linux-kernel - Re: [uml-devel] [PATCH] um: Add mark_rodata

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <7A5DDA50-2F78-4DF2-9D0B-FC6E8A49D6F8@m3y3r.de>
Date:   Mon, 22 May 2017 20:14:26 +0200
From:   Thomas Meyer <thomas@...3r.de>
To:     Richard Weinberger <richard.weinberger@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        user-mode-linux-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: [uml-devel] [PATCH] um: Add mark_rodata_ro support.


> Am 21.05.2017 um 23:28 schrieb Richard Weinberger <richard.weinberger@...il.com>:
> 
> Thomas,
> 
>> On Thu, May 18, 2017 at 12:11 AM, Thomas Meyer <thomas@...3r.de> wrote:
>> This is actually a no-op as all read-only should be read-only in the ELF.
> 
> What problem does this patch fix? Or what is the purpose?

Hi,

It's purely cosmetic; to get rid of the boot message: "This architecture does not have kernel memory protection." in init/main.c

Which isn't true for UML as all read only stuff should end up in a read only ELF section. Shouldn't it?

> 
> -- 
> Thanks,
> //richard
> 
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> User-mode-linux-devel mailing list
> User-mode-linux-devel@...ts.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

Download attachment "smime.p7s" of type "application/pkcs7-signature" (5334 bytes)