Second attempt - Ensure the private port number wrap check is inside the critical section in prvGetPrivatePortNumber() (UDP).

FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/FreeRTOS_Sockets.c

@@ -943,10 +943,10 @@ uint16_t usReturn;
 			create first so the early port numbers may still be in use. */
 			usNextPortToUse = socketAUTO_PORT_ALLOCATION_RESET_NUMBER;
 		}
-	}
-	taskEXIT_CRITICAL();
 
 		usReturn = FreeRTOS_htons( usNextPortToUse );
+	}
+	taskEXIT_CRITICAL();
 
 	return usReturn;
 } /* Tested */