landlock_inode
object = rcu_dereference(landlock_inode(inode)->object);
rcu_assign_pointer(landlock_inode(inode)->object, NULL);
struct landlock_inode_security *inode_sec = landlock_inode(inode);
id.key.object = rcu_dereference(landlock_inode(inode)->object);
rcu_assign_pointer(landlock_inode(inode)->object, NULL);