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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 - excessive memory usage with kernel 4.14"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1212">1212</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>excessive memory usage with kernel 4.14
</td>
</tr>
<tr>
<th>Product</th>
<td>ipset
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>other
</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>default
</td>
</tr>
<tr>
<th>Assignee</th>
<td>netfilter-buglog@lists.netfilter.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>thomas.schwark@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Hey,
I´m sorry in advance I am not able to fix this but installing kernel 4.14 and
above leads to an excessive use of memory tested on two machines. A system that
needs around 500 MB now uses around 15 GB out of 16 GB.
The archwiki here
<a href="https://wiki.archlinux.org/index.php/Ipset">https://wiki.archlinux.org/index.php/Ipset</a>
says to use this script to update sources:
<a href="https://github.com/ilikenwf/pg2ipset/blob/master/ipset-update.sh">https://github.com/ilikenwf/pg2ipset/blob/master/ipset-update.sh</a>
As soon as I run the script manually with kernel 4.14 and newer the excessive
memory usage starts again. If I then stop ipset service the memory usage keeps
being high. Reboot without running the script solves it. It does not happen
with 4.13 kernel series.
There was a bug report opened here:
<a href="https://bugs.archlinux.org/task/56574#comment165267">https://bugs.archlinux.org/task/56574#comment165267</a>
and the problem was tracked down to this commit:
When reverting commit 48596a8ddc46f96afb6a2cd72787cb15d6bb01fc
<a href="https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/net/netfilter/ipset?id=48596a8ddc46f96afb6a2cd72787cb15d6bb01fc">https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/net/netfilter/ipset?id=48596a8ddc46f96afb6a2cd72787cb15d6bb01fc</a>
and rebuilding the kernel without the commit everything works as expected again
and the problem is gone.
Hope this helps to solve it.
Thanks in advance.
Kind regards
Tom</pre>
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