From: "Ronald S. Bultje" <[email protected]>

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
---
 libavcodec/adpcm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index bd86ab0..6dac075 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -760,7 +760,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void 
*data,
         for (channel = 0; channel < avctx->channels; channel++) {
             cs = &c->status[channel];
             cs->predictor  = (int16_t)bytestream_get_le16(&src);
-            cs->step_index = *src++;
+            cs->step_index = av_clip(*src++, 0, 88);
             src++;
         }
 
-- 
1.7.7.4

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