Corpus for fsync:

Coverage	Program
3677	syz_mount_image$iso9660-syz_mount_image$tmpfs-mknodat$loop-perf_event_open-open$dir-fsync-socket$nl_netfilter-syz_io_uring_setup-dup-io_uring_register$IORING_REGISTER_BUFFERS
1101	perf_event_open-syz_mount_image$vfat-mkdirat-fsync
432	openat$sr-fsync
234	perf_event_open-creat-fsync
151	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-creat-fsync
139	prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-creat-fsync
37	openat$bsg-fsync
25	perf_event_open-fsync
19	fsync