Description

When building the Symfony cache using FrankenPHP and PHP ZTS provided by the official Alpine PHP image, a segmentation fault occurs on this line: https://github.com/symfony/symfony/blob/517128f8795d28990134010259585c6d623d087f/src/Symfony/Component/ErrorHandler/DebugClassLoader.php#L296

Symfony basically includes a lot of files to build the Dependency Injection Container cache, but this always fails on the same class/file:

<?php

include '/app/vendor/composer/../symfony/framework-bundle/DependencyInjection/Configuration.php';

The issue occurs with Alpine but not with the Debian image. It happens even if opcache is disabled or not installed.

Quick reproducer:

composer create-project symfony/skeleton reproducer
cd reproducer
docker run -p 80:80 -p 443:443 -v $PWD:/app dunglas/frankenphp:latest-alpine

PHP Version

PHP 8.2.10 ZTS

Operating System

Alpine Linux 3.18