alsdec: make sure no invalid opt_order stays in the context.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-27 13:49:58 +02:00
parent 1acc553e54
commit dfacef9e73

View File

@ -664,6 +664,7 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
2, sconf->max_order + 1));
*bd->opt_order = get_bits(gb, opt_order_length);
if (*bd->opt_order > sconf->max_order) {
*bd->opt_order = sconf->max_order;
av_log(avctx, AV_LOG_ERROR, "Predictor order too large!\n");
return -1;
}