Re: [PATCH v3 1/7] x86/boot/compressed: Move .got.plt entries out of the .got section

From: Kees Cook
Date: Mon Jun 29 2020 - 17:44:08 EST


On Mon, Jun 29, 2020 at 05:51:00PM +0200, Ard Biesheuvel wrote:
> On Mon, 29 Jun 2020 at 17:50, Arvind Sankar <nivedita@xxxxxxxxxxxx> wrote:
> >
> > On Mon, Jun 29, 2020 at 08:48:05AM -0700, Kees Cook wrote:
> > > On Mon, Jun 29, 2020 at 10:09:22AM -0400, Arvind Sankar wrote:
> > >
> > > This is also being done on arm64, and the section was specified slightly
> > > differently (with INFO) which maybe should be done here too?
> >
> > I was actually just about to email you to ask what that INFO is for :)
> > What does it do?
> >
>
> It makes the section non-allocatable, so it is dropped from the final image

i.e. takes no disk space, but the ASSERT can still be done.

--
Kees Cook