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[NTOS:MM] Various fixes.

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Fix MmFlushImageSection behaviour
Remove an invalid ASSERT
This commit is contained in:
Jérôme Gardou 2020-12-11 18:53:32 +01:00
parent 30f71c7fc0
commit 3141668724
1 changed files with 14 additions and 34 deletions
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34
ntoskrnl/mm/section.c
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@ -4095,43 +4095,23 @@ BOOLEAN NTAPI
MmFlushImageSection (IN PSECTION_OBJECT_POINTERS SectionObjectPointer,
IN MMFLUSH_TYPE FlushType)
{
BOOLEAN Result = TRUE;
#ifdef NEWCC
PMM_SECTION_SEGMENT Segment;
#endif
switch(FlushType)
{
case MmFlushForDelete:
if (SectionObjectPointer->ImageSectionObject ||
SectionObjectPointer->DataSectionObject)
{
return FALSE;
}
#ifndef NEWCC
CcRosRemoveIfClosed(SectionObjectPointer);
#endif
return TRUE;
case MmFlushForWrite:
{
DPRINT("MmFlushImageSection(%d)\n", FlushType);
#ifdef NEWCC
Segment = (PMM_SECTION_SEGMENT)SectionObjectPointer->DataSectionObject;
#endif
BOOLEAN Ret = TRUE;
KIRQL OldIrql = MiAcquirePfnLock();
if (SectionObjectPointer->ImageSectionObject)
{
DPRINT1("SectionObject has ImageSection\n");
return FALSE;
PMM_IMAGE_SECTION_OBJECT ImageSectionObject = SectionObjectPointer->ImageSectionObject;
if (!(ImageSectionObject->SegFlags & MM_SEGMENT_INDELETE))
Ret = FALSE;
}
#ifdef NEWCC
CcpLock();
Result = !SectionObjectPointer->SharedCacheMap || (Segment->ReferenceCount == CcpCountCacheSections((PNOCC_CACHE_MAP)SectionObjectPointer->SharedCacheMap));
CcpUnlock();
DPRINT("Result %d\n", Result);
#endif
return Result;
MiReleasePfnLock(OldIrql);
return Ret;
}
}
return FALSE;