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Re: Looking for feedback on CONFIG_MODULE_HASHES for Linux

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CCing debian-kernel and one of the Debian kernel team members

On Thu, Nov 13, 2025, at 9:10 PM, Thomas Weißschuh via rb-general wrote:
> Hi everyone,
>
> I am the author of the CONFIG_MODULE_HASHES patchset [0] for the Linux kernel
> which aims to enable reproducible kernel packages for Linux distributions.
> My goal is to reignite development and continue with the upstream process.
> To have a better base to argue with I'd like to get some confirmation that
> distributions have looked at the patches and do intent to adapt this scheme when
> it is available in the mainline kernel. That should help me get some leverage
> with the upstream maintainers.
>
> The current form of the patches can be found at [1], they are only slightly
> adapted from the previous submission to LKML. Remaining open topics before the
> next submission are proper IMA support and stripping of modules.
> Future changes may introduce more hash algorithms and performance improvements,
> but these should not be relvant for now.
>
> So if you are packaging Linux for your distribution, have looked at my 
> patches
> and are eager to use them, please let me know. My plan is to talk with 
> the
> upstream maintainers at the upcoming Linux Plumbers Conference on 11th 
> of December.

Hi Thomas, Hi Bastian,

Given the recent discussion on IRC about this, I figured this might be
the easiest way to get the ball rolling on potentially getting this patch
series endorsed/.. by the Debian kernel team - or at least getting a
written expression of interest or further discussion :)

Thanks Thomas for continuing to work on this!

Cheers,
Fabian

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Re: Looking for feedback on CONFIG_MODULE_HASHES for Linux Fabian Grünbichler <debian@fabian.gruenbichler.email> - 2025-11-18 19:00 +0100
  Re: Looking for feedback on CONFIG_MODULE_HASHES for Linux Bastian Blank <waldi@debian.org> - 2025-11-22 17:00 +0100

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