tests/008.php fail with PHP 8.4: Maximum call stack size reached

[mlazdans]

tests/008.php

Fatal error: Uncaught Error: Maximum call stack size of 8355840 bytes (zend.max_allowed_stack_size - zend.reserved_stack_size) reached. Infinite recursion? in tests/008.php:9
Stack trace:
#0 [internal function]: event_callback('TEST2', Resource id #12)
#1 tests/008.php(32): usleep(300000.0)
#2 {main}
  thrown in tests/008.php on line 9
[Tue Mar  4 19:06:20 2025]  Script:  'tests/008.php'
/opt/php8.4/include/php/Zend/zend_string.h(176) :  Freeing 0x00007f01ffa82940 (32 bytes), script=tests/008.php
=== Total 1 memory leaks detected ===

It passed with PHP 7.4

[MartinKoeditz]

Same problem for PHP 8.3. Until 8.2 everything is fine. We'll have to check.

[mlazdans]

It's something to do with the fact that these events can interrupt PHP execution. I don't know internals at that level and how exactly to fix this though.