mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/sunrast: Check for availability of maplength before allocating image
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -100,14 +100,14 @@ static int sunrast_decode_frame(AVCodecContext *avctx, void *data,
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if (ret < 0)
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return ret;
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if (buf_end - buf < maplength)
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return AVERROR_INVALIDDATA;
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if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
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return ret;
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p->pict_type = AV_PICTURE_TYPE_I;
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if (buf_end - buf < maplength)
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return AVERROR_INVALIDDATA;
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if (depth > 8 && maplength) {
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av_log(avctx, AV_LOG_WARNING, "useless colormap found or file is corrupted, trying to recover\n");
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