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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 - Error Message "Memory allocation problem" using hashlimit match"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1235">1235</a>
</td>
</tr>
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<th>Summary</th>
<td>Error Message "Memory allocation problem" using hashlimit match
</td>
</tr>
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<th>Product</th>
<td>iptables
</td>
</tr>
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<th>Version</th>
<td>1.6.x
</td>
</tr>
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<th>Hardware</th>
<td>x86_64
</td>
</tr>
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<th>OS</th>
<td>Gentoo
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P5
</td>
</tr>
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<th>Component</th>
<td>iptables
</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>nrittner@layer23.de
</td>
</tr></table>
<p>
<div>
<pre>When using "--match hashlimit" with "--hashlimit-name" that contains a slash,
iptables terminates with the error message: "iptables: Memory allocation
problem."
since "--hashlimit-name" is used to compose a state-filename within
/proc/net/ipt_hashlimit without any further subdirectories, a useful hint
should be printed out, rather than dying with that error.
relevant lines of strace are:
getsockopt(4, SOL_IP, IPT_SO_GET_INFO,
"filter\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., [84]) = 0
getsockopt(4, SOL_IP, IPT_SO_GET_ENTRIES,
"filter\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., [34176]) = 0
setsockopt(4, SOL_IP, IPT_SO_SET_REPLACE,
"filter\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 34720) = -1
ENOMEM (Cannot allocate memory)
close(4) = 0
write(2, "iptables: Memory allocation prob"..., 37iptables: Memory allocation
problem.
) = 37
kernel version: 4.9.76 x86_64
reproducible: always
maybe the reason is to be find in kernel-code rather than in the
iptables-command ? - don't know
cheers,
nico</pre>
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</p>
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