[vtk-developers] Integer overflow when clipping large volumes

[Dan Lipsa]

Its merged.

On Fri, Aug 24, 2018 at 7:11 PM Dan Lipsa <dan.lipsa at kitware.com> wrote:

> Steven,
> Thanks for your contribution! Your change makes sense. I'll merge it when
> the tests finish.
>
> Dan
>
>
> On Fri, Aug 24, 2018 at 7:01 PM Hahn, Steven E. <hahnse at ornl.gov> wrote:
>
>> I encountered a segmentation fault when attempting to clip a stack of
>> tiffs (vtkImageData) in ParaView and, using the undefined behavior
>> sanitizer, tracked it down to integer overflow in vtkTableBasedClipDataSet.
>> Changing several variables from int to vtkIdType seems to correct the
>> problem.
>>
>>
>>
>> I opened a merge request with these changes and a python file to
>> reproduce the issue. The primary contributor to
>> vtkTableBasedClipDataSet.cxx isn’t on the GitLab site, so I’m not sure who
>> to tag. Is someone else interested in reviewing it?
>>
>>
>>
>> https://gitlab.kitware.com/vtk/vtk/merge_requests/4620
>>
>>
>>
>> Steven
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