avcodec/alsdec: Check for overread

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit c265763318)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-04 22:59:34 +02:00 committed by Michael Niedermayer
parent 0081afeaa7
commit 4121c1db15

View File

@ -1493,6 +1493,11 @@ static int read_frame_data(ALSDecContext *ctx, unsigned int ra_frame)
// TODO: read_diff_float_data
if (get_bits_left(gb) < 0) {
av_log(ctx->avctx, AV_LOG_ERROR, "Overread %d\n", -get_bits_left(gb));
return AVERROR_INVALIDDATA;
}
return 0;
}