Corpus for syz_open_dev$loop:

Coverage	Program
923	ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-sendmsg$MPTCP_PM_CMD_GET_LIMITS-ioctl$sock_ipv6_tunnel_SIOCADD6RD-syz_genetlink_get_family_id$batadv-syz_open_dev$loop
866	syz_open_dev$loop-ioctl$BLKSECDISCARD
727	sendmsg$GTP_CMD_DELPDP-syz_genetlink_get_family_id$mptcp-syz_open_dev$loop
568	syz_mount_image$ext4-mount-chroot-syz_open_dev$loop