Corpus for sync:

Coverage	Program
4556	msgget$private-socket$nl_xfrm-socket$nl_xfrm-getsockopt$sock_cred-syz_mount_image$tmpfs-syz_mount_image$tmpfs-msgctl$IPC_SET-sync
2859	sync
2746	perf_event_open-ioctl$BTRFS_IOC_WAIT_SYNC-sync
2595	syz_open_procfs-mknodat$loop-ioctl$FAT_IOCTL_SET_ATTRIBUTES-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-sync
2548	ioctl$TUNSETOWNER-sync-sync
2426	perf_event_open-sync
2424	sync-creat
2392	perf_event_open-ioctl$BTRFS_IOC_WAIT_SYNC-sync
2380	prlimit64-sync-clock_gettime-select-sendmsg$NL80211_CMD_EXTERNAL_AUTH
2363	perf_event_open-syz_open_dev$evdev-sync
2257	perf_event_open-ioctl$BTRFS_IOC_WAIT_SYNC-sync-sync
2237	perf_event_open-sync
2231	perf_event_open-openat$sr-sync
2230	perf_event_open-ptrace-ptrace$setregs-sync
2228	perf_event_open-sync
2217	perf_event_open-sync
2200	perf_event_open-sync
2199	syz_mount_image$iso9660-unlinkat-perf_event_open-sync
2166	prlimit64-sync-clock_gettime-sendmsg$NL80211_CMD_EXTERNAL_AUTH
2157	perf_event_open-sync
2125	prlimit64-sync-clock_gettime-select-sendmsg$NL80211_CMD_EXTERNAL_AUTH
2106	sync-creat
1598	prlimit64-sync
609	sync-clock_gettime