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avsdemux: check for corrupted data

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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
This commit is contained in:
Laurent Aimar 2011-09-30 23:42:31 +00:00 committed by Janne Grunau
parent 7bb1807c2d
commit 76c6971a64
1 changed files with 2 additions and 0 deletions
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2
libavformat/avs.c
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@ -163,6 +163,8 @@ static int avs_read_packet(AVFormatContext * s, AVPacket * pkt)
sub_type = avio_r8(s->pb);
type = avio_r8(s->pb);
size = avio_rl16(s->pb);
if (size < 4)
return AVERROR_INVALIDDATA;
avs->remaining_frame_size -= size;
switch (type) {