<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1">
<title></title>
</head>
<body text="#000000" bgcolor="#ffffff">
Sergei Organov wrote:<br>
<blockquote type="cite" cite="mid874pm38pj5.fsf@javad.com">
<pre wrap="">Ralf Corsepius <a class="moz-txt-link-rfc2396E" href="mailto:ralf.corsepius@rtems.org"><ralf.corsepius@rtems.org></a> writes:
</pre>
<blockquote type="cite">
<pre wrap="">On Wed, 2007-05-23 at 08:43 -0700, Till Straumann wrote:
</pre>
</blockquote>
<pre wrap=""><!---->[...]
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap=""> Also, the fact that the problem
has been there for a while (at least 3.2.3 ... 4.1.1) makes me
believe that it might not have been reported yet.
</pre>
</blockquote>
<pre wrap="">This is what baffles me - such constructs are such kind of common,
</pre>
</blockquote>
<pre wrap=""><!---->
Really? With overlapping list nodes? Common?! Did you miss that the bug
could be exposed only when two nodes overlap like this:
node1: |next|prev|
node2: |next|prev|
?
</pre>
<blockquote type="cite">
<pre wrap="">my gut feeling is, "we must be missing something".
</pre>
</blockquote>
<pre wrap=""><!---->
I think it's rather unlikely that this bug will show itself in real-life
code, so chances are high nobody but Till noticed it yet.</pre>
</blockquote>
I was reading the m_freem() code about two days ago. I suspected<br>
some problems there, but I was not sure if it was gcc compiler related<br>
or related to other part of RTEMS code.<br>
It behaved the same at least 3.2.2 ... 4.1.1.<br>
<br>
Kate<br>
<blockquote type="cite" cite="mid874pm38pj5.fsf@javad.com">
<pre wrap="">
-- Sergei.
_______________________________________________
rtems-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:rtems-users@rtems.com">rtems-users@rtems.com</a>
<a class="moz-txt-link-freetext" href="http://rtems.rtems.org/mailman/listinfo/rtems-users">http://rtems.rtems.org/mailman/listinfo/rtems-users</a>
</pre>
</blockquote>
<br>
</body>
</html>