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dsicinav: Check for out of bounds reads

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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
(cherry picked from commit e3ca9b93d9)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Laurent Aimar 2011-09-29 23:13:35 +00:00 committed by Reinhard Tartler
parent 39de0e008d
commit 914b9b0b2b
1 changed files with 2 additions and 0 deletions
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2
libavcodec/dsicinav.c
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@ -216,6 +216,8 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
bitmap_frame_size = buf_size - 4;
/* handle palette */
if (bitmap_frame_size < palette_colors_count * (3 + (palette_type != 0)))
return AVERROR_INVALIDDATA;
if (palette_type == 0) {
for (i = 0; i < palette_colors_count; ++i) {
cin->palette[i] = bytestream_get_le24(&buf);