Memory leak in NFSv4?

[J. Bruce Fields]

On Mon, Dec 11, 2006 at 09:14:43PM +0100, Fredrik Tolf wrote:
> On Mon, 2006-12-11 at 13:18 -0500, J. Bruce Fields wrote:
> > Oh, by the way, meanwhile if you've got a moment there's a simple test
> > you could try for me:
> > 
> >  echo `date +'%s'` >/proc/net/rpc/auth.rpcsec.context/flush
> 
> You don't think just date +%s >/proc/net/rpc/auth.rpcsec.context/flush
> would do it? ;)

Doh.  No, wait, I'm sure there should be an extra |cat| in there too...

> Sure thing. Before, it was 984, and after (I saw one client create a new
> context almost immediately) it was 985. Another client then created a
> new context as well, so it went up to 986. I then tried SSH:ing to the
> other two clients, and the refcount went up to 990. I just found it
> interesting that an SSH login increased the refcount by two, while an
> existing login just increased it by one. Might my suspicion be correct
> that sshd tries to peek into the user's home directory for something and
> thus creates a new anonymous context?

Weird, could be.  OK, that does help narrow down the problem a bit,
thanks.

--b.