[vtk-developers] Help with vtkDataSetSurfaceFilter.cxx:2144...

[Berk Geveci]

Sounds like Charles' code. I CC'ed him.

On Fri, Mar 8, 2013 at 3:50 PM, Sean McBride <sean at rogue-research.com> wrote:
> Hi folks,
>
> On 18 different VTK tests, clang's sanitizer complains about:
>
> Filters/Geometry/vtkDataSetSurfaceFilter.cxx:2144:7: runtime error: index 4 out of bounds for type 'vtkIdType [4]'
>
> I believe it is right to complain.  When 'numPts' is > 4, the write to 'ptArray' goes past the end.  The read of 'tab' is ok, as it is allocated to be big enough:
>
> vtkIdType* tab = new vtkIdType[numPts];
>
> But AFAICT, 'ptArray' is always 4 items big, despite the existence of the sizeofFastQuad() function and the comment "actually a variable length array.  MUST be last"
>
> Someone out there know this code?
>
> Thanks,
>
> --
> ____________________________________________________________
> Sean McBride, B. Eng                 sean at rogue-research.com
> Rogue Research                        www.rogue-research.com
> Mac Software Developer              Montréal, Québec, Canada
>
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