30221718538
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Ran 26 Jul 2026 09:46PM UTC

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Build # 30221718538

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push

github

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web-flow

Commit Message

libfuzzer: seed verifier options thread-local state (#809)

The verifier timeout worker thread already copied Prevail's thread-local ProgramInfo, but Prevail also relies on thread_local_options during analysis. Without copying those options, the worker thread analyzed programs with default verifier settings, which disabled termination checks and let the Windows fuzz repro EAAAAL8UAAAAAAAABgAAAP7///8= reach interpreter execution. Seed both thread-local values before prevail::analyze() so worker-thread verification matches the configured main-thread behavior.

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>
Co-authored-by: Alan Jowett <alan.jowett@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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