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dsicin: Add some basic sanity checks for fields read from the file
author
Martin Storsjö
<martin@martin.st>
Wed, 11 Sep 2013 12:13:48 +0000
(15:13 +0300)
committer
Martin Storsjö
<martin@martin.st>
Wed, 11 Sep 2013 17:18:55 +0000
(20:18 +0300)
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
libavformat/dsicin.c
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diff --git
a/libavformat/dsicin.c
b/libavformat/dsicin.c
index
ecc8c0b
..
6a7c8b9
100644
(file)
--- 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;
}