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Fix races in IAM cache lazy loading (#19346)

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Fix races in IAM cache

Fixes #19344

On the top level we only grab a read lock, but we write to the cache if we manage to fetch it.

https://github.com/minio/minio/blob/a03dac41ebd2c1b9d3f1110ef5d299ffebb8f87b/cmd/iam-store.go#L446 is also flipped to what it should be AFAICT.

Change the internal cache structure to a concurrency safe implementation.

Bonus: Also switch grid implementation.
This commit is contained in:
Klaus Post
2024-03-26 19:12:57 +01:00
committed by GitHub
parent 53a14c7301
commit 7ff4164d65
9 changed files with 214 additions and 328 deletions
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go.mod
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@@ -219,6 +219,7 @@ require (
github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
github.com/pquerna/cachecontrol v0.2.0 // indirect
github.com/prometheus/prom2json v1.3.3 // indirect
github.com/puzpuzpuz/xsync/v3 v3.1.0 // indirect
github.com/rivo/tview v0.0.0-20240307173318-e804876934a1 // indirect
github.com/rivo/uniseg v0.4.7 // indirect
github.com/rjeczalik/notify v0.9.3 // indirect