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https://issues.apache.org/jira/browse/CASSANDRA-15470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jordan West updated CASSANDRA-15470:
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Bug Category: Parent values: Code(13163)Level 1 values: Bug - Unclear
Impact(13164)
Complexity: Low Hanging Fruit
Discovered By: Code Inspection
Fix Version/s: 4.0-rc
Severity: Low
Status: Open (was: Triage Needed)
> 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
> Priority: Normal
> Fix For: 4.0-rc
>
>
> {{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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