Linux DRM drm_file_update_pid() Race Condition / Use-After-Free

Linux: DRM: refcount incremented too late in drmfileupdatepid I am sending this to security@ and to the drm-misc maintainers - based on https://drm.pages.freedesktop.org/maintainer-tools/committer-drm-misc.htmlmerge-criteria I think this falls into drm-misc's area of responsibility? === summary =...