3 files changed, 22 insertions, 5 deletions

diff --git a/drivers/unix/ip_unix.cpp b/drivers/unix/ip_unix.cpp
index 1becf3accb..30d2377a04 100644
--- a/drivers/unix/ip_unix.cpp
+++ b/drivers/unix/ip_unix.cpp
@@ -77,7 +77,7 @@ static IP_Address _sockaddr2ip(struct sockaddr *p_addr) {
 	if (p_addr->sa_family == AF_INET) {
 		struct sockaddr_in *addr = (struct sockaddr_in *)p_addr;
 		ip.set_ipv4((uint8_t *)&(addr->sin_addr));
-	} else {
+	} else if (p_addr->sa_family == AF_INET6) {
 		struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr;
 		ip.set_ipv6(addr6->sin6_addr.s6_addr);
 	};
@@ -180,15 +180,16 @@ void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
 				SOCKADDR_IN *ipv4 = reinterpret_cast<SOCKADDR_IN *>(address->Address.lpSockaddr);
 
 				ip.set_ipv4((uint8_t *)&(ipv4->sin_addr));
-			} else { // ipv6
+				r_addresses->push_back(ip);
+
+			} else if (address->Address.lpSockaddr->sa_family == AF_INET6) { // ipv6
 
 				SOCKADDR_IN6 *ipv6 = reinterpret_cast<SOCKADDR_IN6 *>(address->Address.lpSockaddr);
 
 				ip.set_ipv6(ipv6->sin6_addr.s6_addr);
+				r_addresses->push_back(ip);
 			};
 
-			r_addresses->push_back(ip);
-
 			address = address->Next;
 		};
 		adapter = adapter->Next;
@@ -205,6 +206,7 @@ void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
 
 	struct ifaddrs *ifAddrStruct = NULL;
 	struct ifaddrs *ifa = NULL;
+	int family;
 
 	getifaddrs(&ifAddrStruct);
 
@@ -212,6 +214,11 @@ void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
 		if (!ifa->ifa_addr)
 			continue;
 
+		family = ifa->ifa_addr->sa_family;
+
+		if (family != AF_INET && family != AF_INET6)
+			continue;
+
 		IP_Address ip = _sockaddr2ip(ifa->ifa_addr);
 		r_addresses->push_back(ip);
 	}
diff --git a/drivers/unix/packet_peer_udp_posix.cpp b/drivers/unix/packet_peer_udp_posix.cpp
index 5dbccd4b63..74ceb3946a 100644
--- a/drivers/unix/packet_peer_udp_posix.cpp
+++ b/drivers/unix/packet_peer_udp_posix.cpp
@@ -216,6 +216,8 @@ Error PacketPeerUDPPosix::_poll(bool p_wait) {
 
 		len = sizeof(struct sockaddr_storage);
 		++queue_count;
+		if (p_wait)
+			break;
 	};
 
 	// TODO: Should ECONNRESET be handled here?
diff --git a/drivers/unix/socket_helpers.h b/drivers/unix/socket_helpers.h
index 8e54afcdba..5fa727a9b9 100644
--- a/drivers/unix/socket_helpers.h
+++ b/drivers/unix/socket_helpers.h
@@ -100,13 +100,21 @@ static size_t _set_listen_sockaddr(struct sockaddr_storage *p_addr, int p_port,
 	};
 };
 
-static int _socket_create(IP::Type p_type, int type, int protocol) {
+static int _socket_create(IP::Type &p_type, int type, int protocol) {
 
 	ERR_FAIL_COND_V(p_type > IP::TYPE_ANY || p_type < IP::TYPE_NONE, ERR_INVALID_PARAMETER);
 
 	int family = p_type == IP::TYPE_IPV4 ? AF_INET : AF_INET6;
 	int sockfd = socket(family, type, protocol);
 
+	if (sockfd == -1 && p_type == IP::TYPE_ANY) {
+		// Careful here, changing the referenced parameter so the caller knows that we are using an IPv4 socket
+		// in place of a dual stack one, and further calls to _set_sock_addr will work as expected.
+		p_type = IP::TYPE_IPV4;
+		family = AF_INET;
+		sockfd = socket(family, type, protocol);
+	}
+
 	ERR_FAIL_COND_V(sockfd == -1, -1);
 
 	if (family == AF_INET6) {