RE: [NFS] Re: [PATCH] repair nfsd/sunrpc in 2.6.14-rc2-mm1 (and other -mm versions)

From: Lever, Charles
Date: Thu Sep 22 2005 - 09:11:30 EST


> -----Original Message-----
> From: Steve Dickson [mailto:SteveD@xxxxxxxxxx]
> Sent: Thursday, September 22, 2005 10:02 AM
> To: linux-kernel
> Cc: NFS@xxxxxxxxxxxxxxxxxxxxx
> Subject: [NFS] Re: [PATCH] repair nfsd/sunrpc in
> 2.6.14-rc2-mm1 (and other -mm versions)
>
> Max Kellermann wrote:
> > Your -mm patches make the sunrpc client connect to the
> portmapper with
> > a non-privileged source port. This is due to a change in
> > net/sunrpc/pmap_clnt.c, which manually resets the xprt->resvport
> > field. My tiny patch removes this line. I have no idea
> why the line
> > was added in the first place, does somebody know better?
> Yes this is a bug, since most Linux portmapper will not
> allow ports to be set or unset using non-privilege ports.
> But non-privilege ports can be used to get ports information.
> So I would suggest the following patch that stops the
> use of privileges ports on only get port requests.

this was my patch (idea was steve's). i've already sent a fix to
andrew. andrew please let me know if you haven't received it.
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