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[NTOSKRNL] Ignore IMAGE_SCN_CNT_UNINITIALIZED_DATA

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CORE-12582
CORE-14556
This commit is contained in:
Mark Jansen 2018-04-19 21:58:09 +02:00
parent ffa94ca0f0
commit c7eb46d9fd
1 changed files with 5 additions and 11 deletions
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16
ntoskrnl/mm/section.c
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@ -684,7 +684,7 @@ l_ReadHeaderFromFile:
pssSegments[0].Length.QuadPart = nPrevVirtualEndOfSegment;
pssSegments[0].RawLength.QuadPart = nFileSizeOfHeaders;
pssSegments[0].Image.VirtualAddress = 0;
pssSegments[0].Image.Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA;
pssSegments[0].Image.Characteristics = 0;
pssSegments[0].WriteCopy = TRUE;
/* skip the headers segment */
@ -1365,7 +1365,7 @@ MmNotPresentFaultSectionView(PMMSUPPORT AddressSpace,
HasSwapEntry = MmIsPageSwapEntry(Process, Address);
/* See if we should use a private page */
if ((HasSwapEntry) || (Segment->Image.Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA))
if (HasSwapEntry)
{
SWAPENTRY DummyEntry;
@ -1956,9 +1956,7 @@ MmPageOutSectionView(PMMSUPPORT AddressSpace,
*/
MmUnlockSectionSegment(Context.Segment);
Context.WasDirty = FALSE;
if (Context.Segment->Image.Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA ||
IS_SWAP_FROM_SSE(Entry) ||
PFN_FROM_SSE(Entry) != Page)
if (IS_SWAP_FROM_SSE(Entry) || PFN_FROM_SSE(Entry) != Page)
{
Context.Private = TRUE;
}
@ -2346,9 +2344,7 @@ MmWritePageSectionView(PMMSUPPORT AddressSpace,
/*
* Check for a private (COWed) page.
*/
if (Segment->Image.Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA ||
IS_SWAP_FROM_SSE(Entry) ||
PFN_FROM_SSE(Entry) != Page)
if (IS_SWAP_FROM_SSE(Entry) || PFN_FROM_SSE(Entry) != Page)
{
Private = TRUE;
}
@ -2481,9 +2477,7 @@ MmAlterViewAttributes(PMMSUPPORT AddressSpace,
Page = MmGetPfnForProcess(Process, Address);
Protect = PAGE_READONLY;
if (Segment->Image.Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA ||
IS_SWAP_FROM_SSE(Entry) ||
PFN_FROM_SSE(Entry) != Page)
if (IS_SWAP_FROM_SSE(Entry) || PFN_FROM_SSE(Entry) != Page)
{
Protect = NewProtect;
}