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    <body><span class="vcard"><a class="email" href="mailto:vmiklos@collabora.com" title="Miklos Vajna <vmiklos@collabora.com>"> <span class="fn">Miklos Vajna</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Saving DOCX to ODT with hiding tracking changes trashes all images"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=135144">bug 135144</a>
          <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Keywords</td>
           <td>regression
           </td>
           <td>implementationError
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">CC</td>
           <td>
                
           </td>
           <td>michael.stahl@cib.de
           </td>
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Saving DOCX to ODT with hiding tracking changes trashes all images"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=135144#c5">Comment # 5</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Saving DOCX to ODT with hiding tracking changes trashes all images"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=135144">bug 135144</a>
              from <span class="vcard"><a class="email" href="mailto:vmiklos@collabora.com" title="Miklos Vajna <vmiklos@collabora.com>"> <span class="fn">Miklos Vajna</span></a>
</span></b>
        <pre>Now that <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - FILEOPEN: Writer document "Read Error. Format error discovered in the file in sub-document content.xml at 2,68950(row,col).""
   href="show_bug.cgi?id=130707">bug 130707</a> is fixed, this is crashing in code introduced in core.git
commit 522ed1b685f5b7eb52efb9d874dfacc02bf82139 (ofz#18563 sw: fix 2 problems
with field marks, 2019-12-06). The immediate problem is:

Thread 1 "soffice.bin" received signal SIGSEGV, Segmentation fault.
0x00007fffcf0fb3fb in sw::CalcBreaks (rBreaks=std::__debug::vector of length 0,
capacity 0, rPam=SwPaM = {...}, isOnlyFieldmarks=false)
    at
/home/vmiklos/git/libreoffice/master/sw/source/core/doc/DocumentContentOperationsManager.cxx:561
561                                    
assert(std::get<0>(startedFields.top())->IsCoveringPosition(SwPosition(rTextNode,
i)));
(gdb) print startedFields
$1 = std::stack wrapping: std::__debug::deque with 1 element = {std::tuple
containing = {[1] = 0x0, [2] = false, [3] = 0, [4] = 0}}

I.e. we unconditionally dereference std::get<0>(startedFields.top()), but it's
a nullptr.

Michael Stahl: any idea what's going on here? Should I add a nullptr check
there or is there a deeper problem here?

Steps to reproduce:

1) Open <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=163550" name="attach_163550" title="Example file (smaller)">attachment 163550</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=163550&action=edit" title="Example file (smaller)">[details]</a></span> from this bug.
2) Save as ODT.
3) Open the ODT -> crash.

Sounds like a problem in the recently added CH_TXT_ATR_FIELDSEP feature.</pre>
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