On Sun, Jan 02, 2022 at 09:51:15PM +0530, Kumar Kartikeya Dwivedi wrote: > This adds a complete test case to ensure we never take references to > modules not in MODULE_STATE_LIVE, which can lead to UAF, and it also > ensures we never access btf->kfunc_set_tab in an inconsistent state. > > The test uses userfaultfd to artifically widen the race. Fancy! Does it have to use a different module? Can it be part of bpf_testmod somehow?