cook: Make sure there is enough extradata

Message ID 20141124013434.852E95DD0B@aruru.libav.org
State New
Headers show

Commit Message

Janne Grunau Nov. 24, 2014, 1:34 a.m.
Module: libav
Branch: master
Commit: 299d8ab104fb350254eb2e6d9ecdce892a2a55b1

Author:    Luca Barbato <lu_zero@gentoo.org>
Committer: Vittorio Giovara <vittorio.giovara@gmail.com>
Date:      Sun Nov 23 16:09:05 2014 +0100

cook: Make sure there is enough extradata

At least 8 bytes are needed (Mono audio).

Bug-Id: CID 741418
CC: libav-stable@libav.org

---

 libavcodec/cook.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index 056c7d9..8c2fab7 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -1051,7 +1051,7 @@  static av_cold int cook_decode_init(AVCodecContext *avctx)
     q->avctx = avctx;
 
     /* Take care of the codec specific extradata. */
-    if (extradata_size <= 0) {
+    if (extradata_size < 8) {
         av_log(avctx, AV_LOG_ERROR, "Necessary extradata missing!\n");
         return AVERROR_INVALIDDATA;
     }