diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8960868f..e0ca5128 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
 
         - name: Download dependencies
           run: |
-            apt update && apt install -y python3-pip git python3-rosdep python3-colcon-common-extensions curl ros-$ROS_DISTRO-performance-test-fixture
+            apt update && apt install -y python3-pip git python3-rosdep python3-colcon-common-extensions curl ros-$ROS_DISTRO-performance-test-fixture gcovr
             git clone -b ros2 https://github.com/eProsima/Micro-CDR src/Micro-CDR
             git clone -b ros2 https://github.com/eProsima/Micro-XRCE-DDS-Client src/Micro-XRCE-DDS-Client
             git clone -b rolling https://github.com/micro-ROS/rosidl_typesupport_microxrcedds src/rosidl_typesupport_microxrcedds
@@ -30,7 +30,6 @@ jobs:
             touch src/rosidl_typesupport_microxrcedds/test/COLCON_IGNORE
 
             # Install coverage tools
-            pip3 install gcovr
             . /opt/ros/$ROS_DISTRO/setup.sh
             rosdep init && rosdep update
             rosdep install --from-paths src -r
@@ -46,14 +45,14 @@ jobs:
             colcon test --event-handlers console_direct+ --packages-select=rmw_microxrcedds --return-code-on-test-failure
             ./build/rmw_microxrcedds/test/test-sizes 2> memanalisys_out
 
-        - name: Static memory
-          continue-on-error: true
-          if: github.event_name == 'pull_request'
-          uses: machine-learning-apps/pr-comment@master
-          env:
-            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          with:
-            path: memanalisys_out
+        # - name: Static memory
+        #   continue-on-error: true
+        #   if: github.event_name == 'pull_request'
+        #   uses: machine-learning-apps/pr-comment@master
+        #   env:
+        #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        #   with:
+        #     path: memanalisys_out
 
         - name: Coverage
           run: |
diff --git a/rmw_microxrcedds_c/include/rmw_microros/rmw_microros.h b/rmw_microxrcedds_c/include/rmw_microros/rmw_microros.h
index 3d3e3383..2568f94a 100644
--- a/rmw_microxrcedds_c/include/rmw_microros/rmw_microros.h
+++ b/rmw_microxrcedds_c/include/rmw_microros/rmw_microros.h
@@ -49,7 +49,7 @@ extern "C"
 #elif defined(RMW_UXRCE_TRANSPORT_IPV6)
   #define MAX_IP_LEN         39
 #endif  // ifdef RMW_UXRCE_TRANSPORT_IPV4
-#define MAX_PORT_LEN         5
+#define MAX_PORT_LEN         6  // uint16_t max size + NULL-end string
 #define MAX_SERIAL_DEVICE    50
 
 typedef struct rmw_uxrce_transport_params_t
diff --git a/rmw_microxrcedds_c/src/rmw_graph.c b/rmw_microxrcedds_c/src/rmw_graph.c
index d0a81689..a0b8f748 100644
--- a/rmw_microxrcedds_c/src/rmw_graph.c
+++ b/rmw_microxrcedds_c/src/rmw_graph.c
@@ -84,7 +84,8 @@ rmw_ret_t rmw_graph_init(
   graph_info->datareader_id = uxr_object_id(context->id_datareader++, UXR_DATAREADER_ID);
   const char * graph_topic_name = "ros_to_microros_graph";
   graph_info->graph_type_support =
-    rosidl_typesupport_microxrcedds_c__get_message_type_support_handle__micro_ros_msgs__msg__Graph(); //NOLINT
+    // NOLINTNEXTLINE
+    rosidl_typesupport_microxrcedds_c__get_message_type_support_handle__micro_ros_msgs__msg__Graph();
 
   // Create graph topic request
   graph_info->topic_id = uxr_object_id(context->id_topic++, UXR_TOPIC_ID);
diff --git a/rmw_microxrcedds_c/src/rmw_init.c b/rmw_microxrcedds_c/src/rmw_init.c
index 3312c878..39454f8b 100644
--- a/rmw_microxrcedds_c/src/rmw_init.c
+++ b/rmw_microxrcedds_c/src/rmw_init.c
@@ -91,7 +91,7 @@ rmw_init_options_init(
     return RMW_RET_INVALID_ARGUMENT;
   }
 
-  if (strlen(RMW_UXRCE_DEFAULT_PORT) <= MAX_PORT_LEN) {
+  if (strlen(RMW_UXRCE_DEFAULT_PORT) < MAX_PORT_LEN) {
     snprintf(
       init_options->impl->transport_params.agent_port,
       MAX_PORT_LEN, "%s", RMW_UXRCE_DEFAULT_PORT);
diff --git a/rmw_microxrcedds_c/src/rmw_microros/init_options.c b/rmw_microxrcedds_c/src/rmw_microros/init_options.c
index ef42c080..a26b65d7 100644
--- a/rmw_microxrcedds_c/src/rmw_microros/init_options.c
+++ b/rmw_microxrcedds_c/src/rmw_microros/init_options.c
@@ -97,7 +97,7 @@ rmw_ret_t rmw_uros_options_set_udp_address(
     return RMW_RET_INVALID_ARGUMENT;
   }
 
-  if (port != NULL && strlen(port) <= MAX_PORT_LEN) {
+  if (port != NULL && strlen(port) < MAX_PORT_LEN) {
     snprintf(rmw_options->impl->transport_params.agent_port, MAX_PORT_LEN, "%s", port);
   } else {
     RMW_UROS_TRACE_MESSAGE("default port configuration error")