From: Laurent Aimar <fenrir@videolan.org>
Date: Tue, 27 Sep 2011 12:16:41 +0000 (+0000)
Subject: bink: Check for out of bound writes when building tree
X-Git-Tag: v0.8b1~1263
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=24adf7832b8370f3c1febbef6c686f574d360d32;p=platform%2Fupstream%2Flibav.git

bink: Check for out of bound writes when building tree

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
---

diff --git a/libavcodec/bink.c b/libavcodec/bink.c
index e4fdf4c..8a8a912 100644
--- a/libavcodec/bink.c
+++ b/libavcodec/bink.c
@@ -247,7 +247,7 @@ static void read_tree(GetBitContext *gb, Tree *tree)
             tree->syms[i] = get_bits(gb, 4);
             tmp1[tree->syms[i]] = 1;
         }
-        for (i = 0; i < 16; i++)
+        for (i = 0; i < 16 && len < 16 - 1; i++)
             if (!tmp1[i])
                 tree->syms[++len] = i;
     } else {