<h3>Description</h3>
<p>Periodically Kamailio crashes, log shows that it happens on REGISTER request with incorrect params. I don't know if it is a network problem or somebody sends incorrect request, but there are records in logs:</p>
<h4>Log Messages</h4>
<p>Jan 30 03:49:29 kam /usr/sbin/kamailio[20718]: ERROR:  [core/parser/parse_from.c:53]: parse_from_header(): bad msg or missing FROM header<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20718]: ERROR: dialog [dlg_cseq.c:93]: dlg_cseq_prepare_msg(): cannot parse FROM header<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20718]: ERROR: pv [pv_core.c:664]: pv_get_callid(): cannot parse Call-Id header<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20718]: {1  } ERROR:  [core/parser/parse_from.c:53]: parse_from_header(): bad msg or missing FROM header<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20718]: {1  } ERROR: pv [pv_core.c:468]: pv_get_from_attr(): cannot parse From header<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20718]: {1  } ERROR: pv [pv_core.c:664]: pv_get_callid(): cannot parse Call-Id header<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20718]: {1  } NOTICE: <script>: REQ: M='REGISTER sip:1.2.3.208:5060' F='' T='' CI='' SRC='113.128.105.127:49556' AU=''<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20736]: CRITICAL:  [core/pass_fd.c:277]: receive_fd(): EOF on 15<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20713]: ALERT:  [main.c:746]: handle_sigs(): child process 20718 exited by a signal 11<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20713]: ALERT:  [main.c:749]: handle_sigs(): core was not generated<br>
Jan 30 03:49:29 kam /usr/sbin/kamailio[20713]: INFO:  [main.c:771]: handle_sigs(): terminating due to SIGCHLD</p>
<h3>Additional Information</h3>
<p>version: kamailio 5.2.0-dev2 (i386/linux)<br>
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES<br>
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB<br>
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.<br>
id: unknown<br>
compiled with gcc 4.9.2</p>
<ul>
<li><strong>Operating System</strong>:<br>
Linux kam 3.16.0-4-amd64 <a href="https://github.com/kamailio/kamailio/issues/1" class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="31891578" data-permission-text="Issue title is private" data-url="https://github.com/kamailio/kamailio/issues/1">#1</a> SMP Debian 3.16.7-ckt25-2 (2016-04-08) x86_64 GNU/Linux</li>
</ul>

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