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Bug #42846 Memory Leak in socket_recv and socket_read
Submitted: 2007-10-03 21:38 UTC Modified: 2007-11-21 10:00 UTC
From: brendoncrawford at gmail dot com Assigned:
Status: Not a bug Package: Sockets related
PHP Version: 5.2.4 OS: OSX 10.4 / FreeBSD 6.2
Private report: No CVE-ID: None
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From: brendoncrawford at gmail dot com
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 [2007-10-03 21:38 UTC] brendoncrawford at gmail dot com 
Description:
------------
Each call to socket_recv (or socket_read) leaks small amount of memory despite efforts to free up variables.

Reproduce code:
---------------
As far as I can tell, this is always reproduceable.

Please see:
http://pastebin.com/f342f6b99

Expected result:
----------------
Memory usage to decline back to original state before client connect.

Actual result:
--------------
If you simply connect and disconnect, you will see no problem. However, if you send data you will see memory usage slowly increasing.

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 [2007-10-03 21:39 UTC] brendoncrawford at gmail dot com 
Also reproduceable in FreeBSD 6.2
 [2007-11-21 10:00 UTC] jani@php.net 
The same happens without any sockets, just reusing some variable. It's how the Zend MM works, not a real leak.
 
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