From 7db51a6bed8704ec634b44b4c5bd1dc35fdae86b Mon Sep 17 00:00:00 2001
From: "Bryn M. Reeves" <bmr@redhat.com>
Date: Wed, 29 Mar 2017 17:16:34 +0100
Subject: [PATCH] dmfilemapd: always terminate link buffer after readlink(2)
 (coverity)

---
 daemons/dmfilemapd/dmfilemapd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/daemons/dmfilemapd/dmfilemapd.c b/daemons/dmfilemapd/dmfilemapd.c
index 3fd76b761..6e25c5ced 100644
--- a/daemons/dmfilemapd/dmfilemapd.c
+++ b/daemons/dmfilemapd/dmfilemapd.c
@@ -593,6 +593,7 @@ check_unlinked:
 			  getpid(), fm->fd);
 		return 0;
 	}
+	link_buf[len] = '\0';
 
 	/*
 	 * Try to re-open the file, from the path now reported in /proc/pid/fd.