[R-pkg-devel] State of the art for UBSAN testing

[Gábor Csárdi]

R-hub v2 has UBSAN testing, the clang-asan image also has UBSAN. [1]

With the glitch that UBSAN errors do not fail the build because of a bug [2],
so you'll need to look at the results even if the build has passed.

Gabor

[1] https://r-hub.github.io/containers/
[2] https://github.com/r-hub/actions/issues/16

On Thu, May 16, 2024 at 10:27 PM Ralf Stubner <ralf.stubner using gmail.com> wrote:
>
> Dear all,
>
> I have been asked to fix a UBSAN error in my dqrng package. The error
> itself and the necessary fix are quite straight forward. However, I
> want to make 100% sure that I am really fixing the error. In the past
> I had used rhub for tasks like that. But it seems like the new rhub v2
> offers only ASAN testing. I have also tried various docker images
> (wch1/r-debug, old rhub images, rocker), but with none of them I was
> able to reproduce the error seen on CRAN. What would you consider as
> "state of the art" for reproducing UBSAN errors?
>
> Thanks
> Ralf
>
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