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microsoft / perfview Public

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Fix race condition in ProviderNameToGuid causing ERROR_INSUFFICIENT_BUFFER crashes#2357

Merged

brianrob merged 9 commits into

mainmicrosoft/perfview:mainfrom

copilot/fix-enable-provider-crashmicrosoft/perfview:copilot/fix-enable-provider-crashCopy head branch name to clipboard

Jan 23, 2026

Conversation Commits9 (9)Checks Files changed

Merged

Fix race condition in ProviderNameToGuid causing ERROR_INSUFFICIENT_BUFFER crashes#2357
brianrob merged 9 commits into
mainfrom
copilot/fix-enable-provider-crash

Commits

Commits on Jan 23, 2026

Initial plan
Copilot
committed
Fix ERROR_INSUFFICIENT_BUFFER in ProviderNameToGuid by adding retry loop

Copilot
and
brianrob
committed
Address code review: improve error handling and messages

Copilot
and
brianrob
committed
Fix comment clarity in retry loop

Copilot
and
brianrob
committed
Optimize retry loop to use single API call per iteration

Copilot
and
brianrob
committed
Always assign providersByName to avoid NullReferenceException

Copilot
and
brianrob
committed
Add test for ProviderNameToGuid to verify it doesn't throw

Copilot
and
brianrob
committed
Clarify test comment to reference GetProviderGuidByName

Copilot
and
brianrob
committed
Switch from stackalloc to a heap allocation.
brianrob
committed

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