Re: [PATCH] Security/sysfs: v2 - Enable security xattrs to be set on sysfs files, directories, and symlinks.

[ebiederm@xmission.com (Eric W. Biederman)]

Casey Schaufler <casey@schaufler-ca.com> writes:

> So I still don't like the way it exposes LSM internal data to the
> file system code, but given how long it's taking for me to create
> a better solution I don't think that I can in all fairness say NAK
> to David Quigley's sysfs patch any longer. I withdraw my objection,
> while maintaining my reservations.

Until I see it wired up against another filesystem I retain my
objections.  When I asked he pretty much told me that it doesn't
generalize to other filesystems well and it is a sysfs special case.

The way sysctl and proc are wired as special cases into the lsm
has been a maintenance disaster so far, and I think it a very bad
idea to add yet another lsm special case, that supports only one
filesystem.

Eric

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