From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Kees Cook <keescook@chromium.org>
Cc: linux-input@vger.kernel.org,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Tom Rix <trix@redhat.com>,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH] input: Annotate struct evdev_client with __counted_by
Date: Sat, 30 Sep 2023 09:36:12 -0700 [thread overview]
Message-ID: <ZRhOfEiwNbiGHzft@google.com> (raw)
In-Reply-To: <20230922175027.work.563-kees@kernel.org>
On Fri, Sep 22, 2023 at 10:50:28AM -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 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 evdev_client.
>
> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
>
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: linux-input@vger.kernel.org
> Signed-off-by: Kees Cook <keescook@chromium.org>
Applied, thank you.
--
Dmitry
prev parent reply other threads:[~2023-09-30 16:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-22 17:50 [PATCH] input: Annotate struct evdev_client with __counted_by Kees Cook
2023-09-23 16:29 ` Gustavo A. R. Silva
2023-09-30 16:36 ` Dmitry Torokhov [this message]
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