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Date:   Wed, 21 Apr 2021 17:09:45 +0200 (CEST)
From:   Jiri Kosina <jikos@kernel.org>
To:     Kangjie Lu <kjlu@umn.edu>
cc:     Guenter Roeck <linux@roeck-us.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        open list <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Aditya Pakki <pakki001@umn.edu>, Qiushi Wu <wu000273@umn.edu>,
        x86@kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Arnd Bergmann <arnd@arndb.de>, David Airlie <airlied@linux.ie>,
        Michael Turquette <mturquette@baylibre.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Jean Delvare <jdelvare@suse.com>,
        Will Deacon <will@kernel.org>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Jakub Kicinski <kuba@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Johan Hovold <johan@kernel.org>,
        Jiri Slaby <jirislaby@kernel.org>,
        Pablo Neira Ayuso <pablo@netfilter.org>,
        Johannes Berg <johannes@sipsolutions.net>,
        Takashi Iwai <tiwai@suse.com>
Subject: Re: [PATCH 000/190] Revertion of all of the umn.edu commits
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On Wed, 21 Apr 2021, Kangjie Lu wrote:

> > Therefore I'd like to ask Kangjie Lu (who is CCed here) to consider
> > revising his statement in the attempted public clarification:
> >
> >         "The experiment did not introduce any bug or bug-introducing
> > commit into
> >          OSS."
> >
> > at [1] as it's clearly not true. Missing mutex unlock clearky is a bug
> > introduced by this experiment.
> >
> 
> Hi everyone,
> 
> I am so sorry for the concerns. I fully understand why the community is
> angry. Please allow me to have a very quick response, as Jiri requested. We
> will provide a detailed explanation later.

Thanks.

> These are two different projects. The one published at IEEE S&P 2021 has
> completely finished in November 2020. 

What about 8a94644b440 then? It's from May 2020, it has been committed to 
the tree, and it introduces a NULL pointer dereference on 
kobject_init_and_add() failure.

-- 
Jiri Kosina
SUSE Labs