On Wed, 02 Sep 2020 17:35:30 +0200, Al Viro wrote: > > On Wed, Sep 02, 2020 at 05:22:00PM +0200, Takashi Iwai wrote: > > > Marc, Al, could you guys check this bug? > > That's racy; the first one should be get_file_rcu() instead of > file_count()+get_file(), the second is not needed at all (we > have the file pinned down by the caller). Yeah, that wasn't meant as a fix, of course :) > See vfs.git#work.epoll > for fix Thanks! I'll try to run with this fix. Takashi