Corpus for sendmsg$sock:

Coverage	Program
343	syz_init_net_socket$bt_sco-sendmsg$sock
214	syz_init_net_socket$802154_dgram-sendmsg$sock
198	socket$inet6_tcp-sendmsg$sock
197	syz_init_net_socket$802154_dgram-sendmsg$sock
124	syz_init_net_socket$bt_sco-sendmsg$sock