#31091 [Opn->Fbk]: Apache2 crash with SimpleXML and XPath

From: Date: Mon, 10 Jan 2005 15:29:51 +0000
Subject: #31091 [Opn->Fbk]: Apache2 crash with SimpleXML and XPath
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-71721@lists.php.net to get a copy of this message 
 ID:               31091
 Updated by:       sniper@php.net
 Reported By:      cpuidle at gmx dot de
-Status:           Open
+Status:           Feedback
-Bug Type:         Reproducible crash
+Bug Type:         SimpleXML related
 Operating System: WinXP SP1
 PHP Version:      5.0.2
 New Comment:

Please try using this CVS snapshot:

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




Previous Comments:
------------------------------------------------------------------------

[2004-12-14 17:31:54] cpuidle at gmx dot de

The same code, but without the xpath expression does not crash (and of
course not work...):

foreach
($xml->ListOfRepositoryWorkflowProcess->RepositoryWorkflowProcess->ListOfRepositoryWfStep->RepositoryWfStep->ListOfRepositoryWfStepIOArgument->RepositoryWfStepIOArgument
as $wfArg)

------------------------------------------------------------------------

[2004-12-14 17:26:19] cpuidle at gmx dot de

Description:
------------
I'm using xpath to retrieve a child node from an xml structure, then
loop over subelements of this node. This crashes reproducibly at the
foreach loop (apache log file: child process exited with status
3221225477 -- Restarting)
Same happens with latest 5.0.3RC2

Reproduce code:
---------------
$step = 'FindThisNode';

$node =
$xml->xpath('ListOfRepositoryWorkflowProcess/RepositoryWorkflowProcess/ListOfRepositoryWfStep/RepositoryWfStep[Name3="'.$step.'"]');

print_r($node);

# crash here!
foreach
($node->ListOfRepositoryWfStepIOArgument->RepositoryWfStepIOArgument as
$wfArg)
{
}


Expected result:
----------------
no crash?!



------------------------------------------------------------------------


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