From a9f108bd78e842a47ade2f7c8b22a1764d01d4e6 Mon Sep 17 00:00:00 2001
From: Janne Grunau <janne-libav@jannau.net>
Date: Mon, 8 Jun 2015 14:48:26 +0200
Subject: [PATCH] ac3_parser: add required padding for GetBitContext buffer

Fixes stack buffer overflow errors detected by address sanitizer in
various fate tests.

CC: libav-stable@libav.org
---
 libavcodec/ac3_parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/ac3_parser.c b/libavcodec/ac3_parser.c
index 5ea09f8fcd..69d88c1a76 100644
--- a/libavcodec/ac3_parser.c
+++ b/libavcodec/ac3_parser.c
@@ -150,7 +150,7 @@ static int ac3_sync(uint64_t state, AACAC3ParseContext *hdr_info,
     int err;
     union {
         uint64_t u64;
-        uint8_t  u8[8];
+        uint8_t  u8[8 + FF_INPUT_BUFFER_PADDING_SIZE];
     } tmp = { av_be2ne64(state) };
     AC3HeaderInfo hdr;
     GetBitContext gbc;