruecolor($v_2159,$v_2160,);
try{
$v_2165 = imageaffine($v_2161,$v_2152,);
}
catch (ValueError $e){
}Resulted in this output:
/home/w023dtc/nightly_php/php-src/ext/gd/libgd/gd_interpolation.c:2084:17: runtime error: 1.71799e+10 is outside the range of representable values of type 'int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/w023dtc/nightly_php/php-src/ext/gd/libgd/gd_interpolation.c:2084:17
PHP Version
nightly
Operating System
ubuntu 22.04
Activity
devnexen commentedon Oct 3, 2025
Looks like a duplicate of #19730
chongwick commentedon Oct 3, 2025
my bad, i don't know how i missed that...
devnexen commentedon Oct 3, 2025
no worries it s fine thanks for your reports ;)
chongwick commentedon Oct 4, 2025
I'm happy to contribute to this project. All of you guys work extremely hard.