Chris Nauroth created HADOOP-9312:
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Summary: JniBasedUnixGroupsMapping#getGroupForUser can potentially
leak memory
Key: HADOOP-9312
URL: https://issues.apache.org/jira/browse/HADOOP-9312
Project: Hadoop Common
Issue Type: Bug
Components: native, security
Affects Versions: 3.0.0, trunk-win
Reporter: Chris Nauroth
This method lazily initializes a static variable to contain an empty array of
groups. If multiple threads call the method before the variable has been
initialized, then there is potential for a race condition. This would cause
multiple allocations of the array and leaked memory.
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