From: Benjamin Larsson <banan@ludd.ltu.se>
Date: Mon, 29 Jan 2007 10:42:36 +0000 (+0000)
Subject: Check that js_vlc_bits from the extradata is in a valid range.
X-Git-Tag: v0.5~10301
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=753c9d3260004042525a4e84bc61251af58e0f2b;p=platform%2Fupstream%2Flibav.git

Check that js_vlc_bits from the extradata is in a valid range.

Originally committed as revision 7756 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index 8fe17bd..ef18c6c 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -1245,6 +1245,10 @@ static int cook_decode_init(AVCodecContext *avctx)
         av_log(avctx,AV_LOG_ERROR,"unknown amount of samples_per_channel = %d, report sample!\n",q->samples_per_channel);
         return -1;
     }
+    if ((q->js_vlc_bits > 6) || (q->js_vlc_bits < 0)) {
+        av_log(avctx,AV_LOG_ERROR,"q->js_vlc_bits = %d, only >= 0 and <= 6 allowed!\n",q->js_vlc_bits);
+        return -1;
+    }
 
 #ifdef COOKDEBUG
     dump_cook_context(q);