From e0fb22cea9056afd30848d9d51e92f5ae24ea0f6 Mon Sep 17 00:00:00 2001
From: Laurent Aimar <fenrir@videolan.org>
Date: Sat, 1 Oct 2011 00:45:04 +0200
Subject: [PATCH] Fix out of bound reads in the QDM2 decoder.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 491eaf35ae1f9b619441314bec33766e31580184)
---
 libavcodec/qdm2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c
index 6eb836456c..a6192e91c2 100644
--- a/libavcodec/qdm2.c
+++ b/libavcodec/qdm2.c
@@ -1353,6 +1353,8 @@ static void qdm2_fft_decode_tones (QDM2Context *q, int duration, GetBitContext *
             return;
 
         local_int_14 = (offset >> local_int_8);
+        if (local_int_14 >= FF_ARRAY_ELEMS(fft_level_index_table))
+            return;
 
         if (q->nb_channels > 1) {
             channel = get_bits1(gb);