From dfacef9e735461e72a05e683da06bda5ea9c5d8e Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 27 Mar 2012 13:49:58 +0200
Subject: [PATCH] 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>
---
libavcodec/alsdec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index 3a4b6ec56a..f441bd01ca 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -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;
}