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[NTOS:CC] Properly return the public BCBs

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This commit is contained in:
Jérôme Gardou 2020-12-30 18:25:02 +01:00
parent 33cde28312
commit 02167f2fb3
3 changed files with 14 additions and 14 deletions
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2
ntoskrnl/cc/cacheman.c
View file

@ -308,7 +308,7 @@ CcSetBcbOwnerPointer (
IN PVOID Owner
)
{
PINTERNAL_BCB iBcb = Bcb;
PINTERNAL_BCB iBcb = CONTAINING_RECORD(Bcb, INTERNAL_BCB, PFCB);
CCTRACE(CC_API_DEBUG, "Bcb=%p Owner=%p\n",
Bcb, Owner);

2
ntoskrnl/cc/fs.c
View file

@ -45,7 +45,7 @@ NTAPI
CcGetFileObjectFromBcb (
IN PVOID Bcb)
{
PINTERNAL_BCB iBcb = (PINTERNAL_BCB)Bcb;
PINTERNAL_BCB iBcb = CONTAINING_RECORD(Bcb, INTERNAL_BCB, PFCB);
CCTRACE(CC_API_DEBUG, "Bcb=%p\n", Bcb);

24
ntoskrnl/cc/pin.c
View file

@ -126,8 +126,8 @@ CcpGetAppropriateBcb(
}
RtlZeroMemory(iBcb, sizeof(*iBcb));
iBcb->PFCB.NodeTypeCode = 0xDE45; /* Undocumented (CAPTIVE_PUBLIC_BCB_NODETYPECODE) */
iBcb->PFCB.NodeByteSize = sizeof(PUBLIC_BCB);
iBcb->PFCB.NodeTypeCode = 0x2FD; /* As per KMTests */
iBcb->PFCB.NodeByteSize = 0;
iBcb->PFCB.MappedLength = Length;
iBcb->PFCB.MappedFileOffset = *FileOffset;
iBcb->Vacb = Vacb;
@ -308,8 +308,9 @@ CcpPinData(
}
_SEH2_END;
*Bcb = NewBcb;
*Bcb = &NewBcb->PFCB;
*Buffer = (PVOID)((ULONG_PTR)NewBcb->Vacb->BaseAddress + VacbOffset);
return TRUE;
}
@ -411,7 +412,7 @@ CcMapData (
}
_SEH2_END;
*pBcb = iBcb;
*pBcb = &iBcb->PFCB;
*pBuffer = (PVOID)((ULONG_PTR)iBcb->Vacb->BaseAddress + VacbOffset);
CCTRACE(CC_API_DEBUG, "FileObject=%p FileOffset=%p Length=%lu Flags=0x%lx -> TRUE Bcb=%p, Buffer %p\n",
@ -451,14 +452,14 @@ CcPinMappedData (
return FALSE;
}
iBcb = *Bcb;
iBcb = *Bcb ? CONTAINING_RECORD(*Bcb, INTERNAL_BCB, PFCB) : NULL;
++CcPinMappedDataCount;
Result = CcpPinData(SharedCacheMap, FileOffset, Length, Flags, Bcb, &Buffer);
if (Result)
{
CcUnpinData(iBcb);
CcUnpinData(&iBcb->PFCB);
}
return Result;
@ -542,10 +543,9 @@ CcSetDirtyPinnedData (
IN PVOID Bcb,
IN PLARGE_INTEGER Lsn)
{
PINTERNAL_BCB iBcb = Bcb;
PINTERNAL_BCB iBcb = CONTAINING_RECORD(Bcb, INTERNAL_BCB, PFCB);
CCTRACE(CC_API_DEBUG, "Bcb=%p Lsn=%p\n",
Bcb, Lsn);
CCTRACE(CC_API_DEBUG, "Bcb=%p Lsn=%p\n", Bcb, Lsn);
/* Tell Mm */
MmMakePagesDirty(NULL,
@ -580,7 +580,7 @@ CcUnpinDataForThread (
IN PVOID Bcb,
IN ERESOURCE_THREAD ResourceThreadId)
{
PINTERNAL_BCB iBcb = Bcb;
PINTERNAL_BCB iBcb = CONTAINING_RECORD(Bcb, INTERNAL_BCB, PFCB);
CCTRACE(CC_API_DEBUG, "Bcb=%p ResourceThreadId=%lu\n", Bcb, ResourceThreadId);
@ -601,7 +601,7 @@ NTAPI
CcRepinBcb (
IN PVOID Bcb)
{
PINTERNAL_BCB iBcb = Bcb;
PINTERNAL_BCB iBcb = CONTAINING_RECORD(Bcb, INTERNAL_BCB, PFCB);
CCTRACE(CC_API_DEBUG, "Bcb=%p\n", Bcb);
@ -618,7 +618,7 @@ CcUnpinRepinnedBcb (
IN BOOLEAN WriteThrough,
IN PIO_STATUS_BLOCK IoStatus)
{
PINTERNAL_BCB iBcb = Bcb;
PINTERNAL_BCB iBcb = CONTAINING_RECORD(Bcb, INTERNAL_BCB, PFCB);
KIRQL OldIrql;
PROS_SHARED_CACHE_MAP SharedCacheMap;