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Bug #52041 Memory leak when writing on uninitialized variable returned from function
Submitted: 2010-06-10 19:18 UTC Modified: 2010-06-15 10:25 UTC
From: felipe@php.net Assigned: dmitry (profile)
Status: Closed Package: Scripting Engine problem
PHP Version: 5.2, 5.3, Trunk OS: Linux
Private report: No CVE-ID: None
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 [2010-06-10 19:18 UTC] felipe@php.net 
Description:
------------
See below.

Test script:
---------------
<?php

function foo() {
	return $x;
}

foo()->a = 1;

Expected result:
----------------
No memory leak.

Actual result:
--------------
Zend/zend_execute.c(723) :  Freeing 0x0A395E1C (20 bytes), script=../bug.php
=== Total 1 memory leaks detected ===

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 [2010-06-10 19:18 UTC] felipe@php.net
-Status: Open +Status: Assigned -PHP Version: Irrelevant +PHP Version: 5.2, 5.3, Trunk -Assigned To: +Assigned To: dmitry
 [2010-06-10 19:19 UTC] felipe@php.net 
It is also reproducible with:
foo()[] = 1;
 [2010-06-15 10:22 UTC] dmitry@php.net 
Automatic comment from SVN on behalf of dmitry
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=300457
Log: Fixed bug #52041 (Memory leak when writing on uninitialized variable returned from function)
 [2010-06-15 10:25 UTC] dmitry@php.net
-Status: Assigned +Status: Closed
 [2010-06-15 10:25 UTC] dmitry@php.net 
This bug has been fixed in SVN.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
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