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Date:   Thu, 24 Feb 2022 12:45:17 +0300
From:   Alexey Dobriyan <>
To:     Kees Cook <>
Cc:     Eric Biederman <>,
        David Gow <>,
        Magnus GroƟ <>,,,,,
Subject: Re: [PATCH] binfmt_elf: Introduce KUnit test

On Wed, Feb 23, 2022 at 09:43:32PM -0800, Kees Cook wrote:
> Adds simple KUnit test for some binfmt_elf internals: specifically a
> regression test for the problem fixed by commit 8904d9cd90ee ("ELF:
> fix overflow in total mapping size calculation").

This can be tested by small 2 segment program run from userspace.
Make 2 segments, swap them, and see executable rejected because mmap
gets too big an area.


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