Segmentation fault (stack overflow) in Zend/zend_alloc.c:1435

[YuanchengJiang]

Description

The following code:

<?php
class MemoryLeak
{
public function __construct()
{
$this->things[] = $this;
}
public function __destruct()
{
$fusion->things[] = null;
}
}
for ($i = 0; $i < 100000; ++$i) {
$obj = new MemoryLeak();
}

Resulted in this output: https://3v4l.org/9eRM1/rfc#vgit.master

PHP Version

PHP 8.4.0-dev

Operating System

ubuntu 22.04

[cmb69]

With less than or exactly 10,000 iterations, there is a single error reported. With more than 10,000 iterations, the errors are chained. Might be related to the GC.

Note that the deprecation warning is unrelated; the same happens when MemoryLeak::$things is declared.

[nielsdos]

Related to #15869