Richard Low created CASSANDRA-4250:
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Summary: Missing arrayOffset in FBUtilities.hash
Key: CASSANDRA-4250
URL: https://issues.apache.org/jira/browse/CASSANDRA-4250
Project: Cassandra
Issue Type: Bug
Components: Core
Affects Versions: 1.1.0
Reporter: Richard Low
Assignee: Richard Low
Priority: Critical
In CASSANDRA-3869, FBUtilities.hash was optimised to use the backing byte array
if there is one. However, there is a missing +arrayOffset in the offset
parameter.
This can cause incorrect hashes resulting in data going to the wrong place,
etc.. I haven't observed any errors directly attributable to this so maybe we
are lucky and all backing arrays start at 0 but this could cause data loss in
the worst case.
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