Corpus for readahead:

Coverage	Program
543	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-readahead
133	openat-creat-write$binfmt_elf64-readahead
96	perf_event_open-readahead
89	openat-write$P9_RREADLINK-readahead
69	openat-close_range-readahead
60	creat-readahead
49	perf_event_open-syz_io_uring_setup-socket$inet_udp-bind$inet-syz_io_uring_submit-openat-readahead-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_CQ_RING-syz_io_uring_submit-io_uring_enter-openat-mmap-syz_io_uring_setup