Re: any remaining for-6.0 issues?

[Cornelia Huck <cohuck@redhat.com>]

On Wed, 14 Apr 2021 15:15:04 +0100
Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> wrote:

> On 14/04/2021 14:57, Mark Cave-Ayland wrote:
> 
> > I've definitely seen the same issue as Cornelia in my Gitlab CI builds for the ESP 
> > security fixes (first version of which appeared just before rc0). The user builds 
> > always fail on "run-tcg-tests-s390x-linux-user" for me.  
> 
> Commit 23fff7a17f lies within that range and certainly feels like it could be 
> relevant to the above failure:
> 
> 
> commit 23fff7a17f47420797ac6480147941612152a9ad
> Author: Andreas Krebbel <krebbel@linux.ibm.com>
> Date:   Wed Mar 24 19:51:28 2021 +0100
> 
>      linux-user/s390x: Use the guest pointer for the sigreturn stub
> 
>      When setting up the pointer for the sigreturn stub in the return
>      address register (r14) we currently use the host frame address instead
>      of the guest frame address.
> 
>      Note: This only caused problems if Qemu has been built with
>      --disable-pie (as it is in distros nowadays). Otherwise guest_base
>      defaults to 0 hiding the actual problem.
> 
>      Signed-off-by: Andreas Krebbel <krebbel@linux.ibm.com>
>      Reviewed-by: Laurent Vivier <laurent@vivier.eu>
>      Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
>      Message-Id: <20210324185128.63971-1-krebbel@linux.ibm.com>
>      Signed-off-by: Laurent Vivier <laurent@vivier.eu>
> 
> 
> I'll try pushing a test build to Gitlab CI with a revert for that patch on top and 
> see if it succeeds for me...

Hm. I'm actually seeing it sometimes succeeding, and sometimes failing.
I'm wondering if there's something else at play here...