Rename workspaceRoot to workspaceFolder, as the former has been deprecated. Add "workspaceFolder" back in as environment variable (needed due to the SELinux workaround used).

.devcontainer/devcontainer.json

@@ -21,6 +21,10 @@
     "--volume=${localWorkspaceFolder}:/workspaces/${localWorkspaceFolderBasename}:Z"
   ],
 
+  "containerEnv": {
+    "workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+  },
+
   // Set *default* container specific settings.json values on container create.
   "settings": {
     "lldb.executable": "/usr/bin/lldb",

.vscode/launch.json

@@ -5,11 +5,12 @@
             "name": "it9910hd_fusefs",
             "request": "launch",
             "type": "gdb",
-            "target": "${workspaceRoot}/target/debug/it9910hd_fusefs",
-            "cwd": "${workspaceRoot}",
+            "target": "${workspaceFolder}/target/debug/it9910hd_fusefs",
+            "cwd": "${workspaceFolder}",
             "env": {
                 "RUST_BACKTRACE": "1"
             },
+            "arguments": "./video",
             "preLaunchTask": "build_it9910hd_fusefs"
         },
     ]