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Bug #28337 endless recursion crashes Apache
Submitted: 2004-05-09 17:33 UTC Modified: 2004-05-17 21:39 UTC
From: wf at bitplan dot com Assigned:
Status: Not a bug Package: Reproducible crash
PHP Version: 5.0.0RC2 OS: Windows XP SP1
Private report: No CVE-ID: None
View Developer Edit
 [2004-05-09 17:33 UTC] wf at bitplan dot com 
Description:
------------
Endless recursion crashes Apache
PHP should simply report a stack-overflow exception and die
This was called non repairable in 2002 but I'd seem its not
acceptable for the object oriented PHP 5 version anymore

Reproduce code:
---------------
<?php
class recurse
{
	function loop() {
		$this->loop();
  } // loop
}

$endless=new recurse();
$endless->loop();
?>	


Expected result:
----------------
stack-overflow message

Actual result:
--------------
Apache crashes

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 [2004-05-09 17:58 UTC] magnus@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

Don't do that.
 [2004-05-17 21:39 UTC] wf at bitplan dot com 
Endless recursion is detected in any decent programming language. I'd consider PHP a decent programming language if it does detect endless recursion. A simple stack overflow message will do. Not detecting endless recursion is an inacceptable design decision for PHP since an apache crash is not acceptable result for such a simple problem.
 
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