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Increase default stack guard on x86 Windows #118277

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Merged
merged 1 commit into from
Aug 6, 2025
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Increase default stack guard on x86 Windows #118277

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7 changes: 3 additions & 4 deletions src/coreclr/vm/threads.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6129,13 +6129,12 @@ HRESULT Thread::CLRSetThreadStackGuarantee(SetThreadStackGuaranteeScope fScope)
// -additionally, we need to provide some region to hosts to allow for lock acquisition in a hosted scenario
//
EXTRA_PAGES = 3;
INDEBUG(EXTRA_PAGES += 1);
#else // HOST_64BIT
#ifdef _DEBUG
uGuardSize += (1 * GetOsPageSize()); // one extra page for debug infrastructure
#endif // _DEBUG
EXTRA_PAGES = 1;
#endif // HOST_64BIT

INDEBUG(EXTRA_PAGES += 1);

int ThreadGuardPages = CLRConfig::GetConfigValue(CLRConfig::EXTERNAL_ThreadGuardPages, EXTRA_PAGES);
uGuardSize += (ThreadGuardPages * GetOsPageSize());

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