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Posted to commits@cassandra.apache.org by "Mallika Kulkarni (Jira)" <ji...@apache.org> on 2020/01/07 06:47:00 UTC
[jira] [Commented] (CASSANDRA-15470) Potential Overflow in
DatabaseDescriptor Functions That Convert Between KB/MB & Bytes
[ https://issues.apache.org/jira/browse/CASSANDRA-15470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17009399#comment-17009399 ]
Mallika Kulkarni commented on CASSANDRA-15470:
----------------------------------------------
Could I work on this JIRA?
> 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
> Assignee: Dinesh Joshi
> 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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