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Date:   Mon, 28 Feb 2022 23:21:31 -0500
From:   Steven Rostedt <>
To:     Daniel Latypov <>
Cc:     Kees Cook <>,
        Eric Biederman <>,
        David Gow <>,
        Alexey Dobriyan <>,
        Magnus GroƟ <>,,,,,
Subject: Re: [PATCH] binfmt_elf: Introduce KUnit test

On Mon, 28 Feb 2022 17:48:27 -0800
Daniel Latypov <> wrote:

> He also prototyped a more intrusive alternative to using ftrace and
> kernel livepatch since they don't work on all arches, like UML.

Perhaps instead of working on a intrusive alternative on archs that do
not support live kernel patching, implement live kernel patching on
those archs! ;-)

It's probably the same amount of work. Well, really, you only need to
implement the klp_arch_set_pc(fregs, new_function); part.

-- Steve

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