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Date: Thu, 28 Oct 2021 15:52:11 +0200
From: John Paul Adrian Glaubitz <>
 "" <>
Subject: Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8


An update to this post with oss-security CC'ed.

On 10/26/21 10:48, John Paul Adrian Glaubitz wrote:
> I have tested these patches against 5.14 but it seems the problem [1] still remains for me
> for big-endian guests. I built a patched kernel yesterday, rebooted the KVM server and let
> the build daemons do their work over night.

I have done thorough testing and I'm no longer seeing the problem with the patched kernel.

I am not sure what triggered my previous crash but I don't think it's related to this
particular bug. I will keep monitoring the server in any case and open a new bug report
in case I'm running into similar issues.


 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer -
`. `'   Freie Universitaet Berlin -
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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