Corpus for fchmodat:

Coverage	Program
3542	openat-close-openat-write-close-openat-write$binfmt_elf64-close-fchmodat-perf_event_open-execveat
3250	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_mount_image$tmpfs-mknodat$loop-fchmodat
3192	perf_event_open-openat-close-fchmodat-execve
2248	syz_mount_image$tmpfs-mknodat$loop-perf_event_open-fchmodat
969	creat-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-fchmodat
875	openat-close-openat-write-close-openat-write$binfmt_script-close-fchmodat-execveat
433	syz_open_procfs-fchmodat
232	fchmodat
136	fchmodat