linux-kernel - [PATCH 2/6] selinux: dump statistics for more hash tables

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Message-Id: <20230818151220.166215-1-cgzones@googlemail.com>
Date:   Fri, 18 Aug 2023 17:12:13 +0200
From:   Christian Göttsche <cgzones@...glemail.com>
To:     selinux@...r.kernel.org
Cc:     Paul Moore <paul@...l-moore.com>,
        Stephen Smalley <stephen.smalley.work@...il.com>,
        Eric Paris <eparis@...isplace.org>,
        Ondrej Mosnacek <omosnace@...hat.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/6] selinux: dump statistics for more hash tables

Dump in the SELinux debug configuration the statistics for the
conditional rules avtab, the role transition, and class and common
permission hash tables.

Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
---
 security/selinux/ss/conditional.c | 3 +++
 security/selinux/ss/policydb.c    | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index 81ff676f209a..0dd17fe76286 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -171,6 +171,9 @@ int cond_init_bool_indexes(struct policydb *p)
 					      GFP_KERNEL);
 	if (!p->bool_val_to_struct)
 		return -ENOMEM;
+
+	avtab_hash_eval(&p->te_cond_avtab, "conditional_rules");
+
 	return 0;
 }
 
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 84f02d4f8093..932e383bcad6 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -1158,6 +1158,8 @@ static int common_read(struct policydb *p, struct symtab *s, void *fp)
 			goto bad;
 	}
 
+	hash_eval(&comdatum->permissions.table, "common_permissions");
+
 	rc = symtab_insert(s, key, comdatum);
 	if (rc)
 		goto bad;
@@ -1339,6 +1341,8 @@ static int class_read(struct policydb *p, struct symtab *s, void *fp)
 			goto bad;
 	}
 
+	hash_eval(&cladatum->permissions.table, "class_permissions");
+
 	rc = read_cons_helper(p, &cladatum->constraints, ncons, 0, fp);
 	if (rc)
 		goto bad;
@@ -2616,6 +2620,8 @@ int policydb_read(struct policydb *p, void *fp)
 		rtd = NULL;
 	}
 
+	hash_eval(&p->role_tr, "roletr");
+
 	rc = next_entry(buf, fp, sizeof(u32));
 	if (rc)
 		goto bad;
-- 
2.40.1