From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Wed, 17 Dec 2008 17:39:35 +0000 (+0000)
Subject: 4l: TIFF stores short strings inside tag, do not interpret it is as an offset
X-Git-Tag: v0.5~1603
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6a4583e92501356c41029dc35092c93126e05018;p=platform%2Fupstream%2Flibav.git

4l: TIFF stores short strings inside tag, do not interpret it is as an offset

Fixes issue 753

Originally committed as revision 16189 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 7e42aab..7e789b4 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -176,6 +176,11 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
             value = off;
             buf = NULL;
             break;
+        case TIFF_STRING:
+            if(count <= 4){
+                buf -= 4;
+                break;
+            }
         default:
             value = -1;
             buf = start + off;