Corpus for pipe2:

Coverage	Program
7422	perf_event_open-semget-openat-mmap$IORING_OFF_SQ_RING-creat-write$binfmt_elf64-syz_io_uring_complete-fcntl$F_SET_RW_HINT-perf_event_open-mmap-ioctl$EXT4_IOC_SWAP_BOOT-pipe2-fcntl$F_SET_RW_HINT-sendmsg$NL80211_CMD_SET_MULTICAST_TO_UNICAST
894	add_key$fscrypt_v1-perf_event_open-add_key$keyring-keyctl$link-keyctl$restrict_keyring-add_key$fscrypt_v1-keyctl$get_security-keyctl$clear-request_key-keyctl$search-add_key-add_key$keyring-add_key$fscrypt_v1-getsockopt$sock_cred-pipe2-perf_event_open