diff --git a/kernel/sys.c b/kernel/sys.c
index 18ee1d2f647408a6ffef7494ffdfef2043749dcf..1dbbe695a5efd9eb4f77b8a9fdf6a5da9bf2f795 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1172,7 +1172,7 @@ DECLARE_RWSEM(uts_sem);
 static int override_release(char __user *release, int len)
 {
 	int ret = 0;
-	char buf[len];
+	char buf[65];
 
 	if (current->personality & UNAME26) {
 		char *rest = UTS_RELEASE;