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 670F71D12ED; Wed, 30 Oct 2024 05:57:33 +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=1730267853; cv=none; b=cqqGHx17V/MiwcKiJ53HRBzf8V1BA9OMlJsSJO7fHmfUgAl7goFzANr2bw4uGQ/Ul+dogNvOuiihUczbtYMqzonrvbAh8aL1yfdMkShAU7AAO2mnC6R7ImKGpqnStO+KUHce7LcBSA57/MNlQ+nE36xRnoqjTMSCi5mZRB9z4r8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730267853; c=relaxed/simple; bh=/vdOwP08WGsSaIG3gWjf+802StNkl9fxf83n+4ZT4Nc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ArUnmjybps9v7DJcMpkL2xWBcqlUAuyeTn+X2H2Ya/cS1Jusst06wQLdeLJop8Wramc/zOsgF6RfOGdrYFD6EhLN3JLf/d1rNpA/ZeOI176lLAWmvViLQGI4hvo+sWcsLqh7pOYyrRmpee7LCpawAki1BlhVRwY2XcU779VKtvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eLFKmBxr; 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="eLFKmBxr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0342C4CEE5; Wed, 30 Oct 2024 05:57:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730267853; bh=/vdOwP08WGsSaIG3gWjf+802StNkl9fxf83n+4ZT4Nc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=eLFKmBxrMSFx92LOIX++Bp0Ff+5ArHQ8uYur7vjGH26n9Mlw5qwMtcz7tcJ4TFhcr bFa6acA9Ygg44O33gs28FLEg9HM0ViPB7byFQypNCzguVpT+SaEKKeG9snx8/YGzz5 aIkjqdcLZprKBfgjaxgfp6l7b9H2KfyU8peW6AwbFQNnIs4X1Xy5j7lSvazx77vgcZ d7gIBo9/qPIxDeQ7e1OvbOZTYtebjsCzAGXDUyNdobnwsRGzJB7jpGEVWXOYXJI2RG y/ljCz+y4BMAKfXa7mM+WBbSokjPsvip2jc/Lrf9O5HjDW9a7ZjJ58EgIgFB7HEGkj 3JKHD15RZZzbQ== Message-ID: <8e68e02a-2c58-485c-a13e-a4b52616e63e@kernel.org> Date: Wed, 30 Oct 2024 06:57:28 +0100 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] nfc: s3fwrn5: Prefer strscpy() over strcpy() To: Abdul Rahim Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <20241029221641.15726-1-abdul.rahim.ref@myyahoo.com> <20241029221641.15726-1-abdul.rahim@myyahoo.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 29/10/2024 23:16, Abdul Rahim wrote: > strcpy() performs no bounds checking on the destination buffer. This > could result in linear overflows beyond the end of the buffer, leading > to all kinds of misbehaviors [1] > > this fixes checkpatch warning: > WARNING: Prefer strscpy over strcpy You should explain why it is safe to omit the destination buffer size. Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof