Linux-kernel mailing list archive 1997-11,: Re: knfsd and system crashes

# Re: knfsd and system crashes

Albert D. Cahalan (acahalan@cs.uml.edu)
Tue, 25 Nov 1997 18:50:53 -0500 (EST)

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>> I think a direct iget to retrieve the inode from the NFS file
>> handle is probably a good idea when all other options fail.
>> However, I am concerned that this may add security holes.
>
> Note that inode guessing is one reason for including inode
> generation numbers in NFS file handles (as is done in the
> BSD NFS implementation).

This would seem to indicate i_version is a critical secret,
perhaps something that should be generated from /dev/urandom
and updated in a similar manner instead of the ++ in use now.

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