Corpus for fchown:
Coverage Program
882 perf_event_open-gettid-getresuid-getresgid-fchown-socket$nl_xfrm
614 perf_event_open-syz_mount_image$tmpfs-openat$dir-fchown
573 setgroups-socket$nl_xfrm-fchown
346 perf_event_open-openat$nvram-fchown
335 openat$nvram-socket$nl_xfrm-getsockopt$sock_cred-fchown
304 close_range-socket$nl_xfrm-fchown
285 perf_event_open-syz_open_procfs-fchown
265 prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-pipe2$9p-fchown
238 socket$nl_xfrm-newfstatat-setuid-getsockopt$sock_cred-fchown
212 syz_open_procfs-newfstatat-setresuid-fchown