Bug #67265 [NEW]: Segmentation fault on json_encode with json_serializable

From: Date: Tue, 13 May 2014 14:09:17 +0000
Subject: Bug #67265 [NEW]: Segmentation fault on json_encode with json_serializable
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-185795@lists.php.net to get a copy of this message
From:             edu at offerum dot com
Operating system: Linux (Ubuntu 14.04)
PHP version:      5.5.12
Package:          JSON related
Bug Type:         Bug
Bug description:Segmentation fault on json_encode with json_serializable

Description:
------------
php-cgi segfaults when trying to encode a class which extends
json_serializable.
At least this happens when the json_serialize method unsets a variable
declared in the class.

Example in:
http://3v4l.org/TSgMV

---
From manual page: http://www.php.net/class.jsonserializable
---



Test script:
---------------
class C implements JsonSerializable {
    var $a = 'lol';
    var $b = 'fa';
    public function jsonSerialize() { 
	$aux = clone($this);
        unset($aux->a);
        return $aux; 
    }
}
echo json_encode(new C()); //Ka-boom!!

Expected result:
----------------
The object json-encoded only with var $b.

Actual result:
--------------
Segmentation fault.

-- 
Edit bug report at https://bugs.php.net/bug.php?id=67265&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=67265&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=67265&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=67265&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=67265&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=67265&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=67265&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=67265&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=67265&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=67265&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=67265&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=67265&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=67265&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=67265&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=67265&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=67265&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=67265&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=67265&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=67265&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=67265&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=67265&r=mysqlcfg



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