From: php_nospam at ramihyn dot sytes dot net
Operating system: Windows, Debian Sarge
PHP version: 5.1.2
PHP Bug Type: Scripting Engine problem
Bug description: Problem with $this in __destruct()
Description:
------------
segfault caused by setting properties to null in __destruct()
Reproduce code:
---------------
<?php
class Person {
public $dad;
public function __destruct() {
$this->dad = null; /* no segfault if this is commented out */
}
}
class Dad extends Person {
public $son;
public function __construct() {
$this->son = new Person;
$this->son->dad = $this; /* no segfault if this is commented
out */
}
public function __destruct() {
$this->son = null;
parent::__destruct(); /* segfault here */
}
}
$o = new Dad;
unset($o);
?>
Expected result:
----------------
No segfault
Actual result:
--------------
PHP crashes due to a segfault (crashes apache worker thread when running
as apache module)
--
Edit bug report at http://bugs.php.net/?id=36006&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=36006&r=trysnapshot44
Try a CVS snapshot (PHP 5.1):
http://bugs.php.net/fix.php?id=36006&r=trysnapshot51
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=36006&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=36006&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=36006&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=36006&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=36006&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=36006&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=36006&r=support
Expected behavior: http://bugs.php.net/fix.php?id=36006&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=36006&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=36006&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=36006&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=36006&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=36006&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=36006&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=36006&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=36006&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=36006&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=36006&r=mysqlcfg
