Corpus for syz_open_dev$loop:

Coverage	Program
1190	openat$cgroup_ro-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-accept$packet-sendmsg$ETHTOOL_MSG_RINGS_GET-sendmsg$ETHTOOL_MSG_RINGS_SET-openat$cgroup_freezer_state-getpeername-openat$cgroup_root-openat$cgroup_ro-setsockopt$packet_int-fork-syz_open_dev$loop-kcmp$KCMP_EPOLL_TFD-sendmsg$TIPC_CMD_SET_NODE_ADDR
1077	openat-syz_open_dev$loop-ioctl$LOOP_SET_FD
1046	syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE