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Bug #46156 Infinite recursion in class destructor causes crash
Submitted: 2008-09-23 10:00 UTC Modified: 2016-03-26 23:31 UTC
Votes:5
Avg. Score:3.0 ± 1.8
Reproduced:2 of 2 (100.0%)
Same Version:2 (100.0%)
Same OS:1 (50.0%)
From: kalle@php.net Assigned: dmitry (profile)
Status: Duplicate Package: Scripting Engine problem
PHP Version: 5.3, 6 (2009-09-24) OS: *
Private report: No CVE-ID: None
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From: kalle@php.net
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 [2008-09-23 10:00 UTC] kalle@php.net 
Description:
------------
Creating a new instance of the same class in a class destructor which causes infinite recursion will cause PHP to crash, instead of throwing a memory_limit error.

Dmitry told me to report this so it wouldn't be forgotten.

Reproduce code:
---------------
<?php
	class Crash
	{
		public function __destruct()
		{
			new self;
		}
	}

	new Crash;
?>

Expected result:
----------------
memory_limit error

Actual result:
--------------
Crash

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 [2008-12-05 07:28 UTC] kalle@php.net 
I've discovered one more crash and reported here of the same type:
http://bugs.php.net/bug.php?id=46754
 [2009-02-16 12:19 UTC] kalle@php.net 
Heres another one with __call():
<?php
	class Test
	{
		public function __call($call, Array $args)
		{
			call_user_func_array(Array($this, $call), $args);
		}
	}

	$test = new Test;
	$test->crash();
?>
 [2009-03-13 11:12 UTC] kalle@php.net 
This one is a little odd, however I get a memory_limit error but straight after it crashes:
<?php
	start:
	{
		$a = function($b) use($a)
		{
			$a();
		};
	}

	goto start;
?>
 [2016-03-26 23:31 UTC] nikic@php.net
-Status: Assigned +Status: Duplicate
 [2016-03-26 23:31 UTC] nikic@php.net 
Closing as duplicate of bug #64280. It's newer, but has more discussion.
 
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