[PATCH 6/6] drm: Add four ioctls for managing drm mode object leases [v4]

[Dave Airlie]

> +                */
> +               ret = idr_alloc(&leases, &drm_lease_idr_object , object_id, object_id + 1, GFP_KERNEL);

In current kernels, the idr_alloc warns if start < 0, so if object_id
is a negative signed integer, which your
igt tests actually make it.

So we get an ugly debug splat from the idr code, you should probably
make sure object_id is
something valid in signed space first, to avoid the splat.

Dave.