From: askold2 at velo dot nsk dot ru
Operating system: any
PHP version: 4.4.6
PHP Bug Type: PCRE related
Bug description: preg_match crash
Description:
------------
the regular expression like ((any text)*(other text)*)* produce the hang
or crash of PHP program. In the previous versions of php all worked
properly.
Reproduce code:
---------------
$subj="sdfgsdg";
if(preg_match('/^((a)*(b)*)*$/',$subj))
echo "match";
else
echo "not match";
Expected result:
----------------
"match" or "not match" printing
Actual result:
--------------
nothing. the hung of script on my unux hosting and breaking program in
windows
--
Edit bug report at http://bugs.php.net/?id=40706&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=40706&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=40706&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=40706&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=40706&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=40706&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=40706&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=40706&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=40706&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=40706&r=support
Expected behavior: http://bugs.php.net/fix.php?id=40706&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=40706&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=40706&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=40706&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40706&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=40706&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=40706&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=40706&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=40706&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=40706&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=40706&r=mysqlcfg
