Fix addrinfo segfault

Author: nikic

ext/sockets/sockets.c

@@ -186,10 +186,11 @@ static void address_info_free_obj(zend_object *object)
 {
 	php_addrinfo *address_info = address_info_from_obj(object);
 
-	efree(address_info->addrinfo->ai_addr);
 	if (address_info->addrinfo->ai_canonname != NULL) {
 		efree(address_info->addrinfo->ai_canonname);
 	}
+	efree(address_info->addrinfo->ai_addr);
+	efree(address_info->addrinfo);
 
 	zend_object_std_dtor(&address_info->std);
 }
@@ -2302,6 +2303,9 @@ PHP_FUNCTION(socket_addrinfo_lookup)
 			object_init_ex(&zaddr, address_info_ce);
 			res = Z_ADDRESS_INFO_P(&zaddr);
 
+			res->addrinfo = emalloc(sizeof(struct addrinfo));
+			memcpy(res->addrinfo, rp, sizeof(struct addrinfo));
+
 			res->addrinfo->ai_addr = emalloc(rp->ai_addrlen);
 			memcpy(res->addrinfo->ai_addr, rp->ai_addr, rp->ai_addrlen);
 

ext/sockets/tests/socket_addrinfo_bind.phpt

@@ -14,6 +14,6 @@ $addrinfo = socket_addrinfo_lookup('127.0.0.1', 2000, array(
 var_dump(socket_addrinfo_bind($addrinfo[0]));
 echo "Done";
 --EXPECT--
-object(Socket)#1 (0) {
+object(Socket)#2 (0) {
 }
 Done

ext/sockets/tests/socket_addrinfo_connect.phpt

@@ -14,6 +14,6 @@ $addrinfo = socket_addrinfo_lookup('127.0.0.1', 2000, array(
 var_dump(socket_addrinfo_connect($addrinfo[0]));
 echo "Done";
 --EXPECT--
-object(Socket)#1 (0) {
+object(Socket)#2 (0) {
 }
 Done