Re: F45 Change Proposal: Enable Shadow Stack by Default on x86_64 (system-wide)

On Fri, Jul 3, 2026 at 11:51 AM Arjun Shankar <[email protected]> wrote:
>
> > > Please, please, please, make that /usr/lib/tunables.conf.d/app.conf
> > > by default. As described below, this is clearly something that is
> > > part of the rpm and not "local configuration".
> > >
> >
> > I don't think this path exists. That's a glibc thing, I think, and the
> > doc about it doesn't indicate any hermetic /usr support.
> >
> > https://sourceware.org/git/?p=glibc.git;a=blobdiff;f=manual/tunables.texi;h=828c68151ad887550430605f007e289b5235f110;hp=e1d9fbae9cebe961fe45203251a761c3323a9917;hb=fae194043a099d45c044c883467c934153ecc51f;hpb=fcea66cd4685f9f3719e09cac52c73b9ece4bade
>
> Upstream doesn't need to support multiple configuration directories.
> An appropriate "include" line in the configuration shipped by Fedora's
> glibc can solve this. We intend to ship appropriate configuration to
> allow drop-in files, and the /usr/lib route suggested earlier in this
> thread sounds like a reasonable one.
>

Requiring /etc files to load /usr files violates the principle. It
needs to work the other way around.



-- 
真実はいつも一つ！/ Always, there's only one truth!
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