Corpus for fsync:
Coverage Program
3386 perf_event_open-syz_mount_image$ext4-openat$dir-fsync
1740 openat-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-fsync
565 close_range-creat-fsync
180 syz_mount_image$ext4-perf_event_open-openat$dir-fsync
78 perf_event_open-fsync
45 fsync