[jira] [Updated] (CASSANDRA-14906) FastByteOperations.UnsafeOperations fails to handle read only byte buffers correctly

["Aleksandr Sorokoumov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-14906?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksandr Sorokoumov updated CASSANDRA-14906:
---------------------------------------------
    Status: Patch Available  (was: Open)

Patch: [4.0 | https://github.com/Gerrrr/cassandra/tree/14906-4.0]

> FastByteOperations.UnsafeOperations fails to handle read only byte buffers correctly
> ------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14906
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14906
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Aleksandr Sorokoumov
>            Assignee: Aleksandr Sorokoumov
>            Priority: Minor
>             Fix For: 4.x
>
>
> If a buffer is read only it reports having no array, though it may well be backed by an array. Code in UnsafeOperation works under the impression that a buffer for which hasArray() == false is necessarily a direct buffer. Which is not the case.



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