From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Schmitz <schmitzmic@gmail.com>
Subject: Re: Kernel stack read with PTRACE_EVENT_EXIT and io_uring threads
Date: Thu, 17 Jun 2021 07:40:57 +1200
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To: Geert Uytterhoeven <geert@linux-m68k.org>, "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>, linux-arch <linux-arch@vger.kernel.org>, Jens Axboe <axboe@kernel.dk>, Oleg Nesterov <oleg@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Richard Henderson <rth@twiddle.net>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Matt Turner <mattst88@gmail.com>, alpha <linux-alpha@vger.kernel.org>, linux-m68k <linux-m68k@lists.linux-m68k.org>, Arnd Bergmann <arnd@kernel.org>, Ley Foon Tan <ley.foon.tan@intel.com>, Tejun Heo <tj@kernel.org>, Kees Cook <keescook@chromium.org>

Hi Geert,

On 16/06/21 7:38 pm, Geert Uytterhoeven wrote:
> Hi Eric,
>
> On Tue, Jun 15, 2021 at 9:32 PM Eric W. Biederman <ebiederm@xmission.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/

Thanks, I'll try that one.

I'll try and implement a few of the solutions Eric came up with for 
alpha, unless someone beats me to it (Andreas?).

Cheers,

     Michael


>
> Gr{oetje,eeting}s,
>
>                          Geert
>