Corpus for pkey_alloc:

Coverage	Program
246	perf_event_open-pkey_alloc-pkey_alloc-ioprio_set$uid
78	perf_event_open-pkey_alloc
78	perf_event_open-pkey_alloc
67	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-pkey_alloc
45	pkey_alloc
37	pkey_alloc-pkey_alloc
34	pkey_alloc