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Date: Fri, 29 Mar 2024 19:56:02 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Jonathan Corbet <corbet@lwn.net>
Cc: Kees Cook <keescook@chromium.org>, Lasse Collin
 <lasse.collin@tukaani.org>, Jia Tan <jiat0218@gmail.com>,
 linux-kernel@vger.kernel.org
Subject: Re: [tech-board] [PATCH 00/11] xz: Updates to license, filters, and
 compression options
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On Fri, 29 Mar 2024 14:51:41 -0600 Jonathan Corbet <corbet@lwn.net> wrote:

> > Andrew (and anyone else), please do not take this code right now.
> >
> > Until the backdooring of upstream xz[1] is fully understood, we should not
> > accept any code from Jia Tan, Lasse Collin, or any other folks associated
> > with tukaani.org. It appears the domain, or at least credentials
> > associated with Jia Tan, have been used to create an obfuscated ssh
> > server backdoor via the xz upstream releases since at least 5.6.0.
> > Without extensive analysis, we should not take any associated code.
> > It may be worth doing some retrospective analysis of past contributions
> > as well...
> >
> > Lasse, are you able to comment about what is going on here?
> 
> FWIW, it looks like this series has been in linux-next for a few days.
> Maybe it needs to come out, for now at least?

Yes, I have removed that series.