[vtk-developers] Integer overflow when clipping large volumes

[Dan Lipsa]

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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