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From: Florian Fainelli <f.fainelli@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	netdev@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH net] net: dsa: b53: fix an off by one in checking "vlan->vid"
Date: Tue, 19 Jan 2021 09:14:03 -0800	[thread overview]
Message-ID: <44c35bd8-b7c3-49be-3a67-e9b1c8a02617@gmail.com> (raw)
In-Reply-To: <YAbxI97Dl/pmBy5V@mwanda>



On 1/19/2021 6:48 AM, Dan Carpenter wrote:
> The > comparison should be >= to prevent accessing one element beyond
> the end of the dev->vlans[] array in the caller function, b53_vlan_add().
> The "dev->vlans" array is allocated in the b53_switch_init() function
> and it has "dev->num_vlans" elements.
> 
> Fixes: a2482d2ce349 ("net: dsa: b53: Plug in VLAN support")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Acked-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian

WARNING: multiple messages have this Message-ID (diff)
From: Florian Fainelli <f.fainelli@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	netdev@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH net] net: dsa: b53: fix an off by one in checking "vlan->vid"
Date: Tue, 19 Jan 2021 17:14:03 +0000	[thread overview]
Message-ID: <44c35bd8-b7c3-49be-3a67-e9b1c8a02617@gmail.com> (raw)
In-Reply-To: <YAbxI97Dl/pmBy5V@mwanda>



On 1/19/2021 6:48 AM, Dan Carpenter wrote:
> The > comparison should be >= to prevent accessing one element beyond
> the end of the dev->vlans[] array in the caller function, b53_vlan_add().
> The "dev->vlans" array is allocated in the b53_switch_init() function
> and it has "dev->num_vlans" elements.
> 
> Fixes: a2482d2ce349 ("net: dsa: b53: Plug in VLAN support")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Acked-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian

  reply	other threads:[~2021-01-19 18:28 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-19 14:48 [PATCH net] net: dsa: b53: fix an off by one in checking "vlan->vid" Dan Carpenter
2021-01-19 14:48 ` Dan Carpenter
2021-01-19 17:14 ` Florian Fainelli [this message]
2021-01-19 17:14   ` Florian Fainelli
2021-01-20  3:35   ` Jakub Kicinski
2021-01-20  3:35     ` Jakub Kicinski

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