From 1b04836dff9958e8bfdbed2746b8c40b1e119ecc Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Sun, 31 Oct 2021 00:02:04 +0200
Subject: [PATCH] avformat/aiffdec: Check sample_rate

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/aiffdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c
index a826bc998a..1406347426 100644
--- a/libavformat/aiffdec.c
+++ b/libavformat/aiffdec.c
@@ -120,6 +120,9 @@ static int get_aiff_header(AVFormatContext *s, int size,
         sample_rate = val << exp;
     else
         sample_rate = (val + (1ULL<<(-exp-1))) >> -exp;
+    if (sample_rate <= 0)
+        return AVERROR_INVALIDDATA;
+
     par->sample_rate = sample_rate;
     if (size < 18)
         return AVERROR_INVALIDDATA;