From: sqchen at citiz dot net
Operating system: redhat 7.3
PHP version: 5.1.2
PHP Bug Type: Streams related
Bug description: stream_filter_register cause memory leaks
Description:
------------
stream_filter_register cause memory leaks when the php version is 5.1.2
and add --enable-debug parameter
Reproduce code:
---------------
<?php
class strtolower_filter extends php_user_filter{}
stream_filter_register("strtolower", "strtolower_filter");
$fp = fopen("foo-bar.txt", "w");
stream_filter_append($fp, "strtolower");
fwrite($fp, "Line1\n");
fwrite($fp, "WORD - 2\n");
fwrite($fp, "Easy As 123\n");
fclose($fp);
readfile("foo-bar.txt");
?>
Actual result:
--------------
[Thu Feb 23 13:32:38 2006] Script: 'stream_filter_register.php'
/home/sqchen/sqchen/php-5.1.2/main/streams/filter.c(78) : Freeing
0x083EEC14 (32 bytes), script=stream_filter_register.php
Last leak repeated 2 times
=== Total 3 memory leaks detected ===
--
Edit bug report at http://bugs.php.net/?id=36492&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=36492&r=trysnapshot44
Try a CVS snapshot (PHP 5.1):
http://bugs.php.net/fix.php?id=36492&r=trysnapshot51
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=36492&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=36492&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=36492&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=36492&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=36492&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=36492&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=36492&r=support
Expected behavior: http://bugs.php.net/fix.php?id=36492&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=36492&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=36492&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=36492&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=36492&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=36492&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=36492&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=36492&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=36492&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=36492&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=36492&r=mysqlcfg