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dsicin: Add some basic sanity checks for fields read from the file
[ffmpeg.git]
/
libavformat
/
dsicin.c
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 (avio_rl32(pb) != 0xAA55AA55)
return AVERROR_INVALIDDATA;
+ if (hdr->video_frame_size < 0 || hdr->audio_frame_size < 0)
+ return AVERROR_INVALIDDATA;
return 0;
}
return 0;
}