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<a href="https://gitlab.com/ansasaki">Anderson Sasaki</a> created an issue:
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<h2 dir="auto">
<a id="user-content-description-of-problem" class="anchor" href="#description-of-problem" aria-hidden="true"></a>Description of problem:</h2>
<p dir="auto">The bug was initially reported in <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1816583" rel="nofollow noreferrer noopener" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1816583</a></p>
<p dir="auto">When <code>gnutls-serv</code> is executed with the <code>--echo</code> option, it exits when a message to be echoed is received. It outputs</p>
<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Memory error</span></code></pre>
<h2 dir="auto">
<a id="user-content-version-of-gnutls-used" class="anchor" href="#version-of-gnutls-used" aria-hidden="true"></a>Version of gnutls used:</h2>
<p dir="auto">gnutls-3.6.12</p>
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<a id="user-content-distributor-of-gnutls-eg-ubuntu-fedora-rhel" class="anchor" href="#distributor-of-gnutls-eg-ubuntu-fedora-rhel" aria-hidden="true"></a>Distributor of gnutls (e.g., Ubuntu, Fedora, RHEL)</h2>
<p dir="auto">Fedora 32</p>
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<a id="user-content-how-reproducible" class="anchor" href="#how-reproducible" aria-hidden="true"></a>How reproducible:</h2>
<p dir="auto">100%</p>
<p dir="auto">Steps to Reproduce:</p>
<ul dir="auto">
<li>Generate server private key and certificate</li>
<li>Run the server with <code>--echo</code> option. For example:</li>
</ul>
<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">$ gnutls-serv --echo --x509certfile=cert.pem --x509keyfile=key.pem -p 4433</span></code></pre>
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<li>Connect using a client and send a message to be echoed. For example, run:</li>
</ul>
<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">$ gnutls-cli --insecure localhost:4433</span></code></pre>
<p dir="auto">Type the message to be echoed.</p>
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<a id="user-content-actual-results" class="anchor" href="#actual-results" aria-hidden="true"></a>Actual results:</h2>
<p dir="auto">Server closes connection and outputs:</p>
<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">Memory error</span></code></pre>
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<a id="user-content-expected-results" class="anchor" href="#expected-results" aria-hidden="true"></a>Expected results:</h2>
<p dir="auto">Server sends a copy of the received message to the client without closing the connection.</p>
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