From 48d6556dd46d4f4fac10d0f4a819e314887cd50e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Wed, 11 Sep 2013 15:13:48 +0300
Subject: [PATCH] dsicin: Add some basic sanity checks for fields read from the
 file
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
---
 libavformat/dsicin.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/dsicin.c b/libavformat/dsicin.c
index ecc8c0b..6a7c8b9 100644
--- a/libavformat/dsicin.c
+++ b/libavformat/dsicin.c
@@ -154,6 +154,8 @@ static int cin_read_frame_header(CinDemuxContext *cin, AVIOContext *pb) {
 
     if (avio_rl32(pb) != 0xAA55AA55)
         return AVERROR_INVALIDDATA;
+    if (hdr->video_frame_size < 0 || hdr->audio_frame_size < 0)
+        return AVERROR_INVALIDDATA;
 
     return 0;
 }
-- 
2.7.4