From: Paul Moore <paul@paul-moore.com>
To: "Christian Göttsche" <cgoettsche@seltendoof.de>, selinux@vger.kernel.org
Cc: "Stephen Smalley" <stephen.smalley.work@gmail.com>,
"Ondrej Mosnacek" <omosnacek@gmail.com>,
"Christian Göttsche" <cgzones@googlemail.com>
Subject: Re: [PATCH] selinux: reject a policy that both rejects and allows unknown classes
Date: Thu, 24 Sep 2026 17:08:02 -0400 [thread overview]
Message-ID: <ac3e378a3a0012815d4d37f4740e2d76@paul-moore.com> (raw)
In-Reply-To: <20260917142038.60637-1-cgoettsche@seltendoof.de>
On Sep 17, 2026 =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgoettsche@seltendoof.de> wrote:
>
> handle-unknown is a single three-valued choice - deny, reject or allow -
> but the policydb header spells it as two independent bits and
> policydb_read() takes any combination of them.
>
> libsepol writes exactly one of the three values
> (POLICYDB_CONFIG_UNKNOWN_MASK & p->handle_unknown), so no policy built by
> the reference toolchain carries this combination.
>
> Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
> Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com>
> ---
> security/selinux/ss/policydb.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
Merged into selinux/dev, thanks.
--
paul-moore.com
prev parent reply other threads:[~2026-09-24 21:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-17 14:20 [PATCH] selinux: reject a policy that both rejects and allows unknown classes Christian Göttsche
2026-09-17 14:26 ` sashiko-bot
2026-09-18 14:12 ` Stephen Smalley
2026-09-24 21:08 ` Paul Moore [this message]
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