Re: [PATCH v5 3/5] accel/amdxdna: do not warn when a sync request is rejected

[Lizhi Hou]

Applied to drm-misc-next

On 9/17/26 08:55, Lizhi Hou wrote:
> On 8/19/26 15:44, Taimuraz Kaitmazov wrote:
> > amdxdna_drm_sync_bo_ioctl() answers a failed amdxdna_flush_bo() with
> > drm_WARN(). Both of that function's error returns are decided by the
> > ioctl's arguments, so SYNC_BO with an offset past the end of the BO
> > splats and taints the kernel from an unprivileged caller.
> >
> > Log it at debug level, since the same caller can repeat it.
> >
> > Signed-off-by: Taimuraz Kaitmazov <taimuraz@xxxxxxxxxxxxx>
> > ---
> >   drivers/accel/amdxdna/amdxdna_gem.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/accel/amdxdna/amdxdna_gem.c 
> > b/drivers/accel/amdxdna/amdxdna_gem.c
> > index 77a9493cd7ba..0e0f844526ca 100644
> > --- a/drivers/accel/amdxdna/amdxdna_gem.c
> > +++ b/drivers/accel/amdxdna/amdxdna_gem.c
> > @@ -1310,7 +1310,7 @@ int amdxdna_drm_sync_bo_ioctl(struct drm_device 
> > *dev,
> >           amdxdna_gem_unpin(abo);
> >             if (ret) {
> > -            drm_WARN(&xdna->ddev, 1, "Can not get flush memory");
> > +            XDNA_DBG(xdna, "Flush BO %d failed, ret %d", 
> > args->handle, ret);
> Reviewed-by: Lizhi Hou <lizhi.hou@xxxxxxx>
> >               goto put_obj;
> >           }
> >       }