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open-nomad/.changelog/12553.txt

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CSI: fix data race in plugin manager (#12553) The plugin manager for CSI hands out instances of a plugin for callers that need to mount a volume. The `MounterForPlugin` method accesses the internal instances map without a lock, and can be called concurrently from outside the plugin manager's main run-loop. The original commit for the instances map included a warning that it needed to be accessed only from the main loop but that comment was unfortunately ignored shortly thereafter, so this bug has existed in the code for a couple years without being detected until we ran tests with `-race` in #12098. Lesson learned here: comments make for lousy enforcement of invariants!
2022-04-12 16:18:04 +00:00
```release-note:bug
csi: Fixed bug where accessing plugins was subject to a data race
```