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Bug #28938 foreach statement can be forced to crash PHP
Submitted: 2004-06-28 09:25 UTC Modified: 2005-02-23 01:00 UTC
Votes:1
Avg. Score:3.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:1 (100.0%)
From: tomas_matousek at hotmail dot com Assigned:
Status: No Feedback Package: Scripting Engine problem
PHP Version: 5.0.0RC3 OS: WinXP
Private report: No CVE-ID: None
View Developer Edit
 [2004-06-28 09:25 UTC] tomas_matousek at hotmail dot com 
Description:
------------
The following code crashes PHP.

Reproduce code:
---------------
$a = array(0,1,2);
foreach ($a as $value)
{
  $a->foo = "bar";
}

Expected result:
----------------
none

Actual result:
--------------
crash

Patches

Pull Requests

History

AllCommentsChangesGit/SVN commitsRelated reports
 [2004-06-30 07:10 UTC] curt@php.net 
here is some output in debug mode:
$a = array(0,1);
foreach ($a as $value)
{
  $a->foo = "bar";
}


PHP Warning:  Attempt to assign property of non-object in /php/bugs/28938.php on line 6
PHP Warning:  Attempt to assign property of non-object in /php/bugs/28938.php on line 6
[Wed Jun 30 05:09:40 2004]  Script:  '28938.php'
---------------------------------------
/php/php-src/Zend/zend_execute.c(76) : Block 0x0840AAEC status:
/cvs/php/php-src/Zend/zend_execute.h(61) : Actual location (location was relayed)
Beginning:      Overrun (magic=0x00000006, expected=0x7312F8DC)
      End:      Unknown
---------------------------------------
PHP Warning:  String is not zero-terminated (ZZZZ...)
        (source: /cvs/php/php-src/Zend/zend_opcode.c:215) in Unknown on line 0
[Wed Jun 30 05:09:40 2004]  Script:  '28938.php'
---------------------------------------
/cvs/php/php-src/Zend/zend_opcode.c(215) : Block 0x0840BD18 status:
/cvs/php/php-src/Zend/zend_variables.c(45) : Actual location (location was relayed)
Beginning:      Cached (allocated on /cvs/php/php-src/Zend/zend_language_scanner.l:1510, 4 bytes)
      End:      OK
---------------------------------------
 [2004-07-13 18:13 UTC] fixxxer at php5 dot ru 
Reproduced on WinXP, latest snap. Could not reproduce on FreeBSD. Seems to be win32 specific
 [2005-02-15 01:24 UTC] tony2001@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5.0-win32-latest.zip
 [2005-02-23 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".
 
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