linux-kernel - Re: [PATCH] lib/test_lockup: test module to generate lockups

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]

Date:   Mon, 10 Feb 2020 14:41:01 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
Cc:     linux-kernel@...r.kernel.org, Sasha Levin <sashal@...nel.org>,
        Petr Mladek <pmladek@...e.com>,
        Kees Cook <keescook@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Dmitry Monakhov <dmtrmonakhov@...dex-team.ru>
Subject: Re: [PATCH] lib/test_lockup: test module to generate lockups

On Mon, 10 Feb 2020 12:56:31 +0300 Konstantin Khlebnikov <khlebnikov@...dex-team.ru> wrote:

> CONFIG_TEST_LOCKUP=m adds module "test_lockup" that helps to make sure
> that watchdogs and lockup detectors are working properly.

Now we'll get test robot reports "hey this makes my kernel lock up" ;)

Is there any way in which we can close the loop here?  Add a
tools/testing/selftests script which loads the module, attempts to
trigger a lockup and then checks whether it happened as expected? 
Sounds tricky.