From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Hangyu Hua <hbh25y@gmail.com>
Cc: justin.chen@broadcom.com, florian.fainelli@broadcom.com,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, mw@semihalf.com, nbd@nbd.name,
john@phrozen.org, sean.wang@mediatek.com,
Mark-MC.Lee@mediatek.com, lorenzo@kernel.org,
matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com,
maxime.chevallier@bootlin.com, nelson.chang@mediatek.com,
bcm-kernel-feedback-list@broadcom.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v2 2/3] net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc()
Date: Fri, 8 Sep 2023 09:39:46 +0100 [thread overview]
Message-ID: <ZPrd0madH5Z+Ptve@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230908061950.20287-3-hbh25y@gmail.com>
On Fri, Sep 08, 2023 at 02:19:49PM +0800, Hangyu Hua wrote:
> rules is allocated in ethtool_get_rxnfc and the size is determined by
> rule_cnt from user space. So rule_cnt needs to be check before using
> rules to avoid OOB writing or NULL pointer dereference.
>
> Fixes: 90b509b39ac9 ("net: mvpp2: cls: Add Classification offload support")
> Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Thanks!
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Hangyu Hua <hbh25y@gmail.com>
Cc: justin.chen@broadcom.com, florian.fainelli@broadcom.com,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, mw@semihalf.com, nbd@nbd.name,
john@phrozen.org, sean.wang@mediatek.com,
Mark-MC.Lee@mediatek.com, lorenzo@kernel.org,
matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com,
maxime.chevallier@bootlin.com, nelson.chang@mediatek.com,
bcm-kernel-feedback-list@broadcom.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v2 2/3] net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc()
Date: Fri, 8 Sep 2023 09:39:46 +0100 [thread overview]
Message-ID: <ZPrd0madH5Z+Ptve@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230908061950.20287-3-hbh25y@gmail.com>
On Fri, Sep 08, 2023 at 02:19:49PM +0800, Hangyu Hua wrote:
> rules is allocated in ethtool_get_rxnfc and the size is determined by
> rule_cnt from user space. So rule_cnt needs to be check before using
> rules to avoid OOB writing or NULL pointer dereference.
>
> Fixes: 90b509b39ac9 ("net: mvpp2: cls: Add Classification offload support")
> Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Thanks!
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
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next prev parent reply other threads:[~2023-09-08 8:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-08 6:19 [PATCH v2 0/3] Fix possible OOB write when using rule_buf Hangyu Hua
2023-09-08 6:19 ` Hangyu Hua
2023-09-08 6:19 ` [PATCH v2 1/3] net: ethernet: bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active() Hangyu Hua
2023-09-08 6:19 ` Hangyu Hua
2023-09-10 14:46 ` Simon Horman
2023-09-10 14:46 ` Simon Horman
2023-09-08 6:19 ` [PATCH v2 2/3] net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc() Hangyu Hua
2023-09-08 6:19 ` Hangyu Hua
2023-09-08 7:11 ` Marcin Wojtas
2023-09-08 7:11 ` Marcin Wojtas
2023-09-08 8:39 ` Russell King (Oracle) [this message]
2023-09-08 8:39 ` Russell King (Oracle)
2023-09-08 6:19 ` [PATCH v2 3/3] net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_hwlro_get_fdir_all() Hangyu Hua
2023-09-08 6:19 ` Hangyu Hua
2023-09-10 14:47 ` Simon Horman
2023-09-10 14:47 ` Simon Horman
2023-09-11 7:30 ` [PATCH v2 0/3] Fix possible OOB write when using rule_buf patchwork-bot+netdevbpf
2023-09-11 7:30 ` patchwork-bot+netdevbpf
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