[OpenAFS] 14 Jan 2021 08:25:36 GMT Breakage in RX Connection ID calculation

[Benjamin Kaduk]

On Thu, Jan 14, 2021 at 08:22:49PM +0100, Andreas Hirczy wrote:
> Jeffrey E Altman <jaltman@auristor.com> writes:
> 
> >>> Patches to correct the flaw are available from OpenAFS Gerrit
> >>>
> >>>   https://gerrit.openafs.org/14491
> >>>   rx: rx_InitHost do not overwrite RAND_bytes rx_nextCid
> >>>
> >>>   https://gerrit.openafs.org/14492
> >>>   rx: update_nextCid overflow handling is broken
> >>
> >> One more patch
> >>
> >>   https://gerrit.openafs.org/14495
> >>   rx: modify RX_CIDMASK to match update_nextCid()
> >
> > which has been abandoned in favor of
> >
> >     https://gerrit.openafs.org/14496
> >     Remove overflow check from update_nextCid
> >
> > Jeffrey Altman
> 
> Thanks!
> 
> I have created new Debian packages (Debian Buster, AMD64 only) based on
> these 3 patches - available at
> <https://itp.tugraz.at/Comp/debian/dists/buster/test/binary-amd64/>
> 
> A quick glance shows that my DB and file servers do work.
> 
> BUT: after restarting a client file access is not possible any more: "vos exa
> .." works, but "ls /afs/itp.tugraz.at/" times out.

Just to confirm: what method did you use to "restart a client"?

> | root@faepop78 ~ # ls /afs/itp.tugraz.at/
> | /bin/ls: cannot open directory '/afs/itp.tugraz.at/': Connection timed out

I also get connection timed out for /afs/itp.tugraz.at/ but can access
other files, from my laptop running the debian package that I am about to
upload to unstable, with all three patches.

-Ben