When trying to add multiple time the same prefix, ./fullfeed/fullfeed throws 'Segmentation fault (core dumped)'.
Here is a fix : Index: util.c =================================================================== RCS file: /cvs/src/regress/sys/net/rtable/util.c,v retrieving revision 1.6 diff -u -p -r1.6 util.c --- util.c 27 Jul 2017 13:34:30 -0000 1.6 +++ util.c 22 Jun 2018 18:12:09 -0000 @@ -110,7 +110,7 @@ route_insert(unsigned int rid, sa_family rt_maskedcopy(dst, ndst, mask); if ((error = rtable_insert(rid, ndst, mask, NULL, 0, rt)) != 0) { - inet_net_satop(af, rt_key(rt), plen, ip, sizeof(ip)); + inet_net_satop(af, ndst, plen, ip, sizeof(ip)); errx(1, "can't add route: %s, %s\n", ip, strerror(error)); } nrt = rtable_lookup(rid, dst, mask, NULL, RTP_ANY);