linux-kernel - Re: Error mounting FC8 NFS server with 2.6.31-rc3 NFSv4 client.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 21 Jul 2009 14:28:17 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Ben Greear <greearb@...delatech.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-nfs@...r.kernel.org
Subject: Re: Error mounting FC8 NFS server with 2.6.31-rc3 NFSv4 client.

On Tue, 2009-07-21 at 11:01 -0700, Ben Greear wrote:
> On 07/21/2009 10:59 AM, Trond Myklebust wrote:
> > On Tue, 2009-07-21 at 10:36 -0700, Ben Greear wrote:
> >> On 07/21/2009 10:12 AM, Trond Myklebust wrote:
> >>> On Tue, 2009-07-21 at 09:49 -0700, Ben Greear wrote:
> >>>> On 07/21/2009 05:15 AM, Trond Myklebust wrote:
> >>>>
> >>>>> What does /var/lib/nfs/v4recovery look like on the server?
> >>>> The server was misconfigured, but I still think the client should
> >>>> behave better in this case.  If you cannot reproduce it, let me know
> >>>> and I can try to be more specific.  If you still want the v4recovery
> >>>> information, let me know and I'll send it.
> >>> So how should the client behave, when a screwed up server allows it to
> >>> mount but starts returning illegal values for setclientid? The only
> >>> thing I can see we could do is to tell the user EINSANESERVER...
> >> Well, it could just fail the mount and give up and not overly spam
> >> /var/log/messages in a tight loop perhaps?
> >
> > This doesn't happen at mount time. It happens when you open a file.
> 
> Not for me, and evidently not for the other person that reported
> similar results.  All I had to do was attempt the mount (which never
> completed).
> 
> Thanks,
> Ben

Ah... You have NFS_V4_1 enabled despite the Kconfig warning... Does the
bug occur when you turn this off too?

Trond

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/