问内核写入进程内存导致BSOD

EN

BOOLEAN fWriteProcessMemory(ULONG PID, PEPROCESS PEProcess, PVOID Address, ULONG Size, PVOID Buffer)
{
    PEPROCESS selectedprocess = PEProcess;
    KAPC_STATE apc_state;
    NTSTATUS ntStatus = STATUS_UNSUCCESSFUL;

    if (selectedprocess == NULL)
    {
        if (!NT_SUCCESS(PsLookupProcessByProcessId((PVOID)(UINT_PTR)PID, &selectedprocess)))
            return FALSE;
    }

    UINT_PTR temp = (UINT_PTR)Address;

    RtlZeroMemory(&apc_state, sizeof(apc_state));

    KeAttachProcess((PEPROCESS)selectedprocess);

    char* target;
    char* source;
    unsigned int i;

    target = Address;
    source = Buffer;

    for (i = 0; i<Size; i++)
    {
        target[i] = source[i];
    }
    ntStatus = STATUS_SUCCESS;

    KeDetachProcess();

    return NT_SUCCESS(ntStatus);
}

fWriteProcessMemory(GlobalProcessID, GlobalProcessPE, (PVOID)(*(ULONG*)pBuf), sizeof(ULDat), (PVOID)ULDat)