Corpus for mknodat$loop:

Coverage	Program
2217	syz_mount_image$tmpfs-mknodat$loop
2035	syz_mount_image$vfat-perf_event_open-openat-open$dir-open$dir-mknodat$loop-mq_timedsend-openat-ftruncate-ioctl$FS_IOC_FSSETXATTR-ioctl$CDROM_SELECT_DISK-fcntl$notify-fsetxattr$security_selinux
986	syz_mount_image$tmpfs-mknodat$loop
985	syz_mount_image$tmpfs-mknodat$loop
985	syz_mount_image$tmpfs-mknodat$loop
969	syz_mount_image$tmpfs-mknodat$loop
798	syz_mount_image$tmpfs-mknodat$loop
557	syz_mount_image$tmpfs-stat-setreuid-mknodat$loop
499	syz_open_procfs-mknodat$loop