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Fix W^X flag for setting ITypeInfo #75045

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Merged
AaronRobinsonMSFT merged 2 commits into from
Sep 5, 2022
Merged

Fix W^X flag for setting ITypeInfo #75045

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5620b93
Fix W^X flag for setting ITypeInfo
AaronRobinsonMSFT Sep 3, 2022
ea1c427
Grab address from the holder.
AaronRobinsonMSFT Sep 3, 2022
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1 change: 1 addition & 0 deletions src/coreclr/vm/comcallablewrapper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3851,6 +3851,7 @@ void ComMethodTable::SetITypeInfo(ITypeInfo *pNew)
}
CONTRACTL_END;

ExecutableWriterHolder<ComMethodTable> comMTWriterHolder(this, sizeof(ComMethodTable));
if (InterlockedCompareExchangeT(&m_pITypeInfo, pNew, NULL) == NULL)
{
SafeAddRef(pNew);
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