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[NTOS:MM] VirtualSize overrides SizeOfRawData when mapping PE files. CORE-17284

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This fixes the related failures in ntdll_apitest:NtMapViewOfSection
as well as loading of OrgPlayer's DragDrop.ocx.
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Thomas Faber 2020-09-27 16:43:19 +02:00
parent 9b1fb8d6fd
commit b957af4b6b
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1 changed files with 1 additions and 1 deletions
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2
ntoskrnl/mm/section.c
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@ -754,7 +754,7 @@ l_ReadHeaderFromFile:
pssSegments[i].Protection = SectionCharacteristicsToProtect[nCharacteristics >> 28]; pssSegments[i].Protection = SectionCharacteristicsToProtect[nCharacteristics >> 28];
pssSegments[i].WriteCopy = !(nCharacteristics & IMAGE_SCN_MEM_SHARED); pssSegments[i].WriteCopy = !(nCharacteristics & IMAGE_SCN_MEM_SHARED);
if(pishSectionHeaders[i].Misc.VirtualSize == 0 || pishSectionHeaders[i].Misc.VirtualSize < pishSectionHeaders[i].SizeOfRawData) if(pishSectionHeaders[i].Misc.VirtualSize == 0)
pssSegments[i].Length.QuadPart = pishSectionHeaders[i].SizeOfRawData; pssSegments[i].Length.QuadPart = pishSectionHeaders[i].SizeOfRawData;
else else
pssSegments[i].Length.QuadPart = pishSectionHeaders[i].Misc.VirtualSize; pssSegments[i].Length.QuadPart = pishSectionHeaders[i].Misc.VirtualSize;