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[MOUNTMGR] Don't overrun output buffer in QueryPointsFromMemory

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Pierre Schweitzer 2019-09-06 08:30:18 +02:00
parent 26a31b160a
commit ff19ce934b
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1 changed files with 2 additions and 0 deletions
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drivers/filters/mountmgr/point.c
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@ -342,6 +342,8 @@ QueryPointsFromMemory(IN PDEVICE_EXTENSION DeviceExtension,
if (MountPoints->Size > Stack->Parameters.DeviceIoControl.OutputBufferLength) if (MountPoints->Size > Stack->Parameters.DeviceIoControl.OutputBufferLength)
{ {
Irp->IoStatus.Information = sizeof(MOUNTMGR_MOUNT_POINTS);
return STATUS_BUFFER_OVERFLOW; return STATUS_BUFFER_OVERFLOW;
} }