My bosses boss has told me that my boss was to be moved out of a management role and I was to take his position. We discussed my performance in the past year and a half and he has been pleased with where I am going with the department.
The big boss has put me in a difficult position for the rest of the year as he does not want to tell my manager of the change until the new year. That said, he has given me several "special assignments" involving reorganization of the department and now my manager thinks I have been sidestepping him to do these projects. He has wanted information about the projects that his boss has been giving me and I am under a gag order from his boss. I have referred him to his boss about the projects a few times but he doesn't seem to want to go to him with these requests. He has been rattling his saber a bunch and I am uncomfortable with the whole situation.
Question: Which boss do I confront? How?