From: Florian Fainelli <f.fainelli@gmail.com>
To: "Justin Stitt" <justinstitt@google.com>,
"Arınç ÜNAL" <arinc.unal@arinc9.com>,
"Daniel Golle" <daniel@makrotopia.org>,
"Landen Chao" <Landen.Chao@mediatek.com>,
"DENG Qingfang" <dqfext@gmail.com>,
"Sean Wang" <sean.wang@mediatek.com>,
"Andrew Lunn" <andrew@lunn.ch>,
"Vladimir Oltean" <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH] net: dsa: mt7530: replace deprecated strncpy with ethtool_sprintf
Date: Mon, 9 Oct 2023 13:33:32 -0700 [thread overview]
Message-ID: <5c25f59d-fcd5-404d-b2b4-e77b7ca0f512@gmail.com> (raw)
In-Reply-To: <20231009-strncpy-drivers-net-dsa-mt7530-c-v1-1-ec6677a6436a@google.com>
On 10/9/23 11:29, Justin Stitt wrote:
> `strncpy` is deprecated for use on NUL-terminated destination strings
> [1] and as such we should prefer more robust and less ambiguous string
> interfaces.
>
> ethtool_sprintf() is designed specifically for get_strings() usage.
> Let's replace strncpy in favor of this more robust and easier to
> understand interface.
>
> Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
> Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
> Link: https://github.com/KSPP/linux/issues/90
> Cc: linux-hardening@vger.kernel.org
> Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
--
Florian
WARNING: multiple messages have this Message-ID (diff)
From: Florian Fainelli <f.fainelli@gmail.com>
To: "Justin Stitt" <justinstitt@google.com>,
"Arınç ÜNAL" <arinc.unal@arinc9.com>,
"Daniel Golle" <daniel@makrotopia.org>,
"Landen Chao" <Landen.Chao@mediatek.com>,
"DENG Qingfang" <dqfext@gmail.com>,
"Sean Wang" <sean.wang@mediatek.com>,
"Andrew Lunn" <andrew@lunn.ch>,
"Vladimir Oltean" <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH] net: dsa: mt7530: replace deprecated strncpy with ethtool_sprintf
Date: Mon, 9 Oct 2023 13:33:32 -0700 [thread overview]
Message-ID: <5c25f59d-fcd5-404d-b2b4-e77b7ca0f512@gmail.com> (raw)
In-Reply-To: <20231009-strncpy-drivers-net-dsa-mt7530-c-v1-1-ec6677a6436a@google.com>
On 10/9/23 11:29, Justin Stitt wrote:
> `strncpy` is deprecated for use on NUL-terminated destination strings
> [1] and as such we should prefer more robust and less ambiguous string
> interfaces.
>
> ethtool_sprintf() is designed specifically for get_strings() usage.
> Let's replace strncpy in favor of this more robust and easier to
> understand interface.
>
> Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
> Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
> Link: https://github.com/KSPP/linux/issues/90
> Cc: linux-hardening@vger.kernel.org
> Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
--
Florian
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next prev parent reply other threads:[~2023-10-09 20:33 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-09 18:29 [PATCH] net: dsa: mt7530: replace deprecated strncpy with ethtool_sprintf Justin Stitt
2023-10-09 18:29 ` Justin Stitt
2023-10-09 18:31 ` Kees Cook
2023-10-09 18:31 ` Kees Cook
2023-10-09 18:31 ` Kees Cook
2023-10-09 18:31 ` Kees Cook
2023-10-09 18:56 ` Kees Cook
2023-10-09 18:56 ` Kees Cook
2023-10-09 18:34 ` Daniel Golle
2023-10-09 18:34 ` Daniel Golle
2023-10-09 20:33 ` Florian Fainelli [this message]
2023-10-09 20:33 ` Florian Fainelli
2023-10-10 9:05 ` AngeloGioacchino Del Regno
2023-10-10 9:05 ` AngeloGioacchino Del Regno
2023-10-12 0:30 ` patchwork-bot+netdevbpf
2023-10-12 0:30 ` patchwork-bot+netdevbpf
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