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- Check if the given address points into a valid section (in MmUnmapViewOfSection).

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- Check if the section isn't deleted straight (in MmUnmapViewOfSection).

svn path=/trunk/; revision=10663
This commit is contained in:
Hartmut Birr 2004-08-23 22:29:43 +00:00
parent e208613f37
commit b78c2817c4
1 changed files with 17 additions and 15 deletions
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32
reactos/ntoskrnl/mm/section.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: section.c,v 1.160 2004/08/20 21:23:49 navaraf Exp $
/* $Id: section.c,v 1.161 2004/08/23 22:29:43 hbirr Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/section.c
@ -806,8 +806,8 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
}
/*
* Store the swap entry for later use.
*/
* Store the swap entry for later use.
*/
MmSetSavedSwapEntryPage(Page, SwapEntry);
/*
@ -2199,7 +2199,7 @@ MmCreatePageFileSection(PSECTION_OBJECT *SectionObject,
sizeof(SECTION_OBJECT),
0,
0,
(PVOID*)&Section);
(PVOID*)(PVOID)&Section);
if (!NT_SUCCESS(Status))
{
return(Status);
@ -2274,7 +2274,7 @@ MmCreateDataFileSection(PSECTION_OBJECT *SectionObject,
sizeof(SECTION_OBJECT),
0,
0,
(PVOID*)&Section);
(PVOID*)(PVOID)&Section);
if (!NT_SUCCESS(Status))
{
return(Status);
@ -2309,7 +2309,7 @@ MmCreateDataFileSection(PSECTION_OBJECT *SectionObject,
FileAccess,
IoFileObjectType,
UserMode,
(PVOID*)&FileObject,
(PVOID*)(PVOID)&FileObject,
NULL);
if (!NT_SUCCESS(Status))
{
@ -2538,7 +2538,7 @@ MmCreateImageSection(PSECTION_OBJECT *SectionObject,
FileAccess,
IoFileObjectType,
UserMode,
(PVOID*)&FileObject,
(PVOID*)(PVOID)&FileObject,
NULL);
if (!NT_SUCCESS(Status))
{
@ -2659,7 +2659,7 @@ MmCreateImageSection(PSECTION_OBJECT *SectionObject,
sizeof(SECTION_OBJECT),
0,
0,
(PVOID*)&Section);
(PVOID*)(PVOID)&Section);
if (!NT_SUCCESS(Status))
{
ObDereferenceObject(FileObject);
@ -2841,7 +2841,7 @@ MmCreateImageSection(PSECTION_OBJECT *SectionObject,
sizeof(SECTION_OBJECT),
0,
0,
(PVOID*)&Section);
(PVOID*)(PVOID)&Section);
if (!NT_SUCCESS(Status))
{
ObDereferenceObject(FileObject);
@ -3110,7 +3110,7 @@ NtMapViewOfSection(HANDLE SectionHandle,
PROCESS_VM_OPERATION,
PsProcessType,
UserMode,
(PVOID*)&Process,
(PVOID*)(PVOID)&Process,
NULL);
if (!NT_SUCCESS(Status))
{
@ -3123,7 +3123,7 @@ NtMapViewOfSection(HANDLE SectionHandle,
SECTION_MAP_READ,
MmSectionObjectType,
UserMode,
(PVOID*)&Section,
(PVOID*)(PVOID)&Section,
NULL);
if (!(NT_SUCCESS(Status)))
{
@ -3334,9 +3334,11 @@ MmUnmapViewOfSection(PEPROCESS Process,
AddressSpace = &Process->AddressSpace;
MemoryArea = MmOpenMemoryAreaByAddress(AddressSpace,
BaseAddress);
if (MemoryArea == NULL)
if (MemoryArea == NULL ||
MemoryArea->Type != MEMORY_AREA_SECTION_VIEW ||
MemoryArea->DeleteInProgress)
{
return(STATUS_UNSUCCESSFUL);
return STATUS_NOT_MAPPED_VIEW;
}
Section = MemoryArea->Data.SectionData.Section;
@ -3422,7 +3424,7 @@ NtUnmapViewOfSection (HANDLE ProcessHandle,
PROCESS_VM_OPERATION,
PsProcessType,
UserMode,
(PVOID*)&Process,
(PVOID*)(PVOID)&Process,
NULL);
if (!NT_SUCCESS(Status))
{
@ -3477,7 +3479,7 @@ NtQuerySection(IN HANDLE SectionHandle,
SECTION_QUERY,
MmSectionObjectType,
UserMode,
(PVOID*)&Section,
(PVOID*)(PVOID)&Section,
NULL);
if (!(NT_SUCCESS(Status)))
{