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<base href="https://bugzilla.netfilter.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - extra: checksum computation bugs"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1075">1075</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>extra: checksum computation bugs
</td>
</tr>
<tr>
<th>Product</th>
<td>libnetfilter_queue
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>P5
</td>
</tr>
<tr>
<th>Component</th>
<td>libnetfilter_queue
</td>
</tr>
<tr>
<th>Assignee</th>
<td>netfilter-buglog@lists.netfilter.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>alin.nastac@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=480" name="attach_480" title="checksum computation fix">attachment 480</a> <a href="attachment.cgi?id=480&action=edit" title="checksum computation fix">[details]</a></span>
checksum computation fix
There are 2 issues regarding transport checksum computation:
- UDP checksum is computed incorrectly, the used pseudo IP header
contains transport protocol 6 iso 17
- on big endian arches the UDP/TCP checksum is incorrectly computed
when payload length is odd
This patch was derived from the one found in
<a href="http://www.spinics.net/lists/netfilter/msg56704.html">http://www.spinics.net/lists/netfilter/msg56704.html</a> .</pre>
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