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Bug #46051 SplFileInfo::openFile - memory overlap
Submitted: 2008-09-11 13:46 UTC Modified: 2008-09-11 15:32 UTC
From: felipe@php.net Assigned:
Status: Closed Package: SPL related
PHP Version: 5.3CVS-2008-09-11 (CVS) OS:
Private report: No CVE-ID:
 [2008-09-11 13:46 UTC] felipe@php.net
Description:
------------
==906== Source and destination overlap in memcpy(0x6777400, 0x6777400, 32)
==906==    at 0x4022ED6: memcpy (mc_replace_strmem.c:116)
==906==    by 0x83FDED2: _estrndup (zend_alloc.c:2444)
==906==    by 0x84286C5: add_assoc_stringl_ex (zend_API.c:1157)
==906==    by 0x8274E3F: spl_filesystem_object_get_debug_info (spl_directory.c:548)
==906==    by 0x8361F20: php_var_dump (var.c:128)
==906==    by 0x836229C: zif_var_dump (var.c:178)
==906==    by 0x845468F: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315)
==906==    by 0x84427B2: execute (zend_vm_execute.h:104)
==906==    by 0x841CC2E: zend_execute_scripts (zend.c:1197)
==906==    by 0x83C22CC: php_execute_script (main.c:2075)
==906==    by 0x84B4C0C: main (php_cli.c:1130)


Reproduce code:
---------------
<?php

$x = new splfileinfo(__FILE__);

try {
$x->openFile(NULL, NULL, NULL);
} catch (Exception $e) { }

var_dump($x->getPathName());


Expected result:
----------------
string(32) "/home/felipe/public_html/bug.php"

Actual result:
--------------
string(32) "e/felipe/public_html/bug.php"

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History

AllCommentsChangesGit/SVN commitsRelated reports
 [2008-09-11 15:32 UTC] lbarnaud@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/.
 
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