Hi Janusz,
> I agree with both Andi and Krzysztof comments.
>
> If the issue is tracked in our bug tracker then please provide a link to its
> record in a Link: or even Closes: tag. Do you have call traces on hand?
> Probably yes, so please consider adding a concise excerpt to your description.
>
> While looking for similar cases, I've found commit 51104c19d857 ("kunit: test:
> Add vm_mmap() allocation resource manager") that seems to have resolved a
> similar issue for then newly added kunit tests accessing current->mm. Maybe
> the approach used there is worth of reusing it for i915 selftests.
>
> Thanks,
> Janusz
Here is related bug
Link: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13679
I've seen commit you found. It sadly uses symbols that aren't exported
outside of mm module and kunit tests and so I can't replicate it in our
selftest.
Mikołaj
