[KAFKA-9156] LazyTimeIndex & LazyOffsetIndex may cause niobufferoverflow in concurrent state

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.3.0, 2.3.1
• Fix Version/s: 2.4.0, 2.3.2
• Component/s: core
• Labels: regression
• Flags: Important
• Assignee: Alex Mironov
• Reporter: shilin Lu
• Reviewer: Ismael Juma
• Created: 07/Nov/19 09:48
• Updated: 17/Nov/22 14:02
• Resolved: 02/Dec/19 20:23

Description

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

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.

 

 

 

 

Issue Links

• causes: KAFKA-9213 BufferOverflowException on rolling new segment after upgrading Kafka from 1.1.0 to 2.3.1
• links to: GitHub Pull Request #7760