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From:   Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Date:   Wed, 2 Aug 2023 19:37:58 +0200
Message-ID: <CANiq72n3NMU5UgnGNB5B=y9QjpiHzw1turEbKCy5AEKccEUE0A@mail.gmail.com>
Subject: Re: [PATCH] rust: fix bindgen build error with UBSAN_BOUNDS_STRICT
To:     Andrea Righi <andrea.righi@canonical.com>
Cc:     Miguel Ojeda <ojeda@kernel.org>,
        Alex Gaynor <alex.gaynor@gmail.com>,
        Wedson Almeida Filho <wedsonaf@gmail.com>,
        Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>,
        =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>,
        Benno Lossin <benno.lossin@proton.me>,
        Kees Cook <keescook@chromium.org>,
        rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
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On Tue, Jul 11, 2023 at 9:19=E2=80=AFAM Andrea Righi <andrea.righi@canonica=
l.com> wrote:
>
> With commit 2d47c6956ab3 ("ubsan: Tighten UBSAN_BOUNDS on GCC") if
> CONFIG_UBSAN is enabled and gcc supports -fsanitize=3Dbounds-strict, we
> can trigger the following build error due to bindgen lacking support for
> this additional build option:
>
>    BINDGEN rust/bindings/bindings_generated.rs
>  error: unsupported argument 'bounds-strict' to option '-fsanitize=3D'
>
> Fix by adding -fsanitize=3Dbounds-strict to the list of skipped gcc flags
> for bindgen.
>
> Fixes: 2d47c6956ab3 ("ubsan: Tighten UBSAN_BOUNDS on GCC")
> Signed-off-by: Andrea Righi <andrea.righi@canonical.com>

Applied to `rust-fixes`, thanks!

Cheers,
Miguel