Piotr Nowojski created FLINK-24184:
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Summary: Potential race condition leading to incorrectly issued
interruptions
Key: FLINK-24184
URL: https://issues.apache.org/jira/browse/FLINK-24184
Project: Flink
Issue Type: Bug
Components: Runtime / Task
Affects Versions: 1.13.2, 1.12.5, 1.11.4, 1.10.3, 1.9.3, 1.8.3, 1.14.0
Reporter: Piotr Nowojski
Fix For: 1.15.0
There is a race condition in disabling interrupts while closing resources.
Currently this is guarded by a volatile variable, but there might be a race
condition when:
1. interrupter thread first checked the shouldInterruptOnCancel flag
2. shouldInterruptOnCancel flag switched to false as Task/StreamTask entered
cleaning up phase
3. interrupter issued an interrupt while Task/StreamTask are closing/releasing
resources, potentially causing a memory leak
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