From 5037151c08a846544f7cc7c5f0834a4a54118279 Mon Sep 17 00:00:00 2001
From: jca <jca@openbsd.org>
Date: Thu, 14 Dec 2017 13:23:30 +0000
Subject: [PATCH] fuse_opt_add_opt_escaped needs to allocate space for the
 terminating NUL

Spotted by malloc.conf -> S, ok helg@
---
 lib/libfuse/fuse_opt.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/libfuse/fuse_opt.c b/lib/libfuse/fuse_opt.c
index f4bb20428c7..26f86a5cf44 100644
--- a/lib/libfuse/fuse_opt.c
+++ b/lib/libfuse/fuse_opt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: fuse_opt.c,v 1.23 2017/12/13 12:23:48 helg Exp $ */
+/* $OpenBSD: fuse_opt.c,v 1.24 2017/12/14 13:23:30 jca Exp $ */
 /*
  * Copyright (c) 2013 Sylvestre Gallon <ccna.syl@gmail.com>
  * Copyright (c) 2013 Stefan Sperling <stsp@openbsd.org>
@@ -148,6 +148,7 @@ fuse_opt_add_opt_escaped(char **opts, const char *opt)
 		s++;
 		size++;
 	}
+	size++; /* trailing NUL */
 
 	if (escaped > 0) {
 		escaped_opt = malloc(size + escaped);
-- 
2.20.1