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avcodec/cfhd: Fix decoding regression due to height check

Fixes: Ticket6546

Regression since: 54aaadf648

Reviewed-by: Muhammad Faiz <mfcc64@gmail.com>
Reviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 47c9365724)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Vodyannikov Aleksandr 2017-07-21 11:49:45 +02:00 committed by Michael Niedermayer
parent 0df61711cf
commit 8642322b9f

View File

@ -324,7 +324,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
s->plane[s->channel_num].band[0][0].stride = data;
} else if (tag == 28) {
av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data);
if (data < 3 || data > s->plane[s->channel_num].band[0][0].height) {
if (data < 3 || data > s->plane[s->channel_num].band[0][0].a_height) {
av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
ret = AVERROR(EINVAL);
break;