linux-kernel - Re: [PATCH 1/5] iio: proximity: hx9023s: fix out-of-bounds access when copying firmware

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Message-ID: <CA+NOmzKZy=8WhsN6w3B195pp10JunZA7ZVjRmwD21Q1CeOBYvw@mail.gmail.com>
Date: Wed, 11 Feb 2026 00:35:19 +0800
From: Yasin Lee <yasin.lee.x@...il.com>
To: Andy Shevchenko <andriy.shevchenko@...el.com>
Cc: Jonathan Cameron <jic23@...nel.org>, David Lechner <dlechner@...libre.com>, 
	Nuno Sá <nuno.sa@...log.com>, 
	Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, yasin.lee.x@...look.com, 
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org
Subject: Re: [PATCH 1/5] iio: proximity: hx9023s: fix out-of-bounds access
 when copying firmware

On Mon, Feb 9, 2026 at 4:45 PM Andy Shevchenko
<andriy.shevchenko@...el.com> wrote:
>
> On Mon, Feb 09, 2026 at 11:37:02AM +0800, Yasin Lee wrote:
> > Initialize fw_size before copying firmware data into the flexible
> > array member to match the __counted_by() annotation. This fixes a
> > potential out-of-bounds access that could lead to a kernel crash.
>
> Fixes tag?
>

This is a proactive fix for an original implementation issue I found
as maintainer.

> --
> With Best Regards,
> Andy Shevchenko
>
>