Re: [PATCH v3 1/2] rust: kasan: KASAN+RUST requires clang

From: Miguel Ojeda

Date: Wed Apr 08 2026 - 04:41:15 EST


On Wed, Apr 8, 2026 at 10:32 AM Alice Ryhl <aliceryhl@xxxxxxxxxx> wrote:
>
> Kernel KASAN involves passing various llvm/gcc specific arguments to
> the C and Rust compiler. Since these arguments differ between llvm and
> gcc, it's not safe to mix an llvm-based rustc with a gcc build when
> kasan is enabled.
>
> Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>

We probably want:

Cc: stable@xxxxxxxxxxxxxxx
Fixes: e3117404b411 ("kbuild: rust: Enable KASAN support")

Cheers,
Miguel