Index: usr.bin/vmstat/vmstat.c
===================================================================
--- usr.bin/vmstat/vmstat.c
+++ usr.bin/vmstat/vmstat.c
@@ -1406,15 +1406,18 @@
 		xo_flush();
 
 		free(old_intrcnts);
-		old_intrcnts = intrcnts;
-		if (reps >= 0 && --reps <= 0)
+		if (reps >= 0 && --reps <= 0) {
+			free(intrcnts);
 			break;
+		}
+
+		old_intrcnts = intrcnts;
 		usleep(interval * 1000);
 		old_uptime = uptime;
 		uptime = getuptime();
 		period_ms = (uptime - old_uptime) / 1000000;
 	}
-
+	free(intrnames);
 	xo_close_container("interrupt-statistics");
 }