Index: tcp_subr.c
===================================================================
RCS file: /private/FreeBSD/src/sys/netinet/tcp_subr.c,v
retrieving revision 1.180
diff -u -p -r1.180 tcp_subr.c
--- tcp_subr.c	14 Feb 2004 21:49:48 -0000	1.180
+++ tcp_subr.c	16 Feb 2004 14:55:21 -0000
@@ -1656,6 +1656,8 @@ tcp_twclose(struct tcptw *tw, int reuse)
 #endif
 		in_pcbdetach(inp);
 	tcpstat.tcps_closed++;
+	crfree(tw->tw_cred);
+	tw->tw_cred = NULL;
 	if (reuse)
 		return (tw);
 	uma_zfree(tcptw_zone, tw);