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<a href="https://gitlab.com/wizeman">Ricardo M. Correia</a>
commented:
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<p dir="auto">Ok, I believe I figured out what's going on. I ran the tests in a slightly different (non-sandboxed) environment and they passed, but they still didn't pass in the sandboxed environment.</p>
<p dir="auto">I noticed that <code>test-ciphers-api.sh</code> was failing with <code>SIGILL</code> in the sandboxed environment, but only on the 4th run of the <code>aes128-cbc</code> test.</p>
<p dir="auto">However, in the non-sandboxed environment, <code>aes128-cbc</code> only ran twice, because <code>test-ciphers-api.sh</code> exited early with the <code>non-x86 CPU detected</code> message.</p>
<p dir="auto">So the problem was that <code>test-ciphers-api.sh</code> was not detecting that this was not a x86 CPU in the sandboxed environment.
The root cause of the problem is in this code, inside <code>tests/scripts/common.sh</code>:</p>
<pre class="code highlight js-syntax-highlight shell" lang="shell" v-pre="true"><code><span id="LC1" class="line" lang="shell">exit_if_non_x86<span class="o">()</span></span>
<span id="LC2" class="line" lang="shell"><span class="o">{</span></span>
<span id="LC3" class="line" lang="shell">which lscpu <span class="o">></span>/dev/null 2>&1</span>
<span id="LC4" class="line" lang="shell"><span class="k">if </span><span class="nb">test</span> <span class="nv">$?</span> <span class="o">=</span> 0<span class="p">;</span><span class="k">then</span></span>
<span id="LC5" class="line" lang="shell"> <span class="si">$(</span>which lscpu<span class="si">)</span>|grep Architecture|grep x86</span>
<span id="LC6" class="line" lang="shell"> <span class="k">if </span><span class="nb">test</span> <span class="nv">$?</span> <span class="o">!=</span> 0<span class="p">;</span><span class="k">then</span></span>
<span id="LC7" class="line" lang="shell"><span class="k"> </span><span class="nb">echo</span> <span class="s2">"non-x86 CPU detected"</span></span>
<span id="LC8" class="line" lang="shell"> <span class="nb">exit </span>0</span>
<span id="LC9" class="line" lang="shell"> <span class="k">fi</span></span>
<span id="LC10" class="line" lang="shell"><span class="k">fi</span></span>
<span id="LC11" class="line" lang="shell"><span class="o">}</span></span></code></pre>
<p dir="auto">The way this is implemented, a non-x86 CPU will never be detected if <code>lscpu</code> is not available, i.e. if
<code>utillinux</code> is not installed and included in the <code>PATH</code> variable.</p>
<p dir="auto">My suggestion is that this code is reworked to use the <code>uname -m</code> command, which is more likely to be available as it's part of <code>coreutils</code>, or that <code>utillinux</code> is added as a required dependency in <code>README.md</code> and/or wherever else the dependencies are documented.</p>
<p dir="auto">Either way, I'm going to add <code>utillinux</code> as a dependency of GnuTLS in NixOS, to fix this issue in the meantime.</p>
<p dir="auto">Thanks!</p>
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