[PATCH v6 5/5] kernfs: initialize security of newly created nodes

Tejun Heo tj at kernel.org
Mon Feb 18 21:02:15 UTC 2019


On Mon, Feb 18, 2019 at 11:03:58AM +0100, Ondrej Mosnacek wrote:
> I don't think there is a way currently to check whether some LSM has
> been enabled at boot or not. I suppose we could add such function for
> this kind of heuristics, but I'm not sure how it would interplay with
> the plans to allow multiple LSM to be enabled simultaneously...
> Perhaps it would be better/easier to just add a
> security_kernfs_needs_init() function, which would simply check if the
> list of registered kernfs_init_security hooks is empty.
> I propose something like the patch below (the whitespace is mangled -
> intended just for visual review). I plan to fold it into the next
> respin if there are no objections to this approach.

Sounds good to me.



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