linux-kernel - Re: Kernel stack read with PTRACE_EVENT_EXIT and io

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Message-ID: <CAMuHMdUkhbq+tOyrpyd5hKGGcpYduBnbnXKFBwEfCGjw5XGYVA@mail.gmail.com>
Date:   Wed, 16 Jun 2021 09:38:22 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Michael Schmitz <schmitzmic@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Jens Axboe <axboe@...nel.dk>, Oleg Nesterov <oleg@...hat.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        alpha <linux-alpha@...r.kernel.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Arnd Bergmann <arnd@...nel.org>,
        Ley Foon Tan <ley.foon.tan@...el.com>,
        Tejun Heo <tj@...nel.org>, Kees Cook <keescook@...omium.org>
Subject: Re: Kernel stack read with PTRACE_EVENT_EXIT and io_uring threads

Hi Eric,

On Tue, Jun 15, 2021 at 9:32 PM Eric W. Biederman <ebiederm@...ssion.com> wrote:
> Do you happen to know if there is userspace that will run
> in qemu-system-m68k that can be used for testing?

There's a link to an image in Laurent's patch series "[PATCH 0/2]
m68k: Add Virtual M68k Machine"
https://lore.kernel.org/linux-m68k/20210323221430.3735147-1-laurent@vivier.eu/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds