From:             [EMAIL PROTECTED]
Operating system: Linux 2.2.16
PHP version:      4.0.6
PHP Bug Type:     Reproducible crash
Bug description:  Using $string = md5($string); crashed HTTP child processes

PHP Options:
'./configure' '--with-mysql' '--with-gd' '--enable-track-vars' 
'--with-jpeg-dir=/usr/local/lib' '--enable-bcmath' '--with-apache=../apache_1.3.20' 
'--enable-ftp' '--enable-sockets' '--with-mcrypt'

The problem I am having is:

When using the code:

$cipher = md5($cipher); httpd crashes the current child process with:

[Fri Jun 29 10:54:49 2001] [notice] child pid 9766 exit signal Segmentation fault (11)
[Fri Jun 29 10:54:50 2001] [notice] child pid 9920 exit signal Segmentation fault (11)

The page then fails to load, returning nothing to the browser.

Also, I have another function called CleanSring($string);  which looks like:

function CleanString($string)
        $string = strip_tags($string);
        $string = 
        $string = 
        $string = preg_replace("/<[^>]*>/","",$string);
        return $string;

Calling this function like:

$string = CleanString($string); causes the same problem.

Whats weird is I call md5() again below the problem code:

    $now = date("r");
    $thisID = md5(substr(makeID(), 0, 16));
    $onetimepass = substr(md5($thisID), 0, 8);

And neither of these causes the same problem, even when being used in the same 

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