diff -ru sbin/growfs.orig/growfs.c sbin/growfs/growfs.c
--- sbin/growfs.orig/growfs.c	2003-08-08 01:18:38.000000000 -0300
+++ sbin/growfs/growfs.c	2004-10-25 15:39:31.372351804 -0300
@@ -236,7 +236,7 @@
 	 */
 	for (cylno = osblock.fs_ncg; cylno < sblock.fs_ncg; cylno++) {
 		initcg(cylno, utime, fso, Nflag);
-		j = sprintf(tmpbuf, " %d%s",
+		j = snprintf(tmpbuf, sizeof(tmpbuf), " %d%s",
 		    (int)fsbtodb(&sblock, cgsblock(&sblock, cylno)),
 		    cylno < (sblock.fs_ncg-1) ? "," : "" );
 		if (i + j >= width) {