On Thu, Feb 7, 2019 at 4:20 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > On Thu, Feb 07, 2019 at 03:20:06PM +0100, Miklos Szeredi wrote: > > > > Am I right assuming that this queue-modifying operation is accept(), removing > > > an embryo unix_sock from the queue of listener and thus hiding SCM_RIGHTS in > > > _its_ queue from scan_children()? > > > > Hmm... How about just receiving an SCM_RIGHTS socket (which was a > > candidate) from the queue of the peeked socket? > > Right, skb unlinked before unix_detach_fds(). I was actually thinking of a stream > case, where unlink is done after that... > > *grumble* > > The entire thing is far too brittle for my taste ;-/ If it gets used as part of io_uring, I guess it's worth a fresh look. I wrote it without basically any experience with either networking or garbage collecting, so no wonder it has rough edges. Thanks, Miklos