On Fri, Oct 04, 2019 at 03:27:48PM +0100, Al Viro wrote: > On Fri, Oct 04, 2019 at 04:05:03PM +0200, Christian Brauner wrote: > > From: Will Deacon <will@xxxxxxxxxx> > > > > Closing /dev/pts/ptmx removes the corresponding pty under /dev/pts/ > > without synchronizing against concurrent path walkers. This can lead to > > 'dcache_readdir()' tripping over a 'struct dentry' with a NULL 'd_inode' > > field: > > FWIW, vfs.git#fixes (or #next.dcache) ought to deal with that one. Is it feasible to backport your changes? Or do we want to merge the one here first and backport? Christian