linux-kernel - Re: [PATCH] init, allow blacklisting of module

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: <87poridwsk.fsf@rasmusvillemoes.dk>
Date:	Wed, 15 Jun 2016 22:25:31 +0200
From:	Rasmus Villemoes <linux@...musvillemoes.dk>
To:	Prarit Bhargava <prarit@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Yang Shi <yang.shi@...aro.org>, Ingo Molnar <mingo@...nel.org>,
	Mel Gorman <mgorman@...e.de>,
	Kees Cook <keescook@...omium.org>,
	Yaowei Bai <baiyaowei@...s.chinamobile.com>,
	Andrey Ryabinin <aryabinin@...tuozzo.com>
Subject: Re: [PATCH] init, allow blacklisting of module_init functions

On Wed, Jun 15 2016, Prarit Bhargava <prarit@...hat.com> wrote:

> At some point I was 100% sure this worked.  I do remember testing it against
> just a loadable module and had positive testing results.

I think the current %ps/%pf behaviour was introduced in 4796dd200db9
(way back in 2012). 

> In any case this is a trivial patch to add the functionality...

Which I still think is broken and needlessly complicated. Please read my
first reply again.

Rasmus