Replace the osid field in the audit_names structure
with a lsmblob structure. This accommodates the use
of an lsmblob in security_audit_rule_match() and
security_inode_getsecid().

Signed-off-by: Casey Schaufler <ca...@schaufler-ca.com>
Acked-by: Paul Moore <p...@paul-moore.com>
---
 kernel/audit.h   |  2 +-
 kernel/auditsc.c | 22 ++++++++--------------
 2 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/kernel/audit.h b/kernel/audit.h
index 316fac62d5f7..4af63e7dde17 100644
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -82,7 +82,7 @@ struct audit_names {
        kuid_t                  uid;
        kgid_t                  gid;
        dev_t                   rdev;
-       u32                     osid;
+       struct lsmblob          lsmblob;
        struct audit_cap_data   fcap;
        unsigned int            fcap_ver;
        unsigned char           type;           /* record type */
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index ca00187b4864..e8f632736d2b 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -700,17 +700,16 @@ static int audit_filter_rules(struct task_struct *tsk,
                                         * lsmblob, which happens later in
                                         * this patch set.
                                         */
-                                       lsmblob_init(&blob, name->osid);
                                        result = security_audit_rule_match(
-                                                               &blob,
+                                                               &name->lsmblob,
                                                                f->type,
                                                                f->op,
                                                                &f->lsm_rules);
                                } else if (ctx) {
                                        list_for_each_entry(n, 
&ctx->names_list, list) {
-                                               lsmblob_init(&blob, n->osid);
                                                if (security_audit_rule_match(
-                                                       &blob, f->type, f->op,
+                                                       &n->lsmblob,
+                                                       f->type, f->op,
                                                        &f->lsm_rules)) {
                                                        ++result;
                                                        break;
@@ -1564,13 +1563,12 @@ static void audit_log_name(struct audit_context 
*context, struct audit_names *n,
                                 from_kgid(&init_user_ns, n->gid),
                                 MAJOR(n->rdev),
                                 MINOR(n->rdev));
-       if (n->osid != 0) {
-               struct lsmblob blob;
+       if (lsmblob_is_set(&n->lsmblob)) {
                struct lsmcontext lsmctx;
 
-               lsmblob_init(&blob, n->osid);
-               if (security_secid_to_secctx(&blob, &lsmctx, LSMBLOB_FIRST)) {
-                       audit_log_format(ab, " osid=%u", n->osid);
+               if (security_secid_to_secctx(&n->lsmblob, &lsmctx,
+                                            LSMBLOB_FIRST)) {
+                       audit_log_format(ab, " osid=?");
                        if (call_panic)
                                *call_panic = 2;
                } else {
@@ -2278,17 +2276,13 @@ static void audit_copy_inode(struct audit_names *name,
                             const struct dentry *dentry,
                             struct inode *inode, unsigned int flags)
 {
-       struct lsmblob blob;
-
        name->ino   = inode->i_ino;
        name->dev   = inode->i_sb->s_dev;
        name->mode  = inode->i_mode;
        name->uid   = inode->i_uid;
        name->gid   = inode->i_gid;
        name->rdev  = inode->i_rdev;
-       security_inode_getsecid(inode, &blob);
-       /* scaffolding until osid is updated */
-       name->osid = lsmblob_first(&blob);
+       security_inode_getsecid(inode, &name->lsmblob);
        if (flags & AUDIT_INODE_NOEVAL) {
                name->fcap_ver = -1;
                return;
-- 
2.37.3

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