Re: [PATCH RESEND v3] hardening: Default randstruct off with rust for better allmodconfig support

From: Kees Cook

Date: Fri Aug 21 2026 - 13:41:35 EST


On Wed, 05 Aug 2026 18:02:43 +0100, Mark Brown wrote:
> Currently randstruct does not support rust so we have Kconfig dependencies
> which prevent rust being enabled when randstruct is. Unfortunately this
> prevents rust being enabled in allmodconfig, our standard coverage build.
> randstruct gets turned on by default, then the dependency on !RANDSTRUCT
> causes rust to get disabled.
>
> Work around this by disabling randstruct by default if we have a usable
> rust toolchain and rust support for the architecture, circular
> dependencies prevent us directly depending on !RUST. This means we might
> end up with a configuration that disables both rust and randstruct but
> hopefully it's more likely go give the expected result.
>
> [...]

Applied to for-next/hardening, thanks!

[1/1] hardening: Default randstruct off with rust for better allmodconfig support
https://git.kernel.org/kees/c/3844a38c9c4a

Take care,

--
Kees Cook