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    <body><span class="vcard"><a class="email" href="mailto:Thomas.Freitag@alfa.de" title="Thomas Freitag <Thomas.Freitag@alfa.de>"> <span class="fn">Thomas Freitag</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - library should be thread-safe"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=50992">bug 50992</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">Attachment #72218 is obsolete</td>
           <td>
                
           </td>
           <td>1
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - library should be thread-safe"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=50992#c130">Comment # 130</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - library should be thread-safe"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=50992">bug 50992</a>
              from <span class="vcard"><a class="email" href="mailto:Thomas.Freitag@alfa.de" title="Thomas Freitag <Thomas.Freitag@alfa.de>"> <span class="fn">Thomas Freitag</span></a>
</span></b>
        <pre>Created <span class=""><a href="attachment.cgi?id=72729" name="attach_72729" title="Enhancements for damaged PDFs">attachment 72729</a> <a href="attachment.cgi?id=72729&action=edit" title="Enhancements for damaged PDFs">[details]</a></span>
Enhancements for damaged PDFs

clang gave me a hint, unfortunately not the solution. And working on a solution
I had more than one moment where I wanted to give up or at least planned to
change the solution that it isn't allowed to reconstruct xref tables in the
thread based solution.
But finally I succeeded: the attached patch doesn't crash (or at least it seems
to be) anymore on broken PDF without getting new problems. I stopped my tests
either with the clang or with the normal compiled version after running 5
minutes without any crashes.</pre>
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