[jira] [Created] (CASSANDRA-15470) Potential Overflow in DatabaseDescriptor Functions That Convert Between KB/MB & Bytes

["Jordan West (Jira)" <ji...@apache.org>]

Jordan West created CASSANDRA-15470:
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             Summary: Potential Overflow in DatabaseDescriptor Functions That Convert Between KB/MB & Bytes
                 Key: CASSANDRA-15470
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15470
             Project: Cassandra
          Issue Type: Bug
          Components: Local/Config
            Reporter: Jordan West


{{DatabaseDescriptor}} has several functions that convert between user supplied sizes in KB/MB and bytes. These are implemented without much consistency and, while unlikely, several have the potential to overflow since validation on the input is missing. Meanwhile, some widen the number to a long correctly. Options include: widening in all places or simply doing better validation on start up — currently only the lower bound of the valid range is checked for many of these fields.

List of Affected {{DatabaseDescriptor}} Methods:
 * {{getColumnIndexSize}}
 * {{getColumnIndexCacheSize}}
 * {{getBatchSizeWarnThreshold}}
 * {{getNativeTransportFrameBlockSize}}
 * {{getRepairSessionSpaceInMegabytes}}
 * {{getNativeTransportMaxFrameSize}}



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