diff --git a/ntoskrnl/kd64/kdapi.c b/ntoskrnl/kd64/kdapi.c index 2d900336c24..482c817a9bc 100644 --- a/ntoskrnl/kd64/kdapi.c +++ b/ntoskrnl/kd64/kdapi.c @@ -2509,7 +2509,67 @@ KdSystemDebugControl( break; case SysDbgReadBusData: + if (InputBufferLength != sizeof(SYSDBG_BUS_DATA)) + { + Status = STATUS_INFO_LENGTH_MISMATCH; + } + else + { + SYSDBG_BUS_DATA Request = *(PSYSDBG_BUS_DATA)InputBuffer; + PVOID LockedBuffer; + PMDL LockVariable; + + Status = ExLockUserBuffer(Request.Buffer, + Request.Request, + PreviousMode, + IoWriteAccess, + &LockedBuffer, + &LockVariable); + if (NT_SUCCESS(Status)) + { + Status = KdpSysReadBusData(Request.BusDataType, + Request.BusNumber, + Request.SlotNumber, + Request.Address, + LockedBuffer, + Request.Request, + &Length); + ExUnlockUserBuffer(LockVariable); + } + } + break; + case SysDbgWriteBusData: + if (InputBufferLength != sizeof(SYSDBG_BUS_DATA)) + { + Status = STATUS_INFO_LENGTH_MISMATCH; + } + else + { + SYSDBG_BUS_DATA Request = *(PSYSDBG_BUS_DATA)InputBuffer; + PVOID LockedBuffer; + PMDL LockVariable; + + Status = ExLockUserBuffer(Request.Buffer, + Request.Request, + PreviousMode, + IoReadAccess, + &LockedBuffer, + &LockVariable); + if (NT_SUCCESS(Status)) + { + Status = KdpSysWriteBusData(Request.BusDataType, + Request.BusNumber, + Request.SlotNumber, + Request.Address, + LockedBuffer, + Request.Request, + &Length); + ExUnlockUserBuffer(LockVariable); + } + } + break; + case SysDbgCheckLowMemory: UNIMPLEMENTED; Status = STATUS_NOT_IMPLEMENTED;