linux-kernel - Re: [PATCH v3 1/2] rust: lockdep: Remove support for dynamically allocated LockClassKeys

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Message-ID: <a21084cc-84d7-473f-846b-9ca735cd8e34@proton.me>
Date: Fri, 07 Feb 2025 00:23:21 +0000
From: Benno Lossin <benno.lossin@...ton.me>
To: Mitchell Levy <levymitchell0@...il.com>, Boqun Feng <boqun.feng@...il.com>, Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, Gary Guo <gary@...yguo.net>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, Andreas Hindborg <a.hindborg@...nel.org>
Cc: linux-block@...r.kernel.org, rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v3 1/2] rust: lockdep: Remove support for dynamically allocated LockClassKeys

On 05.02.25 20:59, Mitchell Levy wrote:
> Currently, dynamically allocated LockCLassKeys can be used from the Rust
> side without having them registered. This is a soundness issue, so
> remove them.
> 
> Suggested-by: Alice Ryhl <aliceryhl@...gle.com>
> Link: https://lore.kernel.org/rust-for-linux/20240815074519.2684107-3-nmi@metaspace.dk/
> Cc: stable@...r.kernel.org
> Signed-off-by: Mitchell Levy <levymitchell0@...il.com>
> ---
>  rust/kernel/sync.rs | 16 ++++------------
>  1 file changed, 4 insertions(+), 12 deletions(-)

Reviewed-by: Benno Lossin <benno.lossin@...ton.me>