From 2a35b00d16d1be5a8a757ec707b744d5c705eb31 Mon Sep 17 00:00:00 2001
From: Andrea Mazzoleni <amadvance@gmail.com>
Date: Mon, 19 Aug 2013 11:18:50 +0200
Subject: [PATCH] Adds extra checks when decoding binary integers.

---
 util.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/util.c b/util.c
index 320d251f..a5c963e4 100644
--- a/util.c
+++ b/util.c
@@ -522,6 +522,8 @@ loop:
 	if ((b & 0x80) == 0) {
 		v |= (uint32_t)b << s;
 		s += 7;
+		if (s >= 32)
+			return -1;
 		goto loop;
 	}
 
@@ -550,6 +552,8 @@ loop:
 	if ((b & 0x80) == 0) {
 		v |= (uint64_t)b << s;
 		s += 7;
+		if (s >= 64)
+			return -1;
 		goto loop;
 	}