Re: [RFC 10/10] kmod: add a sanity check on module loading

From: Luis R. Rodriguez
Date: Thu Dec 15 2016 - 13:08:59 EST


On Fri, Dec 09, 2016 at 12:56:21PM -0800, Linus Torvalds wrote:
> On Fri, Dec 9, 2016 at 12:03 PM, Martin Wilck <mwilck@xxxxxxxx> wrote:
> > On Thu, 2016-12-08 at 11:49 -0800, Luis R. Rodriguez wrote:
> >>
> >> Although this does get us in the business of keeping alias maps in
> >> kernel, the the work to support and maintain this is trivial.
> >
> > You've implemented a special treatment for request_module("fs-$X")in
> > finished_kmod_load(), but there are many more aliases defined (and
> > used) in the kernel. Do you plan to implement special code for "char-
> > major-$X", "crypto-$X", "binfmt-$X" etc. later?
>
> Yeah, no, that is just complete garbage.
>
> Those module aliases already exist in the module info section. We just
> don't parse the alias tags in the kernel.
>
> So the real fix is to make find_module_all() just do that.

Ah yes, that is much sexier, this is now done and it works nicely, thanks
for the suggestion.

> Doing random ad-hoc "let's prefix with 'fs-xyz'" games are completely
> unacceptable. That's just pure shit. Stop this idiocy.

Look at that fin DNA in action :)

Luis