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| @@ -767,6 +767,11 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd) · 766 unmodified lines | |||
| 767 | 767 | ||
| 768 | r = get_unary(gb, 0, 4); | 768 | r = get_unary(gb, 0, 4); |
| 769 | c = get_bits(gb, 2); | 769 | c = get_bits(gb, 2); |
| 770 | if (r >= 4) { | ||
| 771 | av_log(avctx, AV_LOG_ERROR, "r overflow\n"); | ||
| 772 | return AVERROR_INVALIDDATA; | ||
| 773 | } | ||
| 774 | |||
| 770 | bd->ltp_gain[2] = ltp_gain_values[r][c]; | 775 | bd->ltp_gain[2] = ltp_gain_values[r][c]; |
| 771 | 776 | ||
| 772 | bd->ltp_gain[3] = decode_rice(gb, 2) << 3; | 777 | bd->ltp_gain[3] = decode_rice(gb, 2) << 3; |