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[NTOS] Fix a regression in the PE loader CORE-11717
which caused images to be loaded up to MmHighestUserAddress, thus overwriting the shared user page. This is now fixed by using MM_HIGHEST_VAD_ADDRESS as the margin instead. This commit allows again to load WIN32K.sys of Win2K3SP2 which regressed by SVN 67793 == git3565260212
cherry picked from commit 0.4.14-dev-143-g56da95671c
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@ -4579,11 +4579,11 @@ MmMapViewOfSection(IN PVOID SectionObject,
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ImageSectionObject->ImageInformation.ImageFileSize = (ULONG)ImageSize;
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/* Check for an illegal base address */
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if (((ImageBase + ImageSize) > (ULONG_PTR)MmHighestUserAddress) ||
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if (((ImageBase + ImageSize) > (ULONG_PTR)MM_HIGHEST_VAD_ADDRESS) ||
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((ImageBase + ImageSize) < ImageSize))
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{
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ASSERT(*BaseAddress == NULL);
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ImageBase = ALIGN_DOWN_BY((ULONG_PTR)MmHighestUserAddress - ImageSize,
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ImageBase = ALIGN_DOWN_BY((ULONG_PTR)MM_HIGHEST_VAD_ADDRESS - ImageSize,
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MM_VIRTMEM_GRANULARITY);
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NotAtBase = TRUE;
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}
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