From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 31 Jan 2011 15:24:11 +0000 (+0100)
Subject: fix off-by-one in the string validation check
X-Git-Url: https://git.archive.openwrt.org/?p=project%2Flibubox.git;a=commitdiff_plain;h=f01871bc3083c777bc081358dce4d0ed0f2b464c

fix off-by-one in the string validation check
---

diff --git a/blob.c b/blob.c
index 26a23f3..003192e 100644
--- a/blob.c
+++ b/blob.c
@@ -147,7 +147,7 @@ blob_check_type(const void *ptr, int len, int type)
 			return false;
 	}
 
-	if (type == BLOB_ATTR_STRING && data[len] != 0)
+	if (type == BLOB_ATTR_STRING && data[len - 1] != 0)
 		return false;
 
 	return true;