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[71.126.255.178]) by smtp.gmail.com with UTF8SMTPSA id 6a1803df08f44-87c012a1cdfsm6812466d6.49.2025.10.14.16.12.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Oct 2025 16:12:44 -0700 (PDT) Date: Tue, 14 Oct 2025 19:12:44 -0400 Message-ID: <8760514587ca702853a22fb51e9c9bd7@paul-moore.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Mailer: pstg-pwork:20251014_1821/pstg-lib:20251014_1132/pstg-pwork:20251014_1821 From: Paul Moore To: Casey Schaufler , casey@schaufler-ca.com, eparis@redhat.com, linux-security-module@vger.kernel.org, audit@vger.kernel.org Cc: jmorris@namei.org, serge@hallyn.com, keescook@chromium.org, john.johansen@canonical.com, penguin-kernel@i-love.sakura.ne.jp, stephen.smalley.work@gmail.com, linux-kernel@vger.kernel.org, selinux@vger.kernel.org Subject: Re: [PATCH RFC 4/15] Audit: Add record for multiple object contexts References: <20250621171851.5869-5-casey@schaufler-ca.com> In-Reply-To: <20250621171851.5869-5-casey@schaufler-ca.com> On Jun 21, 2025 Casey Schaufler wrote: > > Create a new audit record AUDIT_MAC_OBJ_CONTEXTS. > An example of the MAC_OBJ_CONTEXTS record is: > > type=MAC_OBJ_CONTEXTS > msg=audit(1601152467.009:1050): > obj_selinux=unconfined_u:object_r:user_home_t:s0 > > When an audit event includes a AUDIT_MAC_OBJ_CONTEXTS record > the "obj=" field in other records in the event will be "obj=?". > An AUDIT_MAC_OBJ_CONTEXTS record is supplied when the system has > multiple security modules that may make access decisions based > on an object security context. > > Signed-off-by: Casey Schaufler > --- > include/linux/audit.h | 7 +++++ > include/uapi/linux/audit.h | 1 + > kernel/audit.c | 58 +++++++++++++++++++++++++++++++++++++- > kernel/auditsc.c | 45 ++++++++--------------------- > security/selinux/hooks.c | 3 +- > security/smack/smack_lsm.c | 3 +- > 6 files changed, 80 insertions(+), 37 deletions(-) Similar to patch 1/15, dropped due to this already being in Linus' tree. -- paul-moore.com