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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - CRASH: undoing paste ( debug build )"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=143387">143387</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>CRASH: undoing paste ( debug build )
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>7.3.0.0 alpha0+ Master
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Writer
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>xiscofauli@libreoffice.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="https://bugs.documentfoundation.org/attachment.cgi?id=173598" name="attach_173598" title="sample file">attachment 173598</a> <a href="https://bugs.documentfoundation.org/attachment.cgi?id=173598&action=edit" title="sample file">[details]</a></span>
sample file

I found this issue while creating a unittest for <a class="bz_bug_link 
          bz_status_VERIFIED  bz_closed"
   title="VERIFIED FIXED - Crash at paste/undo paste again (swlo!BigPtrArray::Index2Block+0xc8)"
   href="show_bug.cgi?id=143320">bug 143320</a>

Steps to reproduce:
1. Open attached document
2. Select all
3. Copy
4. Open new document
5. Paste
6. Undo

-> Crash

Reproduced in

Version: 7.3.0.0.alpha0+ / LibreOffice Community
Build ID: 717dc8e3575a18e1e18dc446031e6db4e60a873d
CPU threads: 4; OS: Linux 5.7; UI render: default; VCL: x11
Locale: en-US (en_US.UTF-8); UI: en-US
TinderBox: Linux-rpm_deb-x86_64@86-TDF-dbg, Branch:master, Time:
2021-07-15_06:02:12
Calc: threaded</pre>
        </div>
      </p>


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