On Wed, Apr 11, 2018 at 10:28:06AM +0900, Tetsuo Handa wrote: > Al Viro wrote: > > On Wed, Apr 04, 2018 at 07:53:07PM +0900, Tetsuo Handa wrote: > > > Al and Michal, are you OK with this patch? > > > > First of all, it does *NOT* fix the problems with careless ->kill_sb(). > > The fuse-blk case is the only real rationale so far. Said that, > > > > Please notice below one as well. Fixing all careless ->kill_sb() will be too > difficult to backport. For now, avoid calling deactivate_locked_super() is > safer. How will that fix e.g. jffs2? > [upstream] WARNING: refcount bug in put_pid_ns > https://syzkaller.appspot.com/bug?id=17e202b4794da213570ba33ac2f70277ef1ce015 Should be fixed by 8e666cb33597 in that series, AFAICS.
