linux-kernel - Re: [PATCH 6/9] Input: IMS: fix printf string overflow

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Date: Thu, 28 Mar 2024 13:29:22 -0700
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: Arnd Bergmann <arnd@...nel.org>
Cc: llvm@...ts.linux.dev, Nathan Chancellor <nathan@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	ye xingchen <ye.xingchen@....com.cn>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/9] Input: IMS: fix printf string overflow

On Tue, Mar 26, 2024 at 11:38:05PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> clang warns about a string overflow in this driver
> 
> drivers/input/misc/ims-pcu.c:1802:2: error: 'snprintf' will always be truncated; specified size is 10, but format string expands to at least 12 [-Werror,-Wformat-truncation]
> drivers/input/misc/ims-pcu.c:1814:2: error: 'snprintf' will always be truncated; specified size is 10, but format string expands to at least 12 [-Werror,-Wformat-truncation]
> 
> Make the buffer a little longer to ensure it always fits.
> 
> Fixes: 628329d52474 ("Input: add IMS Passenger Control Unit driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied, thank you.

-- 
Dmitry