linux-kernel - Re: [PATCH] drivers: gpio: gpio-ljca: Initialize num before accessing item in ljca_gpio

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Message-ID: <173340064220.41307.8479220444337077350.b4-ty@linaro.org>
Date: Thu,  5 Dec 2024 13:10:45 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Wentong Wu <wentong.wu@...el.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Kees Cook <kees@...nel.org>,
	"Gustavo A . R . Silva" <gustavoars@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	Haoyu Li <lihaoyu499@...il.com>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	stable@...r.kernel.org
Subject: Re: [PATCH] drivers: gpio: gpio-ljca: Initialize num before accessing item in ljca_gpio_config

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>


On Tue, 03 Dec 2024 22:14:51 +0800, Haoyu Li wrote:
> With the new __counted_by annocation in ljca_gpio_packet, the "num"
> struct member must be set before accessing the "item" array. Failing to
> do so will trigger a runtime warning when enabling CONFIG_UBSAN_BOUNDS
> and CONFIG_FORTIFY_SOURCE.
> 
> Fixes: 1034cc423f1b ("gpio: update Intel LJCA USB GPIO driver")
> 
> [...]

Applied, thanks!

[1/1] drivers: gpio: gpio-ljca: Initialize num before accessing item in ljca_gpio_config
      commit: 963deccd17d4e538a8bafb1617803746efe910ef

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>