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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