linux-kernel - Re: [PATCH v1 1/1] gpiolib: cdev: Annotate struct linereq with __counted

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Message-ID: <ZREuqs2LkkF3jqD8@smile.fi.intel.com>
Date:   Mon, 25 Sep 2023 09:54:34 +0300
From:   Andy Shevchenko <andy@...nel.org>
To:     Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>
Subject: Re: [PATCH v1 1/1] gpiolib: cdev: Annotate struct linereq with
 __counted_by()

On Mon, Sep 18, 2023 at 12:15:53PM +0300, Andy Shevchenko 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).

Kees' patch is better, please ignore this one.

-- 
With Best Regards,
Andy Shevchenko