#38721 [Asn->Csd]: date_parse() invalid read

From: Date: Fri, 08 Sep 2006 20:22:59 +0000
Subject: #38721 [Asn->Csd]: date_parse() invalid read
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-101895@lists.php.net to get a copy of this message 
 ID:               38721
 Updated by:       tony2001@php.net
 Reported By:      tony2001@php.net
-Status:           Assigned
+Status:           Closed
 Bug Type:         Date/time related
 Operating System: Linux
 PHP Version:      5CVS-2006-09-05 (CVS)
 Assigned To:      derick
 New Comment:

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




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

[2006-09-05 11:38:09] tony2001@php.net

Description:
------------
valgrind reports an invalid read in date_parse().


Reproduce code:
---------------
<?php
date_parse("");
?>

Expected result:
----------------
.

Actual result:
--------------
==6705== Invalid read of size 1
==6705==    at 0x80EBDF9: timelib_strtotime (parse_date.re:1528)
==6705==    by 0x80C90CD: zif_date_parse (php_date.c:1694)
==6705==    by 0x831A56D: zend_do_fcall_common_helper_SPEC
(zend_vm_execute.h:200)
==6705==    by 0x831D460: ZEND_DO_FCALL_SPEC_CONST_HANDLER
(zend_vm_execute.h:1657)
==6705==    by 0x831A180: execute (zend_vm_execute.h:92)
==6705==    by 0x82F1312: zend_eval_string (zend_execute_API.c:1130)
==6705==    by 0x82F1472: zend_eval_string_ex
(zend_execute_API.c:1164)
==6705==    by 0x836184B: main (php_cli.c:1141)
==6705==  Address 0x49BCD27 is 1 bytes before a block of size 1
alloc'd
==6705==    at 0x401C4CE: malloc (vg_replace_malloc.c:149)
==6705==    by 0x82E30BA: _emalloc (zend_alloc.c:1628)
==6705==    by 0x82E3454: _estrndup (zend_alloc.c:1752)
==6705==    by 0x82FAD23: _zval_copy_ctor_func (zend_variables.c:120)
==6705==    by 0x835DE0C: _zval_copy_ctor (zend_variables.h:45)
==6705==    by 0x831D830: ZEND_SEND_VAL_SPEC_CONST_HANDLER
(zend_vm_execute.h:1786)
==6705==    by 0x831A180: execute (zend_vm_execute.h:92)
==6705==    by 0x82F1312: zend_eval_string (zend_execute_API.c:1130)
==6705==    by 0x82F1472: zend_eval_string_ex
(zend_execute_API.c:1164)
==6705==    by 0x836184B: main (php_cli.c:1141)


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


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