[SPARK-29971] Multiple possible buffer leaks in TransportFrameDecoder and TransportCipher

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.4, 3.0.0
• Fix Version/s: 2.4.5, 3.0.0
• Component/s: Spark Core
• Flags: Patch
• External issue URL: https://github.com/apache/spark/pull/26609
• Assignee: Norman Maurer
• Reporter: Norman Maurer
• Shepherd: dtsai
• Created: 20/Nov/19 08:42
• Updated: 25/Nov/19 18:15
• Resolved: 22/Nov/19 23:27

Description

TransportFrameDecoder and TransportCipher currently not carefully manage the life-cycle of ByteBuf instances and so leak memory in some cases.

Issue Links

• links to: GitHub Pull Request #26609
• links to: GitHub Pull Request #26660