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Posted to dev@kafka.apache.org by "shilin Lu (Jira)" <ji...@apache.org> on 2019/11/07 09:49:00 UTC

[jira] [Created] (KAFKA-9156) LazyTimeIndex & LazyOffsetIndex may cause niobufferoverflow in concurrent state

shilin Lu created KAFKA-9156:
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             Summary: LazyTimeIndex & LazyOffsetIndex may cause niobufferoverflow in concurrent state
                 Key: KAFKA-9156
                 URL: https://issues.apache.org/jira/browse/KAFKA-9156
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 2.3.0
            Reporter: shilin Lu
         Attachments: image-2019-11-07-17-42-13-852.png, image-2019-11-07-17-44-05-357.png, image-2019-11-07-17-46-53-650.png

!image-2019-11-07-17-42-13-852.png!

this timeindex get function is not thread safe ,may cause create some timeindex.

!image-2019-11-07-17-44-05-357.png!

When create timeindex not exactly one ,may cause mappedbytebuffer position to end. Then write index entry to this mmap file will cause java.nio.BufferOverflowException.

 

!image-2019-11-07-17-46-53-650.png!

 

 

 



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