<div class="markdown_content"><hr />
<p><strong> <a class="alink" href="http://sourceforge.net/p/pure-data/bugs/1092/">[bugs:#1092]</a> tcpserver crashes with more than 32 connexion </strong></p>
<p><strong>Status:</strong> open<br />
<strong>Created:</strong> Wed Jul 03, 2013 12:01 PM UTC by Antoine Villeret<br />
<strong>Last Updated:</strong> Wed Jul 03, 2013 12:01 PM UTC<br />
<strong>Owner:</strong> nobody</p>
<p>tcpserver crashes when there is already 32 connexion and new client tries to connect</p>
<p>here is a gdb output : </p>
<div class="codehilite"><pre><span class="nx">antoine</span><span class="p">@</span><span class="nx">Dell</span><span class="na">-XPS</span><span class="o">-</span><span class="mi">15</span><span class="nb">Z</span><span class="p">:</span><span class="err">~</span><span class="p">/</span><span class="nx">Bureau</span><span class="p">/</span><span class="nx">crash</span><span class="err">$</span> <span class="nx">gdb</span> <span class="nx">pd</span>
<span class="nx">GNU</span> <span class="nx">gdb</span> <span class="p">(</span><span class="nx">Ubuntu</span><span class="p">/</span><span class="nx">Linaro</span> <span class="mf">7.4</span><span class="o">-</span><span class="mf">2012.04</span><span class="o">-</span><span class="mi">0</span><span class="nx">ubuntu2.1</span><span class="p">)</span> <span class="mf">7.4</span><span class="o">-</span><span class="mf">2012.04</span>
<span class="nx">Copyright</span> <span class="p">(</span><span class="nx">C</span><span class="p">)</span> <span class="mi">2012</span> <span class="nx">Free</span> <span class="nx">Software</span> <span class="nx">Foundation</span><span class="p">,</span> <span class="nx">Inc.</span>
<span class="nx">License</span> <span class="nx">GPLv3</span><span class="o">+</span><span class="p">:</span> <span class="nx">GNU</span> <span class="nx">GPL</span> <span class="nb">version</span> <span class="mi">3</span> <span class="ow">or</span> <span class="nx">later</span> <span class="o"><</span><span class="nx">http</span><span class="p">:</span><span class="c1">//gnu.org/licenses/gpl.html></span>
<span class="nx">This</span> <span class="nx">is</span> <span class="nx">free</span> <span class="nx">software</span><span class="p">:</span> <span class="nx">you</span> <span class="nx">are</span> <span class="nx">free</span> <span class="k">to</span> <span class="nx">change</span> <span class="ow">and</span> <span class="nx">redistribute</span> <span class="nx">it.</span>
<span class="nx">There</span> <span class="nx">is</span> <span class="nx">NO</span> <span class="nx">WARRANTY</span><span class="p">,</span> <span class="k">to</span> <span class="nx">the</span> <span class="nx">extent</span> <span class="nx">permitted</span> <span class="k">by</span> <span class="nx">law.</span> <span class="k">Type</span> <span class="s2">"show copying"</span>
<span class="ow">and</span> <span class="s2">"show warranty"</span> <span class="nb">for</span> <span class="nx">details.</span>
<span class="nx">This</span> <span class="nx">GDB</span> <span class="nx">was</span> <span class="nx">configured</span> <span class="nx">as</span> <span class="s2">"x86_64-linux-gnu"</span><span class="nx">.</span>
<span class="nb">For</span> <span class="nx">bug</span> <span class="nx">reporting</span> <span class="nx">instructions</span><span class="p">,</span> <span class="nx">please</span> <span class="nx">see</span><span class="p">:</span>
<span class="o"><</span><span class="nx">http</span><span class="p">:</span><span class="c1">//bugs.launchpad.net/gdb-linaro/>...</span>
<span class="nx">Reading</span> <span class="nx">symbols</span> <span class="nb">from</span> <span class="p">/</span><span class="nx">usr</span><span class="p">/</span><span class="nb">local</span><span class="p">/</span><span class="nx">bin</span><span class="p">/</span><span class="nx">pd...</span><span class="p">(</span><span class="nx">no</span> <span class="nx">debugging</span> <span class="nx">symbols</span> <span class="nx">found</span><span class="p">)</span><span class="nx">...done.</span>
<span class="p">(</span><span class="nx">gdb</span><span class="p">)</span> <span class="nb">run</span> <span class="na">-noaudio</span> <span class="na">-nrt</span> <span class="na">-noprefs</span> <span class="nx">raw_server_2.pd</span>
<span class="nx">Starting</span> <span class="nx">program</span><span class="p">:</span> <span class="p">/</span><span class="nx">usr</span><span class="p">/</span><span class="nb">local</span><span class="p">/</span><span class="nx">bin</span><span class="p">/</span><span class="nx">pd</span> <span class="na">-noaudio</span> <span class="na">-nrt</span> <span class="na">-noprefs</span> <span class="nx">raw_server_2.pd</span>
<span class="err">[</span><span class="k">Thread</span> <span class="nx">debugging</span> <span class="nx">using</span> <span class="nx">libthread_db</span> <span class="nx">enabled</span><span class="cp">]</span>
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7ffff3e9d700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13862</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7ffff369c700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13867</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7ffff2e9b700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13871</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7ffff269a700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13873</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7ffff1e99700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13880</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7ffff1698700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13882</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7ffff0e97700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13889</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffe3fff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13891</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffe37fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13896</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffe2ffd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13900</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffe27fc700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13907</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffe1ffb700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13909</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffe17fa700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13916</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffe0ff9700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13918</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffd3fff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13934</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffd37fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13936</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffd2ffd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13947</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffd27fc700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13951</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffd1ffb700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13956</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffd17fa700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13958</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffd0ff9700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13965</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffbffff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13966</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffbf7fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13974</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffbeffd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13976</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffbe7fc700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13983</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffbdffb700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13985</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffbd7fa700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13990</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffbcff9700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">13992</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffaffff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14001</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffaf7fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14003</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffaeffd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14010</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffae7fc700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14012</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffadffb700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14018</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffad7fa700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14021</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fffacff9700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14028</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff9bfff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14030</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff9b7fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14037</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff9affd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14039</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff9a7fc700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14045</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff99ffb700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14048</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff997fa700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14055</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff98ff9700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14057</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff8bfff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14064</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff8b7fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14066</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff8affd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14072</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff8a7fc700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14075</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff89ffb700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14082</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff897fa700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14084</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff88ff9700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14090</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff77fff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14093</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff777fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14099</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff76ffd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14102</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff767fc700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14109</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff75ffb700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14111</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff757fa700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14115</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff74ff9700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14119</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff67fff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14126</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff677fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14128</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff66ffd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14135</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff667fc700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14137</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff65ffb700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14144</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff657fa700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14145</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff64ff9700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14153</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff53fff700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14155</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff537fe700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14162</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="nb">New</span> <span class="k">Thread</span> <span class="mh">0x7fff52ffd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14164</span><span class="p">)</span><span class="cp">]</span>
<span class="cp">[</span><span class="k">Thread</span> <span class="mh">0x7fff52ffd700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">14164</span><span class="p">)</span> <span class="nx">exited</span><span class="cp">]</span>
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff40a6dde in tcpserver_socket2index (sockfd=<span class="nt"><optimized</span> <span class="na">out</span><span class="nt">></span>,
x=0x72dc60) at tcpserver.c:127
127 if(x->x_sr<span class="cp">[</span><span class="nx">i</span><span class="cp">]</span>->sr_fd == sockfd)
(gdb) bt
#0 0x00007ffff40a6dde in tcpserver_socket2index (sockfd=<span class="nt"><optimized</span> <span class="na">out</span><span class="nt">></span>,
x=0x72dc60) at tcpserver.c:127
#1 tcpserver_disconnect_socket (x=0x72dc60, fsocket=45) at tcpserver.c:474
#2 0x00007ffff3ea1c7d in pollfun (z=<span class="nt"><optimized</span> <span class="na">out</span><span class="nt">></span>, fd=<span class="nt"><optimized</span> <span class="na">out</span><span class="nt">></span>)
at iemnet_notify.c:126
#3 0x00000000004792ea in sys_domicrosleep.constprop.3 ()
#4 0x000000000047b0ea in sys_pollgui ()
#5 0x000000000047477a in m_mainloop ()
#6 0x00007ffff6e0476d in __libc_start_main (main=0x4114a0 <span class="nt"><main></span>, argc=5,
ubp_av=0x7fffffffe248, init=<span class="nt"><optimized</span> <span class="na">out</span><span class="nt">></span>, fini=<span class="nt"><optimized</span> <span class="na">out</span><span class="nt">></span>,
rtld_fini=<span class="nt"><optimized</span> <span class="na">out</span><span class="nt">></span>, stack_end=0x7fffffffe238) at libc-start.c:226
#7 0x00000000004114d1 in _start ()
(gdb)
</pre></div>
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