Corpus for fsync:

Coverage	Program
2086	perf_event_open-syz_mount_image$tmpfs-fsync
1522	mkdirat$cgroup_root-mkdirat$cgroup_root-mkdirat$cgroup_root-perf_event_open-ioctl$sock_FIOGETOWN-syz_open_procfs-mkdirat$cgroup_root-clone3-mkdirat$cgroup_root-mkdirat$cgroup_root-socket$packet-setsockopt$packet_fanout-getsockopt$packet_buf-mkdirat$cgroup_root-mkdirat$cgroup_root-fsync-mkdirat$cgroup_root-ioctl$AUTOFS_DEV_IOCTL_REQUESTER-mkdirat$cgroup_root-ioctl$BTRFS_IOC_INO_LOOKUP_USER
602	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$bsg-fsync
162	openat$sr-fsync
61	perf_event_open-fsync
42	syz_mount_image$tmpfs-perf_event_open-fsync
40	prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-openat$bsg-fsync