keys: Invalidate used request_key authentication keys
authorDavid Howells <dhowells@redhat.com>
Wed, 19 Jun 2019 15:10:15 +0000 (16:10 +0100)
committerDavid Howells <dhowells@redhat.com>
Wed, 19 Jun 2019 15:10:15 +0000 (16:10 +0100)
Invalidate used request_key authentication keys rather than revoking them
so that they get cleaned up immediately rather than potentially hanging
around.  There doesn't seem any need to keep the revoked keys around.

Signed-off-by: David Howells <dhowells@redhat.com>
security/keys/key.c
security/keys/request_key.c

index bba71ac..e792d65 100644 (file)
@@ -459,7 +459,7 @@ static int __key_instantiate_and_link(struct key *key,
 
                        /* disable the authorisation key */
                        if (authkey)
-                               key_revoke(authkey);
+                               key_invalidate(authkey);
 
                        if (prep->expiry != TIME64_MAX) {
                                key->expiry = prep->expiry;
@@ -616,7 +616,7 @@ int key_reject_and_link(struct key *key,
 
                /* disable the authorisation key */
                if (authkey)
-                       key_revoke(authkey);
+                       key_invalidate(authkey);
        }
 
        mutex_unlock(&key_construction_mutex);
index a6543ed..244e538 100644 (file)
@@ -222,7 +222,7 @@ static int construct_key(struct key *key, const void *callout_info,
        /* check that the actor called complete_request_key() prior to
         * returning an error */
        WARN_ON(ret < 0 &&
-               !test_bit(KEY_FLAG_REVOKED, &authkey->flags));
+               !test_bit(KEY_FLAG_INVALIDATED, &authkey->flags));
 
        key_put(authkey);
        kleave(" = %d", ret);