From f4d6373f1c2ad3ab24fd2d42d10cd994fb9e9e03 Mon Sep 17 00:00:00 2001
From: schwarze <schwarze@openbsd.org>
Date: Thu, 19 Aug 2021 16:55:24 +0000
Subject: [PATCH] do not crash when a manpath directory contains a symbolic
 link that points to a directory rather than to a regular file; bug reported
 by Lukas Epple <sternenseemann at systemli dot org>, and my patch also tested
 by him on NixOS

---
 usr.bin/mandoc/mandocdb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/usr.bin/mandoc/mandocdb.c b/usr.bin/mandoc/mandocdb.c
index 6e7efaec255..9699fdeac7e 100644
--- a/usr.bin/mandoc/mandocdb.c
+++ b/usr.bin/mandoc/mandocdb.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mandocdb.c,v 1.216 2020/04/03 11:34:19 schwarze Exp $ */
+/* $OpenBSD: mandocdb.c,v 1.217 2021/08/19 16:55:24 schwarze Exp $ */
 /*
  * Copyright (c) 2011-2020 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -592,6 +592,8 @@ treescan(void)
 					say(path, "&stat");
 				continue;
 			}
+			if ((ff->fts_statp->st_mode & S_IFMT) != S_IFREG)
+				continue;
 			/* FALLTHROUGH */
 
 		/*
-- 
2.20.1