From 4ec5d6896d2396f6a9f3dd558e393eeacc22dd6f Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Date: Wed, 26 Aug 2020 10:11:38 +0200
Subject: [PATCH] avfilter/af_headphone: Fix stack buffer overflow

The number of channels can be up to 64, not only 16.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 58b6594b01e37ebf3daa2cb66183287a1f1b0a78)
---
 libavfilter/af_headphone.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/af_headphone.c b/libavfilter/af_headphone.c
index 30e300b5e0..839cfaaed4 100644
--- a/libavfilter/af_headphone.c
+++ b/libavfilter/af_headphone.c
@@ -187,7 +187,7 @@ static int headphone_convolute(AVFilterContext *ctx, void *arg, int jobnr, int n
     const int in_channels = in->channels;
     const int buffer_length = s->buffer_length;
     const uint32_t modulo = (uint32_t)buffer_length - 1;
-    float *buffer[16];
+    float *buffer[64];
     int wr = *write;
     int read;
     int i, l;