linux-kernel - Re: [REVIEW][PATCH v2] mm: Add a user_ns owner to mm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 28 Oct 2016 00:39:18 +0300
From:   Cyrill Gorcunov <gorcunov@...il.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Andrey Vagin <avagin@...tuozzo.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Pavel Emelyanov <xemul@...tuozzo.com>,
        Linux Containers <containers@...ts.linux-foundation.org>,
        Jann Horn <jann@...jh.net>
Subject: Re: [REVIEW][PATCH v2] mm: Add a user_ns owner to mm_struct and fix
 ptrace permission checks

On Thu, Oct 27, 2016 at 10:54:34AM -0500, Eric W. Biederman wrote:
> 
> 
> I can't imagine either of these changes making a practical difference
> to anyone but I am calling them out in case someone can.
> 
>  include/linux/mm_types.h |  1 +
>  kernel/fork.c            |  9 ++++++---
>  kernel/ptrace.c          | 26 +++++++++++---------------
>  mm/init-mm.c             |  2 ++
>  4 files changed, 20 insertions(+), 18 deletions(-)

Thanks a huge, Eric! And really sorry for delay in response,
I managed to miss this quite important mail for me in mail
storm. Gonna test it and will write you the results. Overall looks
great, but better be sure and run the tests.

Reviewed-by: Cyrill Gorcunov <gorcunov@...nvz.org>