From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C87B2202963; Tue, 1 Apr 2025 12:52:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743511938; cv=none; b=IfGDpF/5XljF8FD0iYjL7YiAdhe/Y3WOQFB208DaEMXiOEPHH4oNDn4Cy2JT8Pwo//eKsLYNQepd2pPn0HMya2pWME3hj0Ph/ly22Pl9BHZtTqFjmHExJTYACWKzH1eB+O4LJ1Ccfyd8rRuG6n/S3QIAGa2m8234lyljlLqwuJM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743511938; c=relaxed/simple; bh=1ckxm7Ec57Xk3ca38eBffq1ipG5wt6isqvw2gvKYhtM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JEZDZLzf9s4gp0FEcVKaQPCT5Zu0Sn3NN2YFUsDMzjI7A2Kg7pP0jvPuqu+g9NVfCY2G24AwJbCTzAjXASrA0+zSlW/WoJp+8nAkMgqKL8j1bUximR7R1YvgFS6eBds3ZJiru+2wos6XjwBLeCnYigp6+hWv2oQVS89HItfxI2E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qUvOBx/R; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qUvOBx/R" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63430C4CEE5; Tue, 1 Apr 2025 12:52:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743511935; bh=1ckxm7Ec57Xk3ca38eBffq1ipG5wt6isqvw2gvKYhtM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=qUvOBx/RkkeryRj/E6ajB4JmMx0WcCy/MrIAeOAZjRK4270t40Xm0rTzXXAfk2j6M iUCzyGKzfhHICDzIq6z8LPpwc98UiUmWX70G7ZwvwXtpM67kR3owG8bWRZMjbrBmlM K1F71HymLsU9pzbClwRS3GLd0u6qY8wY+CNASbk5TOP1Lzu0VsK54/tGDI1c4AefiE gVdYi2yXN4oFr/9lW1ADMXJzaNBfN+X50cpHTw1kIKGuRNQBjYuEsx62XZXCLM02Zd mc01GxFXJNEVmoyX1S0INLuflDV6ylxcmtGRNtrZcmVVkO3PTNT0G6doeUns7gj6N1 H1l54X0/EB++Q== Message-ID: <017349ed-d1fd-418e-90ca-a7113cafd025@kernel.org> Date: Tue, 1 Apr 2025 14:52:06 +0200 Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] tty: serial: samsung: Fix potential buffer overflow in clkname To: shao.mingyin@zte.com.cn, alim.akhtar@samsung.com Cc: yang.yang29@zte.com.cn, xu.xin16@zte.com.cn, ye.xingchen@zte.com.cn, gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, jiang.peng9@zte.com.cn References: <20250401192420169tLRsDis5R0RrVmdFnFuS9@zte.com.cn> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 01/04/2025 13:24, shao.mingyin@zte.com.cn wrote: > From: Peng Jiang > > Compiling the kernel with gcc12.3 W=1 produces a warning: > /drivers/tty/serial/samsung_tty.c: In function > 's3c24xx_serial_set_termios': > > /drivers/tty/serial/samsung_tty.c:1392:48: > warning: '%d' directive writing between 1 and 3 bytes > into a region of size 2 [-Wformat-overflow=] > 1392 | sprintf(clkname, "clk_uart_baud%d", cnt); Same comments as with other patches, not possible, IMO. Plus this patch looks actually worse - commit msg is hardly readable. Best regards, Krzysztof