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Bug #46204 Anonymous function segfaults when used in spl_autoload_register
Submitted: 2008-09-30 17:48 UTC Modified: 2009-05-25 11:54 UTC
From: north at sublink dot ca Assigned:
Status: Not a bug Package: Reproducible crash
PHP Version: 5.3.0alpha4-dev OS: linux 2.6
Private report: No CVE-ID: None
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 [2008-09-30 17:48 UTC] north at sublink dot ca 
Description:
------------
Using an lambda function as the argument to spl_autoload_register causes a segfault.

When storing the lambda function in a variable though, it works fine:

<?php
$l = function($name){};
spl_autoload_register($l);
new O();
?>

Using a default install.

Reproduce code:
---------------
<?php
spl_autoload_register(function($name){});
new O();
?>

Expected result:
----------------
Fatal error: Class 'O' not found

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

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 [2008-10-01 23:25 UTC] felipe@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.3-latest.tar.gz
 
For Windows (zip):
 
  http://snaps.php.net/win32/php5.3-win32-latest.zip

For Windows (installer):

  http://snaps.php.net/win32/php5.3-win32-installer-latest.msi

I can't reproduce it.
 [2008-10-02 00:02 UTC] north at sublink dot ca 
I've tried using the latest snapshot of 5.3 (php5.3-200810012230)

PHP 5.3.0alpha3-dev (cli) (built: Oct  1 2008 16:52:06) 
Copyright (c) 1997-2008 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2008 Zend Technologies

This still causes a segfault:

php -r 'spl_autoload_register(function($n){});new T();'

I`m running Ubuntu 8.04.1 inside of VirtualBox 2.0.2

Let me know if there is any other information that would be helpful.
 [2008-10-02 00:09 UTC] north at sublink dot ca 
Tested on php5.3-win32-200809251104, and it worked as expected. No segfault.

Anything else I should try?
 [2008-10-09 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 [2008-10-18 17:58 UTC] felipe@php.net 
Ok, thanks.
 [2009-01-14 22:06 UTC] north at sublink dot ca 
I've tried the 2009-01-14 snapshot on linux again, and the code is still causing a segmentation fault.

Just to be clear: it segfaults in linux, but not in windows.

Here is the code again to reproduce the bug:

# php -r 'spl_autoload_register(function($n){});new T();'
Segmentation fault

And the php version:

# php -v
PHP 5.3.0alpha4-dev (cli) (built: Jan 14 2009 01:06:21)

I'm not sure this should be marked as Bogus.
 [2009-05-25 11:54 UTC] north at sublink dot ca 
Tried again with PHP5.3RC1, and it's fixed!
 
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