On Tue, Jul 30, 2024 at 09:13:38AM +0200, Michal Hocko wrote: > On Tue 30-07-24 01:15:47, viro@xxxxxxxxxx wrote: > > From: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > > > > we are *not* guaranteed that anything past the terminating NUL > > is mapped (let alone initialized with anything sane). > > > > [the sucker got moved in mainline] > > > > You could have preserved > Fixes: 0dea116876ee ("cgroup: implement eventfd-based generic API for notifications") > Cc: stable > > > Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > > and > Acked-by: Michal Hocko <mhocko@xxxxxxxx> Will do; FWIW, I think it would be better off going via the cgroup tree - it's completely orthogonal to the rest of the series, the only relation being "got caught during the same audit"...