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Message-ID: <20250315183125.40f9c566@jic23-huawei>
Date: Sat, 15 Mar 2025 18:31:25 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: Kees Cook <kees@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>,
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH] iio: magnetometer: ak8974: Add __nonstring annotations
 for unterminated strings

On Fri, 14 Mar 2025 11:31:09 +0100
Linus Walleij <linus.walleij@...aro.org> wrote:

> On Mon, Mar 10, 2025 at 11:23 PM Kees Cook <kees@...nel.org> wrote:
> 
> > When a character array without a terminating NUL character has a static
> > initializer, GCC 15's -Wunterminated-string-initialization will only
> > warn if the array lacks the "nonstring" attribute[1]. Mark the arrays
> > with __nonstring to and correctly identify the char array as "not a C
> > string" and thereby eliminate the warning.
> >
> > Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117178 [1]
> > Cc: Linus Walleij <linus.walleij@...aro.org>
> > Cc: Jonathan Cameron <jic23@...nel.org>
> > Cc: Lars-Peter Clausen <lars@...afoo.de>
> > Cc: linux-iio@...r.kernel.org
> > Signed-off-by: Kees Cook <kees@...nel.org>  
> 
> Fair enough,
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> 
Kees,

I've currently queued this for next cycle as it doesn't feel like a fix
as such and I've already sent my pull request for the merge window.

Is it worth rushing it in, or is a fully cycle delay an issue? (6.16)

If slow is fine, applied to the testing branch of iio.git which gets
0-day bot exposure.

Jonathan

> Yours,
> Linus Walleij


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