From 281a0f9d20b607d1ccd773083319e0b8dcf79f89 Mon Sep 17 00:00:00 2001
From: Andrey Vagin <avagin@openvz.org>
Date: Fri, 1 May 2015 14:08:00 +0300
Subject: [PATCH] kerndat: pass null-terminated string into strstr

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
---
 kerndat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kerndat.c b/kerndat.c
index b07580285..0e6dc9847 100644
--- a/kerndat.c
+++ b/kerndat.c
@@ -294,11 +294,12 @@ int kerndat_fdinfo_has_lock()
 	if (pfd < 0)
 		goto out;
 
-	len = read(pfd, buf, sizeof(buf));
+	len = read(pfd, buf, sizeof(buf) - 1);
 	if (len < 0) {
 		pr_perror("Unable to read");
 		goto out;
 	}
+	buf[len] = 0;
 
 	kdat.has_fdinfo_lock = (strstr(buf, "lock:") != NULL);