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- Ensure null termination of the method name passed to AcpiEvaluateObject in Bus_PDO_EvalMethod. Spotted by ReactCoder.
CORE-13068 #resolve

svn path=/trunk/; revision=74300
This commit is contained in:
Thomas Faber 2017-04-14 09:32:47 +00:00
parent 8acb3b7995
commit 0431372bc4
1 changed files with 6 additions and 1 deletions
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7
reactos/drivers/bus/acpi/eval.c
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@ -17,6 +17,7 @@ Bus_PDO_EvalMethod(PPDO_DEVICE_DATA DeviceData,
PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp); PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER *SimpleInt; ACPI_EVAL_INPUT_BUFFER_SIMPLE_INTEGER *SimpleInt;
ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING *SimpleStr; ACPI_EVAL_INPUT_BUFFER_SIMPLE_STRING *SimpleStr;
CHAR MethodName[5];
if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ULONG)) if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ULONG))
return STATUS_INVALID_PARAMETER; return STATUS_INVALID_PARAMETER;
@ -67,8 +68,12 @@ Bus_PDO_EvalMethod(PPDO_DEVICE_DATA DeviceData,
return STATUS_NOT_IMPLEMENTED; return STATUS_NOT_IMPLEMENTED;
} }
RtlCopyMemory(MethodName,
EvalInputBuff->MethodName,
sizeof(EvalInputBuff->MethodName));
MethodName[4] = ANSI_NULL;
Status = AcpiEvaluateObject(DeviceData->AcpiHandle, Status = AcpiEvaluateObject(DeviceData->AcpiHandle,
(CHAR*)EvalInputBuff->MethodName, MethodName,
&ParamList, &ParamList,
&RetBuff); &RetBuff);