Bug #54092 [NEW]: Segmentation fault when using FTP proxy

From: Date: Thu, 24 Feb 2011 15:47:51 +0000
Subject: Bug #54092 [NEW]: Segmentation fault when using FTP proxy
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-159010@lists.php.net to get a copy of this message 
From:             
Operating system: Linux
PHP version:      5.2.17
Package:          Reproducible crash
Bug Type:         Bug
Bug description:Segmentation fault when using FTP proxy

Description:
------------
Hi,
either the Bug (#42420) is still alive or it is re-alive. But I am not
allowed to re-open it. So sorry for opening a dup.

php -v says:
------------------
PHP 5.2.17-pl0-gentoo (cli) (built: Feb 18 2011 10:01:58)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
    with Xdebug v2.1.0, Copyright (c) 2002-2010, by Derick Rethans
------------------

The PHP died with SegFault on two different machines with two different
Proxies.

regards
Daniel

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

        $uri =
'ftp://pkg-shadow.alioth.debian.org/pub/pkg-shadow/shadow-4.1.4.3.tar.bz2';
        $proxy = 'tcp://proxy:8080';

        $opts = array(
                'ftp' => array(
                        'proxy' => $proxy
                )
        );

        $context = stream_context_create($opts);
        stream_context_set_params($context, array());

        $fh = fopen($uri, 'r', false, $context);
        while (!feof($fh)) {
                echo "foo\n";
                fread($fh, 4 * 1024);
        }

        fclose($fh);

?>


Expected result:
----------------
many foos ;-) and no segmentation fault

Actual result:
--------------
many foos and segementation fault

-- 
Edit bug report at http://bugs.php.net/bug.php?id=54092&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=54092&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=54092&r=trysnapshot53
Try a snapshot (trunk):              http://bugs.php.net/fix.php?id=54092&r=trysnapshottrunk
Fixed in SVN:                        http://bugs.php.net/fix.php?id=54092&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=54092&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=54092&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=54092&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=54092&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=54092&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=54092&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=54092&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=54092&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=54092&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=54092&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=54092&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=54092&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=54092&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=54092&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=54092&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=54092&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=54092&r=mysqlcfg

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