cook: Make sure there is enough extradata

At least 8 bytes are needed (Mono audio).

Bug-Id: CID 741418
CC: libav-stable@libav.org
(cherry picked from commit 299d8ab104)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Luca Barbato 2014-11-23 16:09:05 +01:00
parent b82170336f
commit 484e015dc8

View File

@ -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;
}