[release-v2.7] Fix querier panics#4901
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joe-elliott merged 1 commit intorelease-v2.7from Mar 25, 2025
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* fix forIngesterRings Signed-off-by: Joe Elliott <number101010@gmail.com> * fix generators Signed-off-by: Joe Elliott <number101010@gmail.com> * refactor to pass the funcs in directly Signed-off-by: Joe Elliott <number101010@gmail.com> * fix breaks Signed-off-by: Joe Elliott <number101010@gmail.com> * improve error Signed-off-by: Joe Elliott <number101010@gmail.com> * got rid of metrics collector Signed-off-by: Joe Elliott <number101010@gmail.com> * chagnelog Signed-off-by: Joe Elliott <number101010@gmail.com> * fix found behavior Signed-off-by: Joe Elliott <number101010@gmail.com> --------- Signed-off-by: Joe Elliott <number101010@gmail.com> (cherry picked from commit 6d70705)
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mdisibio
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Mar 25, 2025
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Backport 6d70705 from #4790
What this PR does:
A panic was introduced here by abusing the ring forEach function to collect results. replicationSet.Do can return before all reads are complete if quorum is reached. Under certain, rare circumstances this caused the forEach function to modify a result here after it has already been returned and was being marshalled by the gRPC stack into proto.
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]