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From: Phil Karn <karn@ka9q•net>
To: richard -rw- weinberger <richard.weinberger@gmail•com>
Cc: kaber@trash•net, netdev@vger•kernel.org
Subject: Re: Off-by-one error in net/8021q/vlan.c
Date: Wed, 16 Feb 2011 07:58:09 -0800	[thread overview]
Message-ID: <4D5BF411.4020204@ka9q.net> (raw)
In-Reply-To: <AANLkTinBOk8ZNQvRpMqZQE_vOu63QVzDZ4ceRRUDvJD_@mail.gmail.com>

On 2/16/11 4:51 AM, richard -rw- weinberger wrote:
> On Wed, Feb 16, 2011 at 11:58 AM, Phil Karn <karn@ka9q•net> wrote:
>> The range check on vlan_id in register_vlan_device is off by one, and it
>> prevents the creation of a vlan interface for vlan ID 4095. (OSX allows
>> this, I checked.)
> 
> Then OSX should fix their code. 4095 is reserved.
> 

If it's reserved, then it's up to the user to reserve it.

I actually had reason to use this to fix a misconfigured host that was
using vlan 4095. This got in my way.

  parent reply	other threads:[~2011-02-16 15:58 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-16 10:58 Off-by-one error in net/8021q/vlan.c Phil Karn
2011-02-16 12:51 ` richard -rw- weinberger
2011-02-16 13:22   ` Patrick McHardy
2011-02-16 15:58   ` Phil Karn [this message]
2011-02-16 16:10     ` richard -rw- weinberger
2011-02-16 16:28       ` Phil Karn
2011-02-16 16:35         ` richard -rw- weinberger
2011-02-16 16:39         ` Eric Dumazet
2011-02-16 18:41           ` Michał Mirosław
2011-02-21 19:26             ` Brent Cook
2011-02-21 21:47               ` Phil Karn

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