Corpus for mknodat$loop:

Coverage	Program
4073	socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-socket$inet6_icmp_raw-perf_event_open-ioctl$sock_SIOCGIFINDEX-socket$nl_netfilter-socket$netlink-accept4-ioctl$sock_SIOCGIFINDEX-setsockopt$netlink_NETLINK_ADD_MEMBERSHIP-sendmsg$nl_generic-ioctl$BTRFS_IOC_DEFRAG-mknodat$loop-setsockopt$inet6_mreq
3563	socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-socket$inet6_icmp_raw-ioctl$sock_SIOCGIFINDEX-socket$inet6_icmp_raw-perf_event_open-ioctl$sock_SIOCGIFINDEX-socket$nl_netfilter-socket$netlink-ioctl$sock_SIOCGIFINDEX-setsockopt$netlink_NETLINK_ADD_MEMBERSHIP-sendmsg$nl_generic-mmap$IORING_OFF_CQ_RING-io_uring_register$IORING_REGISTER_PERSONALITY-syz_io_uring_submit-syz_io_uring_submit-sendmsg$IPCTNL_MSG_CT_GET-mknodat$loop-setsockopt$inet6_mreq
1026	syz_mount_image$tmpfs-mknodat$loop
983	syz_mount_image$tmpfs-mknodat$loop
951	syz_mount_image$tmpfs-mknodat$loop
560	openat$sysfs-mknodat$loop
277	perf_event_open-futimesat-getpgid-mknodat$loop