[HOTFIX] Add length validation before calling Snappy uncompress #4367
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Why is this PR needed?
There is a security issue reported by the Apache Security Team. Calling Snappy.uncompress without length validation is subject to attack.
What changes were proposed in this PR?
Add length validation before calling Snappy, modified all places in carbondata-core SnappyCompressor
Does this PR introduce any user interface change?
Is any new testcase added?