linux-kernel - Re: Potentially undesirable interactions between vfork() and time namespaces

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Message-ID: <202209110810.F7352A26@keescook>
Date:   Sun, 11 Sep 2022 08:12:35 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Christian Brauner <brauner@...nel.org>
Cc:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Andrei Vagin <avagin@...il.com>,
        Alexey Izbyshev <izbyshev@...ras.ru>,
        Florian Weimer <fweimer@...hat.com>,
        Dmitry Safonov <0x7f454c46@...il.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: Potentially undesirable interactions between vfork() and time
 namespaces

On Fri, Sep 09, 2022 at 09:51:58AM +0200, Christian Brauner wrote:
> As stated above the proposed exec behavior we currently clearly emulate
> in userspace. So that part is fine.

It's not clear to me yet what the right solution is from this thread so
far... what's needed for v6.0 release (since we're quickly running out
of release candidates)?

-- 
Kees Cook