<p>I ran into these while testing with SIPP  and having memlog=1 :</p>

<p>kamailio[21826]: :  [mem/q_malloc.c:453]: qm_free(): BUG: qm_free: freeing already freed pointer (0x7f24869850f8), called<br>
 from : parser/contact/parse_contact.c: free_contact(109), first free : parser/contact/parse_contact.c: free_contact(109) - aborting</p>

<p>kamailio[21540]: :  [mem/q_malloc.c:453]: qm_free(): BUG: qm_free: freeing already freed pointer (0x7f4161b971c0), called<br>
 from : data_lump_rpl.c: free_lump_rpl(107), first free : data_lump_rpl.c: free_lump_rpl(107) - aborting</p>

<p>These two patches fix these two separate issues. </p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/kamailio/kamailio/pull/753'>https://github.com/kamailio/kamailio/pull/753</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>core: fix double free on clearing hdr</li>
  <li>core: fix double free on clearing lump</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/753/files#diff-0">data_lump_rpl.c</a>
    (5)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/753/files#diff-1">parser/hf.c</a>
    (7)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/kamailio/kamailio/pull/753.patch'>https://github.com/kamailio/kamailio/pull/753.patch</a></li>
  <li><a href='https://github.com/kamailio/kamailio/pull/753.diff'>https://github.com/kamailio/kamailio/pull/753.diff</a></li>
</ul>

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