linux-kernel - Re: [PATCH v3 0/2] livepatch: Allocate and free shadow variables more safely

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] [day] [month] [year] [list]

Message-ID: <nycvar.YFH.7.76.1804171343520.28129@cbobk.fhfr.pm>
Date:   Tue, 17 Apr 2018 13:44:28 +0200 (CEST)
From:   Jiri Kosina <jikos@...nel.org>
To:     Petr Mladek <pmladek@...e.com>
cc:     Josh Poimboeuf <jpoimboe@...hat.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Jessica Yu <jeyu@...nel.org>, Nicolai Stange <nstange@...e.de>,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/2] livepatch: Allocate and free shadow variables
 more safely

On Mon, 16 Apr 2018, Petr Mladek wrote:

> Nikolai started to use shadow variables and found that list_head
> is not initialized correctly using the existing API.
> 
> The problem is that LIST_HEAD_INIT() set pointers to itself.
> klp_shadow_alloc() then copies these pointers to another location.

Queued in for-4.17/upstream-fixes. Thanks,

-- 
Jiri Kosina
SUSE Labs