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Bug #54388 Php segfaults when ob_end_clean() is called into ob handler
Submitted: 2011-03-26 10:40 UTC Modified: 2013-02-18 00:34 UTC
From: superbaloo at superbaloo dot net Assigned:
Status: No Feedback Package: Reproducible crash
PHP Version: 5.3.6 OS: Linux (at least)
Private report: No CVE-ID: None
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From: superbaloo at superbaloo dot net
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 [2011-03-26 10:40 UTC] superbaloo at superbaloo dot net 
Description:
------------
This is an incorrect use of output buffering stuff okay ... but i don't think 
segfaults are a feature.

Test script:
---------------
function handler($message) {
  ob_end_clean();
  echo $message;
}

ob_start('handler');

echo "foo";

Expected result:
----------------
foo

Actual result:
--------------
segfault

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 [2011-03-29 11:36 UTC] aharvey@php.net
-Status: Open +Status: Feedback
 [2011-03-29 11:36 UTC] aharvey@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.

I can't reproduce this on any machine I have to hand, so a backtrace is definitely going to be needed here.
 [2013-02-18 00:34 UTC] php-bugs at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.
 
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