GitHub user NicoK opened a pull request:
https://github.com/apache/flink/pull/5275
[FLINK-7499][io] fix double buffer release in SpillableSubpartitionView
## What is the purpose of the change
This is a rebase of #4581 for the release-1.4 branch. Please refer to the
original PR for details
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/NicoK/flink flink-7499-1.4
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5275.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #5275
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