diff --git a/src/daemon/cri/cri_container.cc b/src/daemon/cri/cri_container.cc
index df420c6e4c9d351b64087d402c0dbc2c88106f9e..9505e34f7c9561336107557ffb961448cd5d293d 100644
--- a/src/daemon/cri/cri_container.cc
+++ b/src/daemon/cri/cri_container.cc
@@ -891,6 +891,29 @@ void CRIRuntimeServiceImpl::PackContainerStatsAttributes(
     }
 }
 
+static void SetFsUsage(const imagetool_fs_info *fs_usage, std::unique_ptr<runtime::v1alpha2::ContainerStats> &container)
+{
+    if (fs_usage == nullptr || fs_usage->image_filesystems[0] == nullptr) {
+        container->mutable_writable_layer()->mutable_used_bytes()->set_value(0);
+        container->mutable_writable_layer()->mutable_inodes_used()->set_value(0);
+        return;
+    }
+
+    if (fs_usage->image_filesystems[0]->used_bytes == nullptr) {
+        container->mutable_writable_layer()->mutable_used_bytes()->set_value(0);
+    } else {
+        container->mutable_writable_layer()->mutable_used_bytes()->set_value(
+            fs_usage->image_filesystems[0]->used_bytes->value);
+    }
+
+    if (fs_usage->image_filesystems[0]->inodes_used == nullptr) {
+        container->mutable_writable_layer()->mutable_inodes_used()->set_value(0);
+    } else {
+        container->mutable_writable_layer()->mutable_inodes_used()->set_value(
+            fs_usage->image_filesystems[0]->inodes_used->value);
+    }
+}
+
 void CRIRuntimeServiceImpl::PackContainerStatsFilesystemUsage(
     const char *id, const char *image_type,
     std::unique_ptr<runtime::v1alpha2::ContainerStats> &container,
@@ -905,21 +928,7 @@ void CRIRuntimeServiceImpl::PackContainerStatsFilesystemUsage(
         ERROR("Failed to get container filesystem usage");
     }
 
-    if (fs_usage == nullptr) {
-        container->mutable_writable_layer()->mutable_used_bytes()->set_value(0);
-        container->mutable_writable_layer()->mutable_inodes_used()->set_value(0);
-    } else {
-        if (fs_usage->image_filesystems[0]->used_bytes->value) {
-            container->mutable_writable_layer()->mutable_used_bytes()->set_value(
-                fs_usage->image_filesystems[0]->used_bytes->value);
-        }
-
-        if (fs_usage->image_filesystems[0]->inodes_used->value) {
-            container->mutable_writable_layer()->mutable_inodes_used()->set_value(
-                fs_usage->image_filesystems[0]->inodes_used->value);
-        }
-    }
-
+    SetFsUsage(fs_usage, container);
     free_imagetool_fs_info(fs_usage);
 }
 
diff --git a/src/daemon/image/oci/storage/layer_store/graphdriver/devmapper/deviceset.c b/src/daemon/image/oci/storage/layer_store/graphdriver/devmapper/deviceset.c
index 06b16e42b8414218e71877cf8ed0589ebc99baf3..8654e450ae4fa128d6a430e5f90e66b5d531189c 100644
--- a/src/daemon/image/oci/storage/layer_store/graphdriver/devmapper/deviceset.c
+++ b/src/daemon/image/oci/storage/layer_store/graphdriver/devmapper/deviceset.c
@@ -789,6 +789,7 @@ static void construct_device_id_map(struct device_set *devset)
         mark_device_id_used(devset, device_info->info->device_id);
         devmapper_device_info_ref_dec(device_info);
     }
+    util_free_array(dev_arr);
 }
 
 static void count_deleted_devices(struct device_set *devset)
@@ -812,6 +813,7 @@ static void count_deleted_devices(struct device_set *devset)
         }
         devmapper_device_info_ref_dec(device_info);
     }
+    util_free_array(dev_arr);
 }
 
 static int remove_transaction_metadata(struct device_set *devset)
@@ -2383,6 +2385,8 @@ static int do_check_all_devices(struct device_set *devset)
         if (!util_has_prefix(devices_list[i], devset->device_prefix)) {
             continue;
         }
+        UTIL_FREE_AND_SET_NULL(target_type);
+        UTIL_FREE_AND_SET_NULL(params);
         if (dev_get_status(&start, &length, &target_type, &params, devices_list[i]) != 0) {
             WARN("devmapper: get device status %s failed", devices_list[i]);
             continue;