linux-kernel - Re: [PATCH] ipc/mqueue.c: change __do_notify() to bypass check_kill

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Message-Id: <20200323191214.81a60c4ae1a59fdbd5c5d46d@linux-foundation.org>
Date:   Mon, 23 Mar 2020 19:12:14 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     ebiederm@...ssion.com (Eric W. Biederman)
Cc:     Oleg Nesterov <oleg@...hat.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        Manfred Spraul <manfred@...orfullife.com>,
        Markus Elfring <elfring@...rs.sourceforge.net>,
        Yoji <yoji.fujihar.min@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipc/mqueue.c: change __do_notify() to bypass
 check_kill_permission()

On Mon, 23 Mar 2020 11:47:12 -0500 ebiederm@...ssion.com (Eric W. Biederman) wrote:

> I really just want to be certain that things are fixed well enough that
> we don't risk a regressing again the next time someone touches the code.

That would be nice ;)

But as Oleg indicated, please let's have something minimal for -stable
backporting friendliness.  A more comprehensive change can then be
merged following the regular processes.