Mailinglist Archive: opensuse-bugs (2746 mails)

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[Bug 817651] Kernel 3.7 and newer breaks rpc.gssd -n and thus update of nfs-client package for openSUSE 12.3 needed

https://bugzilla.novell.com/show_bug.cgi?id=817651

https://bugzilla.novell.com/show_bug.cgi?id=817651#c19


--- Comment #19 from Neil Brown <nfbrown@xxxxxxxx> 2013-06-11 22:06:22 UTC ---
Thanks for all the tests. Your results agree with my understanding of how it
should work.

When you run mount as a non-privileged user, it relies on the fact that
/sbin/mount.nfs is "setuid" to root, so the actual mount system-call runs as
root and consequently uses root's privileged to communicate with the NFS
server.

To allow the mount to succeed without root having any credentials, we would
need to mount systemcall to authenticate to the server using credentials based
on the 'real-uid' rather than 'effective-uid'.... I wonder if that is a good
idea.

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