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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 - memory leaks when netfilter is used to filter network traffic"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1384">1384</a>
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<th>Summary</th>
<td>memory leaks when netfilter is used to filter network traffic
</td>
</tr>
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<th>Product</th>
<td>netfilter/iptables
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>mips
</td>
</tr>
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<th>OS</th>
<td>other
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
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<th>Priority</th>
<td>P5
</td>
</tr>
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<th>Component</th>
<td>netfilter hooks
</td>
</tr>
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<th>Assignee</th>
<td>netfilter-buglog@lists.netfilter.org
</td>
</tr>
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<th>Reporter</th>
<td>sw1416ab@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>we used iptables to filter traffic to userspace and used libnetfilter_queue to
get the traffic, and simply verdict without any processing to the packets.
Found memory leaks.
Then we built a kernel module to filter traffic to queue 0, and
libnetfilter_queue is used to do the same. Still found memory leaks.
We also did another testing: in the kernel module, we do some condition check
to all the packets, no matter pass or not simply "return NF_ACCEPT". In this
test, libnetfilter_queue is not involved. Still found memory leaks. Without the
kernel module, there will be no memory leaks.
kernel version: 4-14-131. platform: openwrt-18.06.4.
Is it netfilter to complain or we missed something or did something
incorrectly?
Thanks in advance for your help.</pre>
</div>
</p>
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