Re: [PATCH v2] binfmt_flat: do not stop relocating GOT entries prematurely on riscv

Kees Cook
2022-04-16T00:14:36Z

On Thu, Apr 14, 2022 at 09:26:10PM -0400, Konstantin Ryabitsev wrote:
> On Thu, Apr 14, 2022 at 04:27:38PM -0700, Kees Cook wrote:
> > On Thu, Apr 14, 2022 at 11:10:18AM +0200, Niklas Cassel wrote:
> > > bFLT binaries are usually created using elf2flt.
> > > [...]
> >
> > Hm, something in the chain broke DKIM, but I can't see what:
> >
> > ✗ [PATCH v2] binfmt_flat: do not stop relocating GOT entries prematurely on riscv
> > ✗ BADSIG: DKIM/wdc.com
> >
> > Konstantin, do you have a process for debugging these? I don't see the
> > "normal" stuff that breaks DKIM (i.e. a trailing mailing list footer, etc)
>
> It's our usual friend "c=simple/simple" -- vger just doesn't work with that.
> See here for reasons:
>
> https://lore.kernel.org/lkml/20211214150032.nioelgvmase7yyus@meerkat.local/
>
> You should try to convince wdc.com mail admins to set it to c=relaxed/simple,
> or you can cc all your patches to patches@lists.linux.dev (which does work
> with c=simple/simple), and then b4 will give those priority treatment.

Ah-ha! Thank you! :)

--
Kees Cook