[fuzzer] Fuzz frame info functions#1590
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terrelln merged 5 commits intofacebook:devfrom Apr 17, 2019
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The function didn't verify that the skippable frame size is correct.
Add a fuzzer that fuzzes all helper functions that take compressed input. This fuzzer caught one out of bounds read in `ZSTD_decompressBound()`.
Cyan4973
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Apr 17, 2019
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ZSTD_decompressBound().ZSTD_findDecompressedSize()would return a zstd error code ifreadSkippableFrameSize()failed.