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From: Fernando Fernandez Mancera <fmancera@suse.de>
To: Paul Moore <paul@paul-moore.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com, dsahern@kernel.org,
	horms@kernel.org, idosch@nvidia.com,
	linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 11/13 RFC net-next] net: cipso: guard IPv4 packet manipulation functions
Date: Mon, 13 Jul 2026 16:03:59 +0200	[thread overview]
Message-ID: <1647cdf5-4602-4088-a543-d84daec7d788@suse.de> (raw)
In-Reply-To: <CAHC9VhTA8Y+BLOcLcv6X9u3nRU=X7NQz-u4kZuVNL-Yz1mWKxw@mail.gmail.com>

On 7/12/26 6:22 PM, Paul Moore wrote:
> On Sat, Jul 11, 2026 at 9:41 PM Fernando Fernandez Mancera
> <fmancera@suse.de> wrote:
>>
>> To enable compiling the network stack without IPv4, the CIPSO functions
>> that manipulate IPv4 options and generate ICMP errors must be bypassed.
>>
>> Ideally, CIPSO should not be compiled when IPv4 is disabled but
>> currently it is too integrated within netlabel, so let's just bypassed
>> the relevant functions.
>>
>> Signed-off-by: Fernando Fernandez Mancera <fmancera@suse.de>
>> ---
>>   net/ipv4/cipso_ipv4.c | 10 ++++++++++
>>   1 file changed, 10 insertions(+)
> 
> I think I would prefer to make CONFIG_NETLABEL dependent on
> CONFIG_IPV4 at this point in time.  This will keep the code cleaner
> and allow time to do the proper work of wrapping the CIPSO code with
> CONFIG_CIPSO (or similar) and making that dependent on CONFIG_IPV4.
> 

Fair, that works for me too. I am gonna drop this on the v1.

Thank you!
Fernando.

      reply	other threads:[~2026-07-13 14:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20260712013941.4570-1-fmancera@suse.de>
2026-07-12  1:39 ` [PATCH 11/13 RFC net-next] net: cipso: guard IPv4 packet manipulation functions Fernando Fernandez Mancera
2026-07-12 16:22   ` Paul Moore
2026-07-13 14:03     ` Fernando Fernandez Mancera [this message]

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