From 29a20ac4a19df5acc0eef306ca5a737778a31358 Mon Sep 17 00:00:00 2001
From: Alex Converse <alex.converse@gmail.com>
Date: Fri, 3 Feb 2012 10:43:21 -0800
Subject: [PATCH] movdec: Avoid av_malloc(0) in stss

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
---
 libavformat/mov.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index d0e01f8e57..9deb820ebd 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1529,6 +1529,8 @@ static int mov_read_stss(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 
     av_dlog(c->fc, "keyframe_count = %d\n", entries);
 
+    if (!entries)
+        return 0;
     if (entries >= UINT_MAX / sizeof(int))
         return AVERROR_INVALIDDATA;
     sc->keyframes = av_malloc(entries * sizeof(int));
-- 
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