https://git.reactos.org/?p=reactos.git;a=commitdiff;h=45231fbbc55a91d67d4ebeec990edf9d9118355c
commit 45231fbbc55a91d67d4ebeec990edf9d9118355c Author: Pierre Schweitzer <pie...@reactos.org> AuthorDate: Sat Oct 13 14:23:38 2018 +0200 Commit: Pierre Schweitzer <pie...@reactos.org> CommitDate: Sat Oct 13 14:24:52 2018 +0200 [KMTESTS:CC] Add a test showing our CcPinMappedData() implementation is broken --- modules/rostests/kmtests/CMakeLists.txt | 1 + modules/rostests/kmtests/kmtest/testlist.c | 2 + modules/rostests/kmtests/ntos_cc/CMakeLists.txt | 15 + .../rostests/kmtests/ntos_cc/CcPinMappedData_drv.c | 366 +++++++++++++++++++++ .../kmtests/ntos_cc/CcPinMappedData_user.c | 32 ++ 5 files changed, 416 insertions(+) diff --git a/modules/rostests/kmtests/CMakeLists.txt b/modules/rostests/kmtests/CMakeLists.txt index 51407959c4..623188e913 100644 --- a/modules/rostests/kmtests/CMakeLists.txt +++ b/modules/rostests/kmtests/CMakeLists.txt @@ -137,6 +137,7 @@ list(APPEND KMTEST_SOURCE kernel32/FindFile_user.c ntos_cc/CcCopyRead_user.c ntos_cc/CcMapData_user.c + ntos_cc/CcPinMappedData_user.c ntos_cc/CcPinRead_user.c ntos_io/IoCreateFile_user.c ntos_io/IoDeviceObject_user.c diff --git a/modules/rostests/kmtests/kmtest/testlist.c b/modules/rostests/kmtests/kmtest/testlist.c index a0ede71368..5b5b65364b 100644 --- a/modules/rostests/kmtests/kmtest/testlist.c +++ b/modules/rostests/kmtests/kmtest/testlist.c @@ -8,6 +8,7 @@ KMT_TESTFUNC Test_CcCopyRead; KMT_TESTFUNC Test_CcMapData; +KMT_TESTFUNC Test_CcPinMappedData; KMT_TESTFUNC Test_CcPinRead; KMT_TESTFUNC Test_Example; KMT_TESTFUNC Test_FileAttributes; @@ -38,6 +39,7 @@ const KMT_TEST TestList[] = { { "CcCopyRead", Test_CcCopyRead }, { "CcMapData", Test_CcMapData }, + { "CcPinMappedData", Test_CcPinMappedData }, { "CcPinRead", Test_CcPinRead }, { "-Example", Test_Example }, { "FileAttributes", Test_FileAttributes }, diff --git a/modules/rostests/kmtests/ntos_cc/CMakeLists.txt b/modules/rostests/kmtests/ntos_cc/CMakeLists.txt index 83d2317a75..3357f19e68 100644 --- a/modules/rostests/kmtests/ntos_cc/CMakeLists.txt +++ b/modules/rostests/kmtests/ntos_cc/CMakeLists.txt @@ -31,6 +31,21 @@ add_target_compile_definitions(ccmapdata_drv KMT_STANDALONE_DRIVER) #add_pch(ccmapdata_drv ../include/kmt_test.h) add_rostests_file(TARGET ccmapdata_drv) +# +# CcPinMappedData +# +list(APPEND CCPINMAPPEDDATA_DRV_SOURCE + ../kmtest_drv/kmtest_standalone.c + CcPinMappedData_drv.c) + +add_library(ccpinmappeddata_drv SHARED ${CCPINMAPPEDDATA_DRV_SOURCE}) +set_module_type(ccpinmappeddata_drv kernelmodedriver) +target_link_libraries(ccpinmappeddata_drv kmtest_printf ${PSEH_LIB}) +add_importlibs(ccpinmappeddata_drv ntoskrnl hal) +add_target_compile_definitions(ccpinmappeddata_drv KMT_STANDALONE_DRIVER) +#add_pch(ccpinmappeddata_drv ../include/kmt_test.h) +add_rostests_file(TARGET ccpinmappeddata_drv) + # # CcPinRead # diff --git a/modules/rostests/kmtests/ntos_cc/CcPinMappedData_drv.c b/modules/rostests/kmtests/ntos_cc/CcPinMappedData_drv.c new file mode 100644 index 0000000000..5f52301cce --- /dev/null +++ b/modules/rostests/kmtests/ntos_cc/CcPinMappedData_drv.c @@ -0,0 +1,366 @@ +/* + * PROJECT: ReactOS kernel-mode tests + * LICENSE: LGPLv2.1+ - See COPYING.LIB in the top level directory + * PURPOSE: Test driver for CcPinMappedData function + * PROGRAMMER: Pierre Schweitzer <pie...@reactos.org> + */ + +#include <kmt_test.h> + +#define NDEBUG +#include <debug.h> + +#define IOCTL_START_TEST 1 +#define IOCTL_FINISH_TEST 2 + +typedef struct _TEST_FCB +{ + FSRTL_ADVANCED_FCB_HEADER Header; + SECTION_OBJECT_POINTERS SectionObjectPointers; + FAST_MUTEX HeaderMutex; +} TEST_FCB, *PTEST_FCB; + +typedef struct _TEST_CONTEXT +{ + PVOID Bcb; + PVOID Buffer; + ULONG Length; +} TEST_CONTEXT, *PTEST_CONTEXT; + +static ULONG TestTestId = -1; +static PFILE_OBJECT TestFileObject; +static PDEVICE_OBJECT TestDeviceObject; +static KMT_IRP_HANDLER TestIrpHandler; +static KMT_MESSAGE_HANDLER TestMessageHandler; + +NTSTATUS +TestEntry( + _In_ PDRIVER_OBJECT DriverObject, + _In_ PCUNICODE_STRING RegistryPath, + _Out_ PCWSTR *DeviceName, + _Inout_ INT *Flags) +{ + NTSTATUS Status = STATUS_SUCCESS; + + PAGED_CODE(); + + UNREFERENCED_PARAMETER(RegistryPath); + + *DeviceName = L"CcPinMappedData"; + *Flags = TESTENTRY_NO_EXCLUSIVE_DEVICE | + TESTENTRY_BUFFERED_IO_DEVICE | + TESTENTRY_NO_READONLY_DEVICE; + + KmtRegisterIrpHandler(IRP_MJ_READ, NULL, TestIrpHandler); + KmtRegisterMessageHandler(0, NULL, TestMessageHandler); + + + return Status; +} + +VOID +TestUnload( + _In_ PDRIVER_OBJECT DriverObject) +{ + PAGED_CODE(); +} + +BOOLEAN +NTAPI +AcquireForLazyWrite( + _In_ PVOID Context, + _In_ BOOLEAN Wait) +{ + return TRUE; +} + +VOID +NTAPI +ReleaseFromLazyWrite( + _In_ PVOID Context) +{ + return; +} + +BOOLEAN +NTAPI +AcquireForReadAhead( + _In_ PVOID Context, + _In_ BOOLEAN Wait) +{ + return TRUE; +} + +VOID +NTAPI +ReleaseFromReadAhead( + _In_ PVOID Context) +{ + return; +} + +static CACHE_MANAGER_CALLBACKS Callbacks = { + AcquireForLazyWrite, + ReleaseFromLazyWrite, + AcquireForReadAhead, + ReleaseFromReadAhead, +}; + +static CC_FILE_SIZES FileSizes = { + RTL_CONSTANT_LARGE_INTEGER((LONGLONG)0x4000), // .AllocationSize + RTL_CONSTANT_LARGE_INTEGER((LONGLONG)0x4000), // .FileSize + RTL_CONSTANT_LARGE_INTEGER((LONGLONG)0x4000) // .ValidDataLength +}; + +static +PVOID +MapAndLockUserBuffer( + _In_ _Out_ PIRP Irp, + _In_ ULONG BufferLength) +{ + PMDL Mdl; + + if (Irp->MdlAddress == NULL) + { + Mdl = IoAllocateMdl(Irp->UserBuffer, BufferLength, FALSE, FALSE, Irp); + if (Mdl == NULL) + { + return NULL; + } + + _SEH2_TRY + { + MmProbeAndLockPages(Mdl, Irp->RequestorMode, IoWriteAccess); + } + _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) + { + IoFreeMdl(Mdl); + Irp->MdlAddress = NULL; + _SEH2_YIELD(return NULL); + } + _SEH2_END; + } + + return MmGetSystemAddressForMdlSafe(Irp->MdlAddress, NormalPagePriority); +} + +static +VOID +PerformTest( + ULONG TestId, + PDEVICE_OBJECT DeviceObject) +{ + PVOID Bcb, PinBcb; + BOOLEAN Ret; + PULONG Buffer; + PTEST_FCB Fcb; + LARGE_INTEGER Offset; + + ok_eq_pointer(TestFileObject, NULL); + ok_eq_pointer(TestDeviceObject, NULL); + ok_eq_ulong(TestTestId, -1); + + TestDeviceObject = DeviceObject; + TestTestId = TestId; + TestFileObject = IoCreateStreamFileObject(NULL, DeviceObject); + if (!skip(TestFileObject != NULL, "Failed to allocate FO\n")) + { + Fcb = ExAllocatePool(NonPagedPool, sizeof(TEST_FCB)); + if (!skip(Fcb != NULL, "ExAllocatePool failed\n")) + { + RtlZeroMemory(Fcb, sizeof(TEST_FCB)); + ExInitializeFastMutex(&Fcb->HeaderMutex); + FsRtlSetupAdvancedHeader(&Fcb->Header, &Fcb->HeaderMutex); + + TestFileObject->FsContext = Fcb; + TestFileObject->SectionObjectPointer = &Fcb->SectionObjectPointers; + + KmtStartSeh(); + CcInitializeCacheMap(TestFileObject, &FileSizes, TRUE, &Callbacks, NULL); + KmtEndSeh(STATUS_SUCCESS); + + if (!skip(CcIsFileCached(TestFileObject) == TRUE, "CcInitializeCacheMap failed\n")) + { + if (TestId == 0) + { + Ret = FALSE; + Offset.QuadPart = TestId * 0x1000; + KmtStartSeh(); + Ret = CcMapData(TestFileObject, &Offset, FileSizes.FileSize.QuadPart - Offset.QuadPart, MAP_WAIT, &Bcb, (PVOID *)&Buffer); + KmtEndSeh(STATUS_SUCCESS); + + if (!skip(Ret == TRUE, "CcMapData failed\n")) + { + Ret = FALSE; + PinBcb = Bcb; + ok_eq_ulong(Buffer[0x3000 / sizeof(ULONG)], 0xDEADBABE); + + KmtStartSeh(); + Ret = CcPinMappedData(TestFileObject, &Offset, FileSizes.FileSize.QuadPart - Offset.QuadPart, PIN_WAIT, &PinBcb); + KmtEndSeh(STATUS_SUCCESS); + + if (!skip(Ret == TRUE, "CcPinMappedData failed\n")) + { + ok(Bcb != PinBcb, "Returned same BCB!\n"); + ok(*(PUSHORT)PinBcb == 0x2FD, "Not a BCB: %x\n", *(PUSHORT)PinBcb); + + /* Previous BCB isn't valid anymore! */ + Bcb = PinBcb; + } + + CcUnpinData(Bcb); + } + } + } + } + } +} + + +static +VOID +CleanupTest( + ULONG TestId, + PDEVICE_OBJECT DeviceObject) +{ + LARGE_INTEGER Zero = RTL_CONSTANT_LARGE_INTEGER(0LL); + CACHE_UNINITIALIZE_EVENT CacheUninitEvent; + + ok_eq_pointer(TestDeviceObject, DeviceObject); + ok_eq_ulong(TestTestId, TestId); + + if (!skip(TestFileObject != NULL, "No test FO\n")) + { + if (CcIsFileCached(TestFileObject)) + { + KeInitializeEvent(&CacheUninitEvent.Event, NotificationEvent, FALSE); + CcUninitializeCacheMap(TestFileObject, &Zero, &CacheUninitEvent); + KeWaitForSingleObject(&CacheUninitEvent.Event, Executive, KernelMode, FALSE, NULL); + } + + if (TestFileObject->FsContext != NULL) + { + ExFreePool(TestFileObject->FsContext); + TestFileObject->FsContext = NULL; + TestFileObject->SectionObjectPointer = NULL; + } + + ObDereferenceObject(TestFileObject); + } + + TestFileObject = NULL; + TestDeviceObject = NULL; + TestTestId = -1; +} + + +static +NTSTATUS +TestMessageHandler( + _In_ PDEVICE_OBJECT DeviceObject, + _In_ ULONG ControlCode, + _In_opt_ PVOID Buffer, + _In_ SIZE_T InLength, + _Inout_ PSIZE_T OutLength) +{ + NTSTATUS Status = STATUS_SUCCESS; + + FsRtlEnterFileSystem(); + + switch (ControlCode) + { + case IOCTL_START_TEST: + ok_eq_ulong((ULONG)InLength, sizeof(ULONG)); + PerformTest(*(PULONG)Buffer, DeviceObject); + break; + + case IOCTL_FINISH_TEST: + ok_eq_ulong((ULONG)InLength, sizeof(ULONG)); + CleanupTest(*(PULONG)Buffer, DeviceObject); + break; + + default: + Status = STATUS_NOT_IMPLEMENTED; + break; + } + + FsRtlExitFileSystem(); + + return Status; +} + +static +NTSTATUS +TestIrpHandler( + _In_ PDEVICE_OBJECT DeviceObject, + _In_ PIRP Irp, + _In_ PIO_STACK_LOCATION IoStack) +{ + NTSTATUS Status; + + PAGED_CODE(); + + DPRINT("IRP %x/%x\n", IoStack->MajorFunction, IoStack->MinorFunction); + ASSERT(IoStack->MajorFunction == IRP_MJ_READ); + + FsRtlEnterFileSystem(); + + Status = STATUS_NOT_SUPPORTED; + Irp->IoStatus.Information = 0; + + if (IoStack->MajorFunction == IRP_MJ_READ) + { + PMDL Mdl; + ULONG Length; + PVOID Buffer; + LARGE_INTEGER Offset; + + Offset = IoStack->Parameters.Read.ByteOffset; + Length = IoStack->Parameters.Read.Length; + + ok_eq_pointer(DeviceObject, TestDeviceObject); + ok_eq_pointer(IoStack->FileObject, TestFileObject); + + ok(FlagOn(Irp->Flags, IRP_NOCACHE), "Not coming from Cc\n"); + + ok_irql(APC_LEVEL); + ok((Offset.QuadPart % PAGE_SIZE == 0 || Offset.QuadPart == 0), "Offset is not aligned: %I64i\n", Offset.QuadPart); + ok(Length % PAGE_SIZE == 0, "Length is not aligned: %I64i\n", Length); + + ok(Irp->AssociatedIrp.SystemBuffer == NULL, "A SystemBuffer was allocated!\n"); + Buffer = MapAndLockUserBuffer(Irp, Length); + ok(Buffer != NULL, "Null pointer!\n"); + RtlFillMemory(Buffer, Length, 0xBA); + + Status = STATUS_SUCCESS; + if (Offset.QuadPart <= 0x3000 && Offset.QuadPart + Length > 0x3000) + { + *(PULONG)((ULONG_PTR)Buffer + (ULONG_PTR)(0x3000 - Offset.QuadPart)) = 0xDEADBABE; + } + + Mdl = Irp->MdlAddress; + ok(Mdl != NULL, "Null pointer for MDL!\n"); + ok((Mdl->MdlFlags & MDL_PAGES_LOCKED) != 0, "MDL not locked\n"); + ok((Mdl->MdlFlags & MDL_SOURCE_IS_NONPAGED_POOL) == 0, "MDL from non paged\n"); + ok((Mdl->MdlFlags & MDL_IO_PAGE_READ) != 0, "Non paging IO\n"); + ok((Irp->Flags & IRP_PAGING_IO) != 0, "Non paging IO\n"); + + Irp->IoStatus.Information = Length; + } + + if (Status == STATUS_PENDING) + { + IoMarkIrpPending(Irp); + IoCompleteRequest(Irp, IO_NO_INCREMENT); + Status = STATUS_PENDING; + } + else + { + Irp->IoStatus.Status = Status; + IoCompleteRequest(Irp, IO_NO_INCREMENT); + } + + FsRtlExitFileSystem(); + + return Status; +} diff --git a/modules/rostests/kmtests/ntos_cc/CcPinMappedData_user.c b/modules/rostests/kmtests/ntos_cc/CcPinMappedData_user.c new file mode 100644 index 0000000000..df3cc320a2 --- /dev/null +++ b/modules/rostests/kmtests/ntos_cc/CcPinMappedData_user.c @@ -0,0 +1,32 @@ +/* + * PROJECT: ReactOS kernel-mode tests + * LICENSE: GPLv2+ - See COPYING in the top level directory + * PURPOSE: Kernel-Mode Test Suite CcPinMappedData test user-mode part + * PROGRAMMER: Pierre Schweitzer <pie...@reactos.org> + */ + +#include <kmt_test.h> + +#define IOCTL_START_TEST 1 +#define IOCTL_FINISH_TEST 2 + +START_TEST(CcPinMappedData) +{ + DWORD Ret; + ULONG TestId; + + KmtLoadDriver(L"CcPinMappedData", FALSE); + KmtOpenDriver(); + + /* 1 basic test */ + for (TestId = 0; TestId < 1; ++TestId) + { + Ret = KmtSendUlongToDriver(IOCTL_START_TEST, TestId); + ok(Ret == ERROR_SUCCESS, "KmtSendUlongToDriver failed: %lx\n", Ret); + Ret = KmtSendUlongToDriver(IOCTL_FINISH_TEST, TestId); + ok(Ret == ERROR_SUCCESS, "KmtSendUlongToDriver failed: %lx\n", Ret); + } + + KmtCloseDriver(); + KmtUnloadDriver(); +}