Bug #65591 [Com]: Segfault when calling parent::serialize in serialize().

From: Date: Sat, 06 Dec 2014 14:39:33 +0000
Subject: Bug #65591 [Com]: Segfault when calling parent::serialize in serialize().
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-188946@lists.php.net to get a copy of this message
Edit report at https://bugs.php.net/bug.php?id=65591&edit=1

 ID:                 65591
 Comment by:         andrzej at code dot eu
 Reported by:        arjen at react dot com
 Summary:            Segfault when calling parent::serialize in
                     serialize().
 Status:             Open
 Type:               Bug
 Package:            Reproducible crash
 Operating System:   Linux
 PHP Version:        5.5.6
 Block user comment: N
 Private report:     N

 New Comment:

Problem is not resolved. It can bee seeing on url http://3v4l.org/PBT99
in UsernamePasswordToken->roles[0]->webshop is ok but
UsernamePasswordToken->roles[1]->webshop is array not instance of Webshop class


Previous Comments:
------------------------------------------------------------------------
[2014-05-22 11:41:30] arjen at react dot com

This is fixed on the PHPNG (PHP 5.7) branch: http://3v4l.org/QFDDc#v57@20140507

------------------------------------------------------------------------
[2013-12-12 11:53:30] arjen at react dot com

Still crashes, see http://3v4l.org/QFDDc

------------------------------------------------------------------------
[2013-08-30 09:03:11] arjen at react dot com

Description:
------------
From https://bugs.php.net/bug.php?id=63481&edit=3
Created new issue cause it's different from original bugreport.

See 
https://gist.github.com/aurelijus/4713758

Crashes 5.4.0 - 5.5.3: http://3v4l.org/PBT99

Test script:
---------------
<?php
class Permission implements \Serializable {
    protected $id = 3;
    public function serialize()
    {
        return serialize(array($this->id));
    }
    public function unserialize($serialized)
    {
        list($this->id) = unserialize($serialized);
    }
 
}
 
class UserPermission implements \Serializable {
    public $permission;
    public $webshop;
 
    public function serialize()
    {
        return serialize(array($this->webshop, $this->permission));
    }
    public function unserialize($serialized)
    {
        list($this->webshop, $this->permission) = unserialize($serialized);
    }
}
 
class Webshop  implements \Serializable {
    protected $id = 13;
    public function serialize()
    {
        return serialize(array($this->id));
    }
    public function unserialize($serialized)
    {
        list($this->id) = unserialize($serialized);
    }
 
}
 
class AbstractToken  implements \Serializable {
    public $roles;
 
    public function serialize()
    {
        return serialize(array($this->roles));
    }
    public function unserialize($serialized)
    {
        list($this->roles) = unserialize($serialized);
    }
 
}
class UsernamePasswordToken extends AbstractToken {
    private $credentials = null;
    private $providerKey = null;
 
    public function serialize()
    {
        return serialize(array($this->credentials, $this->providerKey, parent::serialize()));
    }
 
    public function unserialize($str)
    {
        list($this->credentials, $this->providerKey, $parentStr) = unserialize($str);
        parent::unserialize($parentStr);
    }
}
 
$token = new UsernamePasswordToken();
$webshop = new Webshop;
$permission = new Permission;
$roles = array();
for ($i = 0; $i < 2; $i++) {
    $roles[$i] = new UserPermission();
    $roles[$i]->webshop = $webshop;
    $roles[$i]->permission = $permission;
}
$token->roles = $roles;
var_dump(unserialize(serialize($token)));

Actual result:
--------------
segfault
Backtrace @ https://gist.github.com/anonymous/5720464


------------------------------------------------------------------------



--
Edit this bug report at https://bugs.php.net/bug.php?id=65591&edit=1


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