netdev - Re: [PATCH v2 0/2] cipso: make cipso_v4_skbuff_delattr() fully remove the CIPSO options

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Date: Mon, 10 Jun 2024 09:53:21 -0700
From: Casey Schaufler <casey@...aufler-ca.com>
To: Ondrej Mosnacek <omosnace@...hat.com>
Cc: Paul Moore <paul@...l-moore.com>, netdev@...r.kernel.org,
 linux-security-module@...r.kernel.org,
 Casey Schaufler <casey@...aufler-ca.com>
Subject: Re: [PATCH v2 0/2] cipso: make cipso_v4_skbuff_delattr() fully remove
 the CIPSO options

On 6/10/2024 8:14 AM, Ondrej Mosnacek wrote:
> On Fri, Jun 7, 2024 at 8:50 PM Casey Schaufler <casey@...aufler-ca.com> wrote:
>> On 6/7/2024 9:07 AM, Ondrej Mosnacek wrote:
>>> This series aims to improve cipso_v4_skbuff_delattr() to fully
>>> remove the CIPSO options instead of just clearing them with NOPs.
>>> That is implemented in the second patch, while the first patch is
>>> a bugfix for cipso_v4_delopt() that the second patch depends on.
>>>
>>> Tested using selinux-testsuite a TMT/Beakerlib test from this PR:
>>> https://src.fedoraproject.org/tests/selinux/pull-request/488
>> Smack also uses CIPSO. The Smack testsuite is:
>> https://github.com/smack-team/smack-testsuite.git
> I tried to run it now, but 6 out of 114 tests fail for me already on
> the baseline kernel (I tried with the v6.9 tag from mainline). The
> output is not very verbose, so I'm not sure what is actually failing
> and if it's caused by something on my side... With my patches applied,
> the number of failed tests was the same, though, so there is no
> evidence of a regression, at least.

I assume you didn't select CONFIG_SECURITY_SMACK_NETFILTER, which
impacts some of the IPv6 test case. Thank you for running the tests.

>