[PATCH v6 4/4] Audit: Add record for multiple object contexts

[Paul Moore]

On Aug 16, 2025 Casey Schaufler <casey at schaufler-ca.com> 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 <casey at schaufler-ca.com>
> ---
>  include/linux/audit.h      |  7 +++++
>  include/uapi/linux/audit.h |  1 +
>  kernel/audit.c             | 58 +++++++++++++++++++++++++++++++++++++-
>  kernel/auditsc.c           | 38 +++++--------------------
>  security/selinux/hooks.c   |  4 ++-
>  security/smack/smack_lsm.c |  4 ++-
>  6 files changed, 78 insertions(+), 34 deletions(-)

Merged into audit/dev, thanks.

--
paul-moore.com