From: tomwys at o2 dot pl
Operating system: Linux
PHP version: 5.2.0
PHP Bug Type: Output Control
Bug description: ob_start call many times - memory error
Description:
------------
I have tested this code on two machines. I have memory error or endless
loop.
On first machine code fails from $count = 385 on second machine from
$count = 1633.
Reproduce code:
---------------
<?php
$count = 385;
for($i = 1; $i < $count; $i ++) {
ob_start();
echo $i;
ob_flush();
}
?>
Expected result:
----------------
123456789101112[etc.]
Actual result:
--------------
First machine:
1[there is endless loop and 100% CPU]
Second machine:
1*** glibc detected *** double free or corruption (top):
0x0000000004c9c370 ***
Aborted
--
Edit bug report at http://bugs.php.net/?id=40259&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=40259&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=40259&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=40259&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=40259&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=40259&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=40259&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=40259&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=40259&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=40259&r=support
Expected behavior: http://bugs.php.net/fix.php?id=40259&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=40259&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=40259&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=40259&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40259&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=40259&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=40259&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=40259&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=40259&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=40259&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=40259&r=mysqlcfg
