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dsicin: Add some basic sanity checks for fields read from the file 

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-09-11 15:13:48 +03:00
parent 5045f6bdfa
commit 48d6556dd4
1 changed files with 2 additions and 0 deletions
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2
libavformat/dsicin.c
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@ -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;
}