From: joungkyun at gmail dot com
Operating system: Linux
PHP version: 5CVS-2007-08-03 (CVS)
PHP Bug Type: Output Control
Bug description: unserialize artichecture problem
Description:
------------
There is serialized data that made with 64bit integer on 64 bit system.
On 32bit machine, if unserialize this data, you have result of integer
overflow.
Reproduce code:
---------------
On, 64bit system
echo serialize (4294967296 + 1);
=> result : "i:4294967297;"
On, 32bit system
echo unserilaize ("i:4294967297;");
=> result : 1
Expected result:
----------------
On, 32bit system
echo unserilaize ("i:4294967297;");
=> result : 4294967297
Actual result:
--------------
On, 32bit system
echo unserilaize ("i:4294967297;");
=> result : 1
--
Edit bug report at http://bugs.php.net/?id=42196&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=42196&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=42196&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=42196&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=42196&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=42196&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=42196&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=42196&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=42196&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=42196&r=support
Expected behavior: http://bugs.php.net/fix.php?id=42196&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=42196&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=42196&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=42196&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42196&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=42196&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=42196&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=42196&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=42196&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=42196&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=42196&r=mysqlcfg