During the last weekend we had two segfaults:
vgutierrez@cp5001:/srv/trafficserver/tls/var/log$ ls /srv/trafficserver/tls/var/log/crash* -alh -r-------- 1 root trafficserver 3.2M Sep 5 15:54 /srv/trafficserver/tls/var/log/crash-2019-09-05-155443.log -r-------- 1 root trafficserver 3.2M Sep 8 03:24 /srv/trafficserver/tls/var/log/crash-2019-09-08-032410.log
Further investigation is required