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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
fail_driver1.c
Abstract:
This is a sample driver that contains intentionally placed
code defects in order to illustrate how Static Driver Verifier
works. This driver is not functional and not intended as a
sample for real driver development projects.
Environment:
Kernel mode
--*/
#include "fail_driver1.h"
#define _DRIVER_NAME_ "fail_driver1"
#ifndef __cplusplus
#pragma alloc_text (INIT, DriverEntry)
#pragma alloc_text (PAGE, DriverAddDevice)
#pragma alloc_text (PAGE, DispatchCreate)
#pragma alloc_text (PAGE, DispatchRead)
#pragma alloc_text (PAGE, DispatchPower)
#pragma alloc_text (PAGE, DispatchSystemControl)
#pragma alloc_text (PAGE, DispatchPnp)
#pragma alloc_text (PAGE, DriverUnload)
#endif
NTSTATUS
DriverEntry(
_In_ PDRIVER_OBJECT DriverObject,
_In_ PUNICODE_STRING RegistryPath
)
{
UNREFERENCED_PARAMETER(RegistryPath);
DriverObject->MajorFunction[IRP_MJ_CREATE] = DispatchCreate;
DriverObject->MajorFunction[IRP_MJ_READ] = DispatchRead;
DriverObject->MajorFunction[IRP_MJ_POWER] = DispatchPower;
DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = DispatchSystemControl;
DriverObject->MajorFunction[IRP_MJ_PNP] = DispatchPnp;
DriverObject->DriverExtension->AddDevice = DriverAddDevice;
DriverObject->DriverUnload = DriverUnload;
return STATUS_SUCCESS;
}
NTSTATUS
DriverAddDevice(
_In_ PDRIVER_OBJECT DriverObject,
_In_ PDEVICE_OBJECT PhysicalDeviceObject
)
{
PDEVICE_OBJECT device;
PDEVICE_OBJECT TopOfStack;
PDRIVER_DEVICE_EXTENSION extension ;
NTSTATUS status;
UNREFERENCED_PARAMETER(DriverObject);
UNREFERENCED_PARAMETER(PhysicalDeviceObject);
PAGED_CODE();
// Injected CA defect for C28171
PAGED_CODE();
status = IoCreateDevice(DriverObject,
sizeof(DRIVER_DEVICE_EXTENSION),
NULL,
FILE_DEVICE_DISK,
0,
FALSE,
&device
);
if(status==STATUS_SUCCESS)
{
extension = (PDRIVER_DEVICE_EXTENSION)(device->DeviceExtension);
TopOfStack = IoAttachDeviceToDeviceStack (
device,
PhysicalDeviceObject);
if (NULL == TopOfStack)
{
IoDeleteDevice(device);
return STATUS_DEVICE_REMOVED;
}
IoInitializeDpcRequest(device,DpcForIsrRoutine);
device->Flags &= ~DO_DEVICE_INITIALIZING;
}
return status;
}
NTSTATUS
DispatchCreate (
_In_ PDEVICE_OBJECT DeviceObject,
_Inout_ PIRP Irp
)
{
KAFFINITY ProcessorMask;
PDRIVER_DEVICE_EXTENSION extension ;
PVOID *badPointer = NULL;
UNREFERENCED_PARAMETER(DeviceObject);
UNREFERENCED_PARAMETER(Irp);
PAGED_CODE();
ExFreePool(badPointer);
extension = (PDRIVER_DEVICE_EXTENSION)DeviceObject -> DeviceExtension;
ProcessorMask = (KAFFINITY)1;
IoConnectInterrupt( &extension->InterruptObject,
InterruptServiceRoutine,
extension,
NULL,
extension->ControllerVector,
PASSIVE_LEVEL,
PASSIVE_LEVEL,
LevelSensitive,
TRUE,
ProcessorMask,
TRUE );
return STATUS_SUCCESS;
}
NTSTATUS
DispatchRead (
_In_ PDEVICE_OBJECT DeviceObject,
_Inout_ PIRP Irp
)
{
/*
This defect is injected for the "SpinLock" rule.
*/
KSPIN_LOCK queueLock;
KIRQL oldIrql;
UNREFERENCED_PARAMETER(DeviceObject);
UNREFERENCED_PARAMETER(Irp);
PAGED_CODE();
KeInitializeSpinLock(&queueLock);
KeAcquireSpinLock(&queueLock, &oldIrql);
return STATUS_SUCCESS;
}
NTSTATUS
DispatchPower (
_In_ PDEVICE_OBJECT DeviceObject,
_Inout_ PIRP Irp
)
{
NTSTATUS status;
PDRIVER_DEVICE_EXTENSION extension = (PDRIVER_DEVICE_EXTENSION)(DeviceObject->DeviceExtension);
PAGED_CODE();
IoSetCompletionRoutine(Irp, CompletionRoutine, extension, TRUE, TRUE, TRUE);
status = IoCallDriver(DeviceObject,Irp);
return status;
}
NTSTATUS
DispatchSystemControl (
_In_ PDEVICE_OBJECT DeviceObject,
_Inout_ PIRP Irp
)
{
/*
This defect is injected for the "CancelSpinLock" rule.
*/
KIRQL oldIrql;
UNREFERENCED_PARAMETER(DeviceObject);
UNREFERENCED_PARAMETER(Irp);
PAGED_CODE();
IoAcquireCancelSpinLock(&oldIrql);
return STATUS_SUCCESS;
}
NTSTATUS
DispatchPnp (
_In_ PDEVICE_OBJECT DeviceObject,
_Inout_ PIRP Irp
)
{
/*
This defect is injected for "LowerDriverReturn" rule.
*/
NTSTATUS status = IoCallDriver(DeviceObject,Irp);
PAGED_CODE();
status = STATUS_SUCCESS;
return status;
}
NTSTATUS
CompletionRoutine(
_In_ PDEVICE_OBJECT DeviceObject,
_In_ PIRP Irp,
_In_reads_opt_(_Inexpressible_("varies")) PVOID EventIn
)
{
PKEVENT Event = (PKEVENT)EventIn;
KIRQL oldIrql;
PDRIVER_DEVICE_EXTENSION extension = (PDRIVER_DEVICE_EXTENSION)(DeviceObject->DeviceExtension);
UNREFERENCED_PARAMETER(Irp);
_Analysis_assume_(EventIn != NULL);
KeRaiseIrql(DISPATCH_LEVEL, &oldIrql);
/*
This defect is injected for IrqlKeSetEvent rule
*/
KeSetEvent(Event, extension->Increment, TRUE);
return STATUS_SUCCESS;
}
BOOLEAN
InterruptServiceRoutine (
_In_ PKINTERRUPT Interrupt,
_In_opt_ PVOID DeviceExtensionIn
)
{
PDRIVER_DEVICE_EXTENSION DeviceExtension = (PDRIVER_DEVICE_EXTENSION)DeviceExtensionIn;
PVOID Context = NULL;
_Analysis_assume_(DeviceExtension != NULL);
UNREFERENCED_PARAMETER(Interrupt);
IoRequestDpc(DeviceExtension->DeviceObject, DeviceExtension->Irp, Context);
return TRUE;
}
VOID
DpcForIsrRoutine(
_In_ PKDPC Dpc,
_In_ struct _DEVICE_OBJECT *DeviceObject,
_Inout_ struct _IRP *Irp,
_In_opt_ PVOID Context)
{
UNREFERENCED_PARAMETER(DeviceObject);
UNREFERENCED_PARAMETER(Irp);
UNREFERENCED_PARAMETER(Context);
UNREFERENCED_PARAMETER(Dpc);
/*
This defect is injected for IrqlIoApcLte rule
*/
IoGetInitialStack();
}
VOID
DriverUnload(
_In_ PDRIVER_OBJECT DriverObject
)
{
UNREFERENCED_PARAMETER(DriverObject);
PAGED_CODE();
return;
}
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