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avcodec/notchlc: Check uncompressed size against input for LZ4
Fixes: OOM Fixes: 26168/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NOTCHLC_fuzzer-6019839015256064 Fixes: 28397/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NOTCHLC_fuzzer-5649039941042176 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -496,6 +496,9 @@ static int decode_frame(AVCodecContext *avctx,
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bytestream2_init(gb, s->lzf_buffer, uncompressed_size);
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} else if (s->format == 1) {
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if (bytestream2_get_bytes_left(gb) < uncompressed_size / 255)
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return AVERROR_INVALIDDATA;
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av_fast_padded_malloc(&s->uncompressed_buffer, &s->uncompressed_size,
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uncompressed_size);
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if (!s->uncompressed_buffer)
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