linux-hardening - Re: [PATCH] [RFC] signal: Add KUnit tests

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Message-ID: <20230817161718.GA4121@redhat.com>
Date:   Thu, 17 Aug 2023 18:17:18 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Brendan Higgins <brendan.higgins@...ux.dev>,
        David Gow <davidgow@...gle.com>,
        Petr Skocik <pskocik@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jens Axboe <axboe@...nel.dk>, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com,
        Frederic Weisbecker <frederic@...nel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Mike Christie <michael.christie@...cle.com>,
        Marco Elver <elver@...gle.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        "haifeng.xu" <haifeng.xu@...pee.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] [RFC] signal: Add KUnit tests

On 08/16, Eric W. Biederman wrote:
>
> Arguably we can skip this as well.  There are only 3 uses of
> do_each_thread (pivot_root, SAK, and ia64 backtrace) and they all should
> be changed to be for_each_process_thread.

Hmm. I thought that do_each_thread() was already killed ...
Let me send the trivial patch.

We also need to kill (or rework) while_each_thread() and next_thread(),
I'll try to do this tomorrow.

Oleg.