diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c
--- a/sys/netinet/tcp_syncache.c
+++ b/sys/netinet/tcp_syncache.c
@@ -1285,7 +1285,8 @@
 				    "segment rejected\n",
 				    s, __func__, th->th_ack, sc->sc_iss + 1);
 			SCH_UNLOCK(sch);
-			goto failed;
+			free(s, M_TCPLOG);
+			return (0);  /* Do send RST, do not free sc. */;
 		}
 
 		TAILQ_REMOVE(&sch->sch_bucket, sc, sc_hash);