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avcodec/alsdec: Check for overread

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit c2657633187e325a439e3297fd9ccd0522ab2e39)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-04 22:59:34 +02:00 committed by Michael Niedermayer
parent c2595b4485
commit 2b31264e1a
1 changed files with 5 additions and 0 deletions
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5
libavcodec/alsdec.c
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@ -1493,6 +1493,11 @@ static int read_frame_data(ALSDecContext *ctx, unsigned int ra_frame)
// TODO: read_diff_float_data
if (get_bits_left(gb) < 0) {
av_log(ctx->avctx, AV_LOG_ERROR, "Overread %d\n", -get_bits_left(gb));
return AVERROR_INVALIDDATA;
}
return 0;
}