From: Kees Cook <kees@kernel.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>,
"Paul Moore" <paul@paul-moore.com>,
"James Morris" <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun@kernel.org>, "Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Mark Brown" <broonie@kernel.org>
Cc: Kees Cook <kees@kernel.org>,
linux-hardening@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org
Subject: Re: [PATCH v4] hardening: Default randstruct off with rust for better allmodconfig support
Date: Tue, 1 Sep 2026 16:06:32 -0700 [thread overview]
Message-ID: <178830398996.1189233.9472554390731309504.b4-ty@kernel.org> (raw)
In-Reply-To: <20260901-rust-reverse-randstruct-dep-v4-1-3bfa19efe1fa@kernel.org>
On Tue, 01 Sep 2026 23:50:02 +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-linus/hardening, thanks!
[1/1] hardening: Default randstruct off with rust for better allmodconfig support
https://git.kernel.org/kees/c/2625480a1bf7
Take care,
--
Kees Cook
prev parent reply other threads:[~2026-09-01 23:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-01 22:50 [PATCH v4] hardening: Default randstruct off with rust for better allmodconfig support Mark Brown
2026-09-01 22:59 ` Miguel Ojeda
2026-09-01 23:07 ` Kees Cook
2026-09-01 23:07 ` Mark Brown
2026-09-01 23:06 ` Kees Cook [this message]
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