On Tue, Dec 8, 2020 at 7:22 PM Minchan Kim <[email protected]> wrote: > > Jann spotted the security hole due to race of mm ownership check. > If the task is sharing the mm_struct but goes through execve() > before mm_access(), it could skip process_madvise_behavior_valid > check. That makes *any advice hint* to reach into the remote process. > > This patch removes the mm ownership check.
Applied directly - I'm not sure Andrew has anything else pending, so
might as well short-circuit it.
Linus
