1--TEST-- 2Bug #72730: imagegammacorrect allows arbitrary write access 3--SKIPIF-- 4<?php 5if (!function_exists("imagecreatetruecolor")) die("skip"); 6?> 7--FILE-- 8<?php 9 10require __DIR__ . '/func.inc'; 11 12$img = imagecreatetruecolor(1, 1); 13 14trycatch_dump( 15 fn() => imagegammacorrect($img, -1, 1337) 16); 17 18?> 19--EXPECT-- 20!! [ValueError] imagegammacorrect(): Argument #2 ($input_gamma) must be greater than 0 21