From: Edward Hervey <edward@centricular.com>
Date: Sat, 4 Nov 2017 09:34:10 +0000 (+0100)
Subject: typefindhelper: Fix signed integer overflow
X-Git-Tag: 1.16.2~623
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4ccdad084b4c943fc0578c8695749411c2e73f09;p=platform%2Fupstream%2Fgstreamer.git

typefindhelper: Fix signed integer overflow

Make sure the whole calculation is done with 64bit unsigned values

(To be ready for people want to typefind exabyte files).
---

diff --git a/libs/gst/base/gsttypefindhelper.c b/libs/gst/base/gsttypefindhelper.c
index 61a475e..67efeac 100644
--- a/libs/gst/base/gsttypefindhelper.c
+++ b/libs/gst/base/gsttypefindhelper.c
@@ -446,7 +446,7 @@ buf_helper_find_peek (gpointer data, gint64 off, guint size)
     return NULL;
   }
 
-  if ((off + size) <= helper->size)
+  if (((guint64) off + size) <= helper->size)
     return helper->data + off;
 
   return NULL;