PHP :: Bug #49450 :: Segmentation fault with ArrayObject::offsetSet()

Bug #49450	Segmentation fault with ArrayObject::offsetSet()
Submitted:	2009-09-03 10:33 UTC	Modified:	2009-09-04 11:08 UTC
From:	arnold at adaniels dot nl	Assigned:	bjori (profile)
Status:	Closed	Package:	Website problem
PHP Version:	5.3.0	OS:	Linux / Ubuntu 9.04
Private report:	No	CVE-ID:	None

View Developer Edit

[2009-09-03 10:33 UTC] arnold at adaniels dot nl

Description:
------------
Using array access on $this in ArrayObject::offsetSet() causes a segmentation fault.

(Calling parent::offsetSet() instead, works fine)

Reproduce code:
---------------
class AOTest extends ArrayObject
{
	public function offsetSet($index, $newval)
	{
		$this[$index] = (int)$newval;
	}	
}

$a = new AOTest();
$a['test'] = "10 doves";
var_dump((array)$a);

Expected result:
----------------
array(1) {
  ["test"]=>
  int(10)
}


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

Patches

Pull Requests

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[2009-09-03 10:42 UTC] derick@php.net

Please do not submit the same bug more than once. An existing
bug report already describes this very problem. Even if you feel
that your issue is somewhat different, the resolution is likely
to be the same. 

Thank you for your interest in PHP.

49449

[2009-09-03 10:49 UTC] arnold at adaniels dot nl

The PHP bugs app resulted in 'Authentication failed' and appeared not to have submitted the bug. Therefor I pressed 'Submit' again. I didn't get the confirmed page until I cleared my cookies.

[2009-09-03 10:54 UTC] derick@php.net

Changing this one to a website issue then... #49449 is still your original report.

[2009-09-03 11:58 UTC] arnold at adaniels dot nl

The same problem occured again. I get the message:

Authentication failed: Incorrect username Authentication failed: Incorrect username
Warning: Cannot modify header information - headers already sent by (output started at /home/Web/sites/php-bugs-web/include/auth.inc:30) in /home/Web/sites/php-bugs-web/report.php on line 201

---
My cookies:

http://bugs.php.net/report.php

2 cookies
Name	MAGIC_COOKIE
Value	OnJ1bGV6NGZy
Host	.php.net
Path	/
Secure	No
Expires	Tue, 15 Sep 2009 10:49:57 GMT

Name	PHPSESSID
Value	276ed6ccd97d407df90fca8f38334a0c
Host	bugs.php.net
Path	/
Secure	No
Expires	At End Of Session

[2009-09-03 18:30 UTC] bjori@php.net

Why do you have MAGIC_COOKIE at all?
Did you try to login as developer at some point to any php.net service?

[2009-09-03 18:33 UTC] bjori@php.net

Should be fixed in r287998.

Although I am still curious why you have that cookie.

[2009-09-04 09:47 UTC] arnold at adaniels dot nl

I think I got it with the option to save the bug's password in a cookie ('remember for the next time' or something).

[2009-09-04 11:08 UTC] svn@php.net

Automatic comment from SVN on behalf of bjori
Revision: http://svn.php.net/viewvc/?view=revision&revision=288039
Log: Fixed bug#49450 (normal users get developers authentication errors)
# Re-enable the authentication errors messages for devs (with set username)

[2009-09-04 11:08 UTC] bjori@php.net

This bug has been fixed in SVN. Since the websites are not directly
updated from the SVN server, the fix might need some time to spread
across the globe to all mirror sites, including PHP.net itself.

Thank you for the report, and for helping us make PHP.net better.

Found it, thanks for the report!

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