38 static struct key *get_user_register(struct user_namespace *user_ns)  in get_user_register()
40 	struct key *reg_keyring = READ_ONCE(user_ns->user_keyring_register);  in get_user_register()
74 int look_up_user_keyrings(struct key **_user_keyring,  in look_up_user_keyrings()
75 			  struct key **_user_session_keyring)  in look_up_user_keyrings()
79 	struct key *reg_keyring, *uid_keyring, *session_keyring;  in look_up_user_keyrings()
185 struct key *get_user_session_keyring_rcu(const struct cred *cred)  in get_user_session_keyring_rcu()
187 	struct key *reg_keyring = READ_ONCE(cred->user_ns->user_keyring_register);  in get_user_session_keyring_rcu()
223 	struct key *keyring;  in install_thread_keyring_to_cred()
270 	struct key *keyring;  in install_process_keyring_to_cred()
317 int install_session_keyring_to_cred(struct cred *cred, struct key *keyring)  in install_session_keyring_to_cred()
320 	struct key *old;  in install_session_keyring_to_cred()
356 static int install_session_keyring(struct key *keyring)  in install_session_keyring()
424 	struct key *user_session;  in search_cred_keyrings_rcu()
587 bool lookup_user_key_possessed(const struct key *key,  in lookup_user_key_possessed()  argument
590 	return key == match_data->raw_data;  in lookup_user_key_possessed()
621 	struct key *key, *user_session;  in lookup_user_key()  local
643 		key = ctx.cred->thread_keyring;  in lookup_user_key()
644 		__key_get(key);  in lookup_user_key()
645 		key_ref = make_key_ref(key, 1);  in lookup_user_key()
661 		key = ctx.cred->process_keyring;  in lookup_user_key()
662 		__key_get(key);  in lookup_user_key()
663 		key_ref = make_key_ref(key, 1);  in lookup_user_key()
691 		key = ctx.cred->session_keyring;  in lookup_user_key()
692 		__key_get(key);  in lookup_user_key()
693 		key_ref = make_key_ref(key, 1);  in lookup_user_key()
697 		ret = look_up_user_keyrings(&key, NULL);  in lookup_user_key()
700 		key_ref = make_key_ref(key, 1);  in lookup_user_key()
704 		ret = look_up_user_keyrings(NULL, &key);  in lookup_user_key()
707 		key_ref = make_key_ref(key, 1);  in lookup_user_key()
716 		key = ctx.cred->request_key_auth;  in lookup_user_key()
717 		if (!key)  in lookup_user_key()
720 		__key_get(key);  in lookup_user_key()
721 		key_ref = make_key_ref(key, 1);  in lookup_user_key()
732 			key = NULL;  in lookup_user_key()
735 			key = rka->dest_keyring;  in lookup_user_key()
736 			__key_get(key);  in lookup_user_key()
739 		if (!key)  in lookup_user_key()
741 		key_ref = make_key_ref(key, 1);  in lookup_user_key()
749 		key = key_lookup(id);  in lookup_user_key()
750 		if (IS_ERR(key)) {  in lookup_user_key()
751 			key_ref = ERR_CAST(key);  in lookup_user_key()
755 		key_ref = make_key_ref(key, 0);  in lookup_user_key()
758 		ctx.index_key			= key->index_key;  in lookup_user_key()
759 		ctx.match_data.raw_data		= key;  in lookup_user_key()
767 			key_put(key);  in lookup_user_key()
778 			ret = wait_for_key_construction(key, true);  in lookup_user_key()
791 			ret = key_validate(key);  in lookup_user_key()
798 		    key_read_state(key) == KEY_IS_UNINSTANTIATED)  in lookup_user_key()
807 	key->last_used_at = ktime_get_real_seconds();  in lookup_user_key()
841 	struct key *keyring;  in join_session_keyring()