Corpus for openat$nvram:

Coverage	Program
754	perf_event_open-socketpair$unix-openat$procfs-sendfile-socket$unix-bind$unix-setsockopt$sock_int-sendmsg$unix-fallocate-openat$nvram-dup2-openat-dup2-pipe-syz_io_uring_submit-ioctl$PERF_EVENT_IOC_SET_OUTPUT-timerfd_create-ioctl$BTRFS_IOC_INO_PATHS
729	openat$nvram-openat$nvram
680	perf_event_open-openat$nvram
649	openat$nvram-write$cgroup_freezer_state
646	openat$nvram