r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
getpeername(r0, &(0x7f0000001a00)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x0, 0x0, @ipv4={""/10, ""/2, @multicast1}}}, &(0x7f0000001a80)=0x80)