linux-kernel - Re: [PATCH 13/17] prmem: linked list: disable layout randomization

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Message-ID: <47d5706b-12b9-a94f-d668-8e9a659e33d0@gmail.com>
Date:   Mon, 29 Oct 2018 21:40:27 +0200
From:   Igor Stoppa <igor.stoppa@...il.com>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Kees Cook <keescook@...omium.org>,
        Matthew Wilcox <willy@...radead.org>,
        Dave Chinner <david@...morbit.com>,
        James Morris <jmorris@...ei.org>,
        Michal Hocko <mhocko@...nel.org>,
        kernel-hardening@...ts.openwall.com,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, igor.stoppa@...wei.com,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Jonathan Corbet <corbet@....net>,
        Laura Abbott <labbott@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Pekka Enberg <penberg@...nel.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Lihao Liang <lianglihao@...wei.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/17] prmem: linked list: disable layout randomization



On 24/10/2018 14:43, Alexey Dobriyan wrote:
> On Wed, Oct 24, 2018 at 12:35:00AM +0300, Igor Stoppa wrote:
>> Some of the data structures used in list management are composed by two
>> pointers. Since the kernel is now configured by default to randomize the
>> layout of data structures soleley composed by pointers,
> 
> Isn't this true for function pointers?

Yes, you are right.
Thanks for pointing this out.

I can drop this patch.

--
igor