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Bug #34450 Segfault when calling close() in destructor.
Submitted: 2005-09-10 03:46 UTC Modified: 2005-09-13 11:20 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:0 (0.0%)
From: etnu at etnu dot org Assigned:
Status: Closed Package: MySQLi related
PHP Version: 5CVS-2005-09-10 (snap) OS: *
Private report: No CVE-ID:
 [2005-09-10 03:46 UTC] etnu at etnu dot org
Description:
------------
I'm getting a seg fault when calling mysqli::close() from a derived object in the destructor.

This happens in PHP 5.0.5 (stable), 5.1.0RC1, and all latest snaps, but it does NOT happen in 5.0.4.

Current workaround:

Leave connections open; dunno if this is a major issue or not as connections are supposed to get closed when the script terminates anyway.

Reproduce code:
---------------
<?php
class Data extends mysqli
{
        public function __construct($Host,$User,$Pass,$DB)
        {
                parent::__construct($Host,$User,$Pass,$DB);
        }
        public function __destruct()
        {
                // parent::close(); causes the segfault as well.
                $this->close();
        }
}

$DB = new Data('192.168.50.3','web','f@m!l!es','hermes');

?>


Expected result:
----------------
Not seg faulting.

Actual result:
--------------
Segmentation faults.



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 [2005-09-13 09:55 UTC] hans dot duedal at gmail dot com
Happens on FreeBSD 5.4 (x86_64) as well...

Does mysqli::__destruct close the connection?
 [2005-09-13 11:20 UTC] tony2001@php.net
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.


 
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