linux-kernel - Re: [PATCH] i40e: Annotate struct i40e_qvlist_info with __counted

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Message-Id: <170138157431.3648624.12161951188288893323.b4-ty@chromium.org>
Date:   Thu, 30 Nov 2023 13:59:37 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Tony Nguyen <anthony.l.nguyen@...el.com>,
        Kees Cook <keescook@...omium.org>
Cc:     Shiraz Saleem <shiraz.saleem@...el.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Gurucharan G <gurucharanx.g@...el.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH] i40e: Annotate struct i40e_qvlist_info with __counted_by

On Tue, 03 Oct 2023 16:18:38 -0700, Kees Cook wrote:
> Prepare for the coming implementation by GCC and Clang of the __counted_by
> attribute. Flexible array members annotated with __counted_by can have
> their accesses bounds-checked at run-time via CONFIG_UBSAN_BOUNDS (for
> array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
> functions).
> 
> As found with Coccinelle[1], add __counted_by for struct i40e_qvlist_info.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] i40e: Annotate struct i40e_qvlist_info with __counted_by
      https://git.kernel.org/kees/c/da2e08d4630a

Take care,

-- 
Kees Cook