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https://issues.apache.org/jira/browse/KUDU-2085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated KUDU-2085:
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Status: In Review (was: Open)
> Seek past last element of a prefix-encoded binary block may crash
> -----------------------------------------------------------------
>
> Key: KUDU-2085
> URL: https://issues.apache.org/jira/browse/KUDU-2085
> Project: Kudu
> Issue Type: Bug
> Components: cfile
> Affects Versions: 1.0.1, 1.1.0, 1.2.0, 1.3.1, 1.4.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Critical
>
> Similar to KUDU-2049, the binary prefix block encoder has a bug when seeking
> past the end of the block (i.e to the offset past the last element). The bug
> only causes issues in very specific circumstances:
> - the number of elements in the block has to be a multiple of 16 (the
> "restart interval")
> -- this causes the code to interpret the "restart count" at the end of the
> block data as an offset instead of part of the footer.
> - this value, when interpreted as an offset, points to a piece of data in the
> block which, when interpreted as a varint, ends up large enough to point past
> the end of the block.
> This results in an error like:
> F0730 09:56:07.291882 124055 binary_prefix_block.cc:325] Check failed:
> _s.ok() Bad status: Corruption: Could not decode value length data at idx 32
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