linux-kernel - Re: [PATCH v1 0/2] firmware: dmi_scan: Make it work in kexec'ed kernel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Sun, 17 Oct 2021 15:31:17 +0200
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Dave Young <dyoung@...hat.com>, Jean Delvare <jdelvare@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Javier Tiá <javier.tia@...il.com>,
        kexec@...ts.infradead.org, Eric Biederman <ebiederm@...ssion.com>,
        linux-efi <linux-efi@...r.kernel.org>,
        Matt Fleming <matt@...eblueprint.co.uk>
Subject: Re: [PATCH v1 0/2] firmware: dmi_scan: Make it work in kexec'ed kernel

On Thu, 7 Oct 2021 at 09:23, Andy Shevchenko <andy.shevchenko@...il.com> wrote:
>
> On Thu, Oct 7, 2021 at 10:20 AM Ard Biesheuvel <ardb@...nel.org> wrote:
> > On Wed, 6 Oct 2021 at 18:28, Andy Shevchenko <andy.shevchenko@...il.com> wrote:
> > > On Mon, Jun 14, 2021 at 08:27:36PM +0300, Andy Shevchenko wrote:
> > > > On Mon, Jun 14, 2021 at 08:07:33PM +0300, Andy Shevchenko wrote:
>
> ...
>
> > > > Double checked, confirmed that it's NOT working.
> > >
> > > Any news here?
> > >
> > > Shall I resend my series?
> >
> > As I said before:
> >
> > """
> > I would still prefer to get to the bottom of this before papering over
> > it with command line options. If the memory gets corrupted by the
> > first kernel, maybe we are not preserving it correctly in the first
> > kernel.
> > """
>
> And I can't agree more, but above I asked about news, implying if
> there is anything to test?
> The issue is still there and it becomes a bit annoying to see my hack
> patches in every tree I have been using.
>

If nobody can be bothered to properly diagnose this, how important is
it, really?