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[release/7.0] Fix W^X flag for setting ITypeInfo #75046

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Merged
carlossanlop merged 2 commits into from
Sep 6, 2022
Merged

[release/7.0] Fix W^X flag for setting ITypeInfo #75046

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0b65092
Fix W^X flag for setting ITypeInfo
AaronRobinsonMSFT Sep 3, 2022
d3d5505
Grab address from the holder.
AaronRobinsonMSFT Sep 3, 2022
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Fix W^X flag for setting ITypeInfo
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@AaronRobinsonMSFT
AaronRobinsonMSFT authored and github-actions committed Sep 3, 2022
commit 0b65092f2de43c03e9670a294e29770d206bf3d1
1 change: 1 addition & 0 deletions src/coreclr/vm/comcallablewrapper.cpp
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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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