＊为什么会崩＊

FileDisk 中的 VirtualdiskOpenFile(* * *)


NTSTATUS ntStatus;
ANSI_STRING aFilePath;
UNICODE_STRING uFilePath;
PFILE_INFORMATION pFileInfo;
OBJECT_ATTRIBUTES Obj_attribute;
PIO_STACK_LOCATION pIrpStack;
IO_STATUS_BLOCK IoStatus;


pIrpStack = IoGetCurrentIrpStackLocation(pIrp);

pFileInfo = (PFILE_INFORMATION)pIrp->AssociatedIrp.SystemBuffer;

//First ANSI_STRING
aFilePath.Length = pFileInfo->PathLength;
aFilePath.MaximumLength = pFileInfo->PathLength;
aFilePath.Buffer = pFileInfo->PathName;

DbgPrint("the filepathbuffer is %s\n", aFilePath.Buffer);

//Change it into UNICODE_STRING
ntStatus = RtlAnsiStringToUnicodeString(
&uFilePath,
&aFilePath,
FALSE
);

if( !NT_SUCCESS(ntStatus) )
{
DbgPrint("fail to convert the ansi to unicode !\n");

pIrp->IoStatus.Status = ntStatus;
pIrp->IoStatus.Information = 0;
return ntStatus;
}

DbgPrint("the file path is %S, %u, %u \n", uFilePath.Buffer, uFilePath.Length, uFilePath.MaximumLength);

InitializeObjectAttributes(
&Obj_attribute,
&uFilePath,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);


ntStatus = ZwCreateFile(
&pDeviceExt->hFile,
GENERIC_READ | GENERIC_WRITE,
&Obj_attribute,
&IoStatus,
NULL,
FILE_ATTRIBUTE_NORMAL,
0,
FILE_OPEN,
        FILE_NON_DIRECTORY_FILE |
FILE_RANDOM_ACCESS |
FILE_NO_INTERMEDIATE_BUFFERING |
FILE_SYNCHRONOUS_IO_NONALERT,
NULL,
0
);

RtlFreeUnicodeString(&uFilePath);

if( !NT_SUCCESS(ntStatus) )
{
DbgPrint("Fail to open file !\n");
return ntStatus;
}


//To get the size of the FileVirtualdisk
ntStatus = ZwQueryInformationFile(
pDeviceExt->hFile,
&IoStatus,
&pDeviceExt->sFile,
sizeof(FILE_STANDARD_INFORMATION),
FileStandardInformation
);


if( !NT_SUCCESS(ntStatus) )
{
DbgPrint("Fail to get the filesize\n");
ZwClose(pDeviceExt->hFile);
return ntStatus;
}

DbgPrint("get the filesize is %u.\n",pDeviceExt->sFile.EndOfFile.QuadPart);

pDeviceExt->MediaInDevice = TRUE;

pIrp->IoStatus.Status = STATUS_SUCCESS;
    pIrp->IoStatus.Information = 0;

return ntStatus;

是不是重入了

当然没了

你在哪个地方崩溃的？？？