diff --git a/kernel/sys.c b/kernel/sys.c
index 18ee1d2..1dbbe69 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1172,7 +1172,7 @@
 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;