On Tue, Apr 28, 2020 at 09:48:11PM +1000, Michael Ellerman wrote: > > This comes from fcheck_files() via fcheck(). > > It's pretty clearly documented that fcheck() must be wrapped with > rcu_read_lock(), so fix it.
But for this to actually be useful you'd need the rcu read lock until your are done with the file (or got a reference).
