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Message-ID: <16ef84059b3adaafd3bc2d43ba9c1ccd.paul@paul-moore.com>
Date:   Tue, 12 Sep 2023 16:09:31 -0400
From:   Paul Moore <paul@...l-moore.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Eric Paris <eparis@...hat.com>, audit@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] audit: Annotate struct audit_chunk with __counted_by

On Aug 17, 2023 Paul Moore <paul@...l-moore.com> 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 checking 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 audit_chunk.
> 
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
> 
> Cc: Paul Moore <paul@...l-moore.com>
> Cc: Eric Paris <eparis@...hat.com>
> Cc: audit@...r.kernel.org
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---
>  kernel/audit_tree.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Merged into audit/next, thanks.

--
paul-moore.com

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