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avcodec/scpr: Fix multiple runtime error: index 256 out of bounds for type 'unsigned int [256]'
Fixes: 1519/clusterfuzz-testcase-minimized-5286680976162816 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -261,6 +261,9 @@ static int decode_unit(SCPRContext *s, PixelModel *pixel, unsigned step, unsigne
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break;
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c++;
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}
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if (x >= 16 || c >= 256) {
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return AVERROR_INVALIDDATA;
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}
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if ((ret = s->decode(gb, rc, cumfr, cnt_c, totfr)) < 0)
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return ret;
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