Corpus for fchmod:

Coverage	Program
2880	syz_io_uring_setup-syz_io_uring_submit-syz_io_uring_setup-pipe2-openat$random-mmap$IORING_OFF_SQ_RING-syz_io_uring_setup-perf_event_open-openat$vcsa-socket$inet6_udplite-sendmmsg$inet-socket$inet6_icmp-ppoll-fchmod-io_uring_enter
271	perf_event_open-socket$netlink-fchmod
270	perf_event_open-memfd_create-fchmod
260	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-fchmod
232	syz_open_procfs-fchmod
209	close_range-pipe-fchmod
61	perf_event_open-add_key$keyring-syz_mount_image$iso9660-ioctl$sock_SIOCGIFINDEX-setsockopt$inet6_IPV6_PKTINFO-fchmod-socket$netlink-sendmsg$nl_generic-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-socket$inet6_icmp_raw-perf_event_open-ioctl$sock_SIOCGIFINDEX-gettid