linux-kernel - Re: [PATCH] security: CONFIG_HARDENED_USERCOPY does not need to select BUG

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Message-ID: <CAGXu5jLKKjf8BOj++4sgayU1N7Q9vMewyJX8o6_JkboPm5qEag@mail.gmail.com>
Date:   Mon, 2 Jul 2018 13:46:17 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Kamal Mostafa <kamal@...onical.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        "open list:SECURITY SUBSYSTEM" 
        <linux-security-module@...r.kernel.org>
Subject: Re: [PATCH] security: CONFIG_HARDENED_USERCOPY does not need to
 select BUG

Hi Kamal,

On Mon, Jul 2, 2018 at 1:14 PM, Kamal Mostafa <kamal@...onical.com> wrote:
> On Fri, Jun 29, 2018 at 01:27:08PM -0700, Kees Cook wrote:
>> Do the lkdtm tests for usercopy correctly halt the kernel thread if
>> CONFIG_BUG is removed?
>
> Yes, they do...

Perfect, thanks for double-checking! I'll apply this to my tree.

-Kees

-- 
Kees Cook
Pixel Security