wmapro: error out on impossible scale factor offsets
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org
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@ -436,7 +436,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
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for (x = 0; x < num_possible_block_sizes; x++) {
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int v = 0;
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while (s->sfb_offsets[x][v + 1] << x < offset)
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++v;
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if (++v >= MAX_BANDS)
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return AVERROR_INVALIDDATA;
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s->sf_offsets[i][x][b] = v;
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}
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}
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