From 9357aa67572ce630267144ecd923c643a0982617 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Wed, 14 Sep 2016 13:06:53 +0200
Subject: [PATCH] avcodec/g726: Add missing ADDB output mask
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Fixes: 1.poc
Fixes out of array read

Found-by: 连一汉 <lianyihan@360.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a5af1240fce845f645440364c1335e0f8e44ee6c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/g726.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/g726.c b/libavcodec/g726.c
index c3d018fda6..f3de9e715d 100644
--- a/libavcodec/g726.c
+++ b/libavcodec/g726.c
@@ -206,7 +206,7 @@ static int16_t g726_decode(G726Context* c, int I)
 
     if (I_sig)  /* get the sign */
         dq = -dq;
-    re_signal = c->se + dq;
+    re_signal = (int16_t)(c->se + dq);
 
     /* Update second order predictor coefficient A2 and A1 */
     pk0 = (c->sez + dq) ? sgn(c->sez + dq) : 0;