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    SubjectRe: [PATCH 2/3] CRED: Split the task security data and move part of it into struct cred

    --- David Howells <dhowells@redhat.com> wrote:

    > Stephen Smalley <sds@tycho.nsa.gov> wrote:
    >
    > > Precisely when to use one identity vs. the other though isn't always
    > > clear, and the potential for accidental divergence is also a concern.
    >
    > What should auditing use in audit_filter_rules() when dealing with
    > AUDIT_SUBJ_* cases? Should the SUBJ cases use the subjective SID and the
    > AUDIT_OBJ_* cases use the objective SID? On the other hand AUDIT_OBJ_* cases
    > don't seem to have anything to do with tasks.

    I believe that you'll need to audit both sets of credentials.
    I think that for audit filtering you will need to have the ability
    to filter on either. It's no different from the euid/ruid split.


    Casey Schaufler
    casey@schaufler-ca.com
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