On Sun, Apr 24, 2022 at 11:27:17AM +0800, Shile Zhang wrote: > Hi David and Daniel, > > Sorry but could you please help to check this issue? > Due to the function 'drm_gem_shmem_vmap' could return ERROR pointers which > will cause the kernel crash due to 'cirrus_fb_blit_rect' only check the > pointer. > > Since the related code has been refactoring in mainline, so this issue only > happened in stable 5.10.y branch. > > @Greg > I think it is probably not realistic to backport the related refactoring > from mainline directly, so I just give this bugfix patch only for 5.10.y > branch. I'm sorry, but I do not have "this bugfix" in my queue anymore, considering it is so old. Please rebase and resubmit. thanks, greg k-h