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dotnet / runtime Public

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Fix ProcessRunner StringBuilder race condition causing assertion failure#124269

Merged

MihaZupan merged 3 commits intomaindotnet/runtime:mainfrom

copilot/fix-assertion-failuredotnet/runtime:copilot/fix-assertion-failureCopy head branch name to clipboard

Feb 11, 2026

Conversation Commits3 (3)Checks Files changed

Merged

Fix ProcessRunner StringBuilder race condition causing assertion failure#124269
MihaZupan merged 3 commits intomainfrom
copilot/fix-assertion-failure

Commits

Commits on Feb 11, 2026

Initial plan
Copilot
committed
Fix thread-safety issue in ProcessRunner StringBuilder access

Copilot
and
MihaZupan
committed
Lock on StringBuilder itself and remove lock from ToString

Copilot
and
MihaZupan
committed

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