Hi all

A customer of mine has some crashes every week. We installed the dbg and
finally generated a core. 

Bt full attached.

Kamailio installed from kamailio deb 5.1 repos

 kamailio -V
version: kamailio 5.1.7 (x86_64/linux) 
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS,
 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 ADAPTIVE_WAIT_LOOPS=1024,
 MAX_RECV_BUFFER_SIZE 262144 MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT
 PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
 id: unknown compiled with gcc 6.3.0

Any hints?

thanks,

Jon