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avsdemux: check for out of bound writes

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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 de049a95f4
commit 6de33611c9
1 changed files with 2 additions and 0 deletions
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2
libavformat/avs.c
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@ -169,6 +169,8 @@ static int avs_read_packet(AVFormatContext * s, AVPacket * pkt)
switch (type) {
case AVS_PALETTE:
if (size - 4 > sizeof(palette))
return AVERROR_INVALIDDATA;
ret = avio_read(s->pb, palette, size - 4);
if (ret < size - 4)
return AVERROR(EIO);