diff -drupN a/security/keys/user_defined.c b/security/keys/user_defined.c --- a/security/keys/user_defined.c 2018-08-06 17:23:04.000000000 +0300 +++ b/security/keys/user_defined.c 2022-06-12 05:28:14.000000000 +0300 @@ -107,7 +107,7 @@ int user_update(struct key *key, struct /* attach the new data, displacing the old */ key->expiry = prep->expiry; if (key_is_positive(key)) - zap = rcu_dereference_key(key); + zap = dereference_key_locked(key); rcu_assign_keypointer(key, prep->payload.data[0]); prep->payload.data[0] = NULL; @@ -123,7 +123,7 @@ EXPORT_SYMBOL_GPL(user_update); */ void user_revoke(struct key *key) { - struct user_key_payload *upayload = key->payload.data[0]; + struct user_key_payload *upayload = user_key_payload_locked(key); /* clear the quota */ key_payload_reserve(key, 0); @@ -169,7 +169,7 @@ long user_read(const struct key *key, ch const struct user_key_payload *upayload; long ret; - upayload = user_key_payload(key); + upayload = user_key_payload_locked(key); ret = upayload->datalen; /* we can return the data as is */