===================================================================
RCS file: /cvs/mandoc/main.c,v
retrieving revision 1.358
retrieving revision 1.359
diff -u -p -r1.358 -r1.359
--- mandoc/main.c	2021/09/04 22:38:46	1.358
+++ mandoc/main.c	2021/10/04 20:24:06	1.359
@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.358 2021/09/04 22:38:46 schwarze Exp $ */
+/* $Id: main.c,v 1.359 2021/10/04 20:24:06 schwarze Exp $ */
 /*
  * Copyright (c) 2010-2012, 2014-2021 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -516,6 +516,9 @@ main(int argc, char *argv[])
 				memcpy(res + ressz, resn,
 				    sizeof(*resn) * resnsz);
 				ressz += resnsz;
+				free(resn);
+				resn = NULL;
+				resnsz = 0;
 				continue;
 			}
 
@@ -554,6 +557,10 @@ main(int argc, char *argv[])
 			res = mandoc_reallocarray(res, ressz + 1,
 			    sizeof(*res));
 			memcpy(res + ressz++, resn + ib, sizeof(*resn));
+			memset(resn + ib, 0, sizeof(*resn));
+			mansearch_free(resn, resnsz);
+			resn = NULL;
+			resnsz = 0;
 		}
 
 	/* apropos(1), whatis(1): Process the full search expression. */