[HDFS-3581] FSPermissionChecker#checkPermission sticky bit check missing range check

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 0.23.3, 2.0.2-alpha
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Eli Collins
• Reporter: Eli Collins
• Created: 30/Jun/12 00:56
• Updated: 11/Oct/12 17:46
• Resolved: 03/Jul/12 21:44

Description

The checkStickyBit call in FSPermissionChecker#checkPermission is missing a range check which results in an index out of bounds when accessing root.