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NixOS Reproducible Builds

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30 Nov 2024
@p14:matrix.orgp14And confirmed that it produces the same executable as output.12:50:34
@p14:matrix.orgp14Is enabling ipv6 in rsync a change to target staging, or master?12:51:05
@raboof:matrix.orgraboofdepends on the number of rebuilds, I'd target master and wait for ofborg to tell you 12:52:56
@p14:matrix.orgp14Fix: https://github.com/NixOS/nixpkgs/pull/360414 I'll leave it as draft until the checkers are happy.12:58:38
@raboof:matrix.orgraboofofborg confirms it should target staging :)14:05:07
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@statecode47:unredacted.org@statecode47:unredacted.org

Does anyone here know how to remove the signature from ARM64 Linux kernel images so that two kernel images (official and reproduced) can be compared by diffoscope without the signatures differing?

Sad that I can't find anything regarding removing signatures from ARM64 Linux kernel images, and they are probably nothing like the x86_64 Linux kernel EFI images. I am not familiar with ARM64 Linux kernels at all.

Its file type is Linux kernel ARM64 boot executable Image, little-endian, 4K pages.

15:42:10
@msanft:matrix.orgMoritz SanftModule signatures, or which signatures do these have exactly?15:43:18
@statecode47:unredacted.org@statecode47:unredacted.org
In reply to @msanft:matrix.org
Module signatures, or which signatures do these have exactly?

For the *.ko modules, I successfully removed their signatures with strip, since the modules are simply ELF.

But the ARM64 kernel boot Image itself is more challenging and I really don't know how to remove the signatures before being able to compare the images.

15:45:53
@msanft:matrix.orgMoritz Sanft
In reply to@statecode47:unredacted.org

For the *.ko modules, I successfully removed their signatures with strip, since the modules are simply ELF.

But the ARM64 kernel boot Image itself is more challenging and I really don't know how to remove the signatures before being able to compare the images.

You can also specify CONFIG_MODULE_SIG=n for that
15:46:31

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