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Date:   Fri, 25 Jun 2021 07:22:01 +0100
From:   Guillaume Tucker <>
To:     Kees Cook <>,
        Greg Kroah-Hartman <>
Cc:     David Laight <David.Laight@...LAB.COM>,
        Arnd Bergmann <>,,,,,
        Collabora Kernel ML <>
Subject: Re: [PATCH 0/9] LKDTM: Improvements for

On 23/06/2021 21:39, Kees Cook wrote:
> This is a bunch of LKDTM clean-ups to improve and expand testing,
> given feedback from testing at Adds a few new tests as
> well.
> (If a pull-request is preferred, please let me know.)
> Thanks!
> -Kees
> Kees Cook (9):
>   selftests/lkdtm: Avoid needing explicit sub-shell
>   selftests/lkdtm: Fix expected text for CR4 pinning
>   selftests/lkdtm: Fix expected text for free poison
>   lkdtm/heap: Add vmalloc linear overflow test
>   lkdtm: Enable DOUBLE_FAULT on all architectures
>   lkdtm: Add CONFIG hints in errors where possible
>   selftests/lkdtm: Enable various testable CONFIGs
>   lkdtm/heap: Add init_on_alloc tests

Tested-by: " bot" <>

This whole series was tested on top of next-20210623, here are a
couple of sample results from KernelCI staging:

Clang 13 on AMD x86_64:

GCC 8 on Intel x86_64:

And this is where the series was applied:


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