Corpus for mknod$loop:

Coverage	Program
3301	syz_mount_image$ext4-mount-chdir-mknod$loop
2019	mknod$loop-quotactl
1835	mknod$loop-creat
1811	syz_mount_image$ext4-chroot-mknod$loop
1790	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-mknod$loop
1747	mknod$loop-creat-ioctl$BLKTRACESETUP
845	syz_mount_image$ext4-mount-chdir-mknod$loop
638	stat-setresuid-mknod$loop