Extension Fails to Activate

[Khrig]

Environment

• OS and Version:
  NAME="Red Hat Enterprise Linux"
  VERSION="9.6 (Plow)"
  ID="rhel"
  ID_LIKE="fedora"
  VERSION_ID="9.6"
  PLATFORM_ID="platform:el9"

• VS Code Version: 1.111.0

• C/C++ Extension Version: 1.30.5

• If using SSH remote, specify OS of remote machine:

Bug Summary and Steps to Reproduce

Bug Summary:

Extension Fails to Activate if .editorconfig exists anywhere between workspace and root as a directory - if it doesnt exist as a file.

Steps to reproduce:

1. Create a workspace
2. make sure no .editorconfig file exists in between root and workspace and create it as a directory
3. Activate extension
4. See error

would be preferable for the .editorconfig folder to be ignored and emit a warning

Configuration and Logs

2026-03-10 10:19:22.129 [error] Activating extension ms-vscode.cpptools failed due to an error:
2026-03-10 10:19:22.129 [error] Error: EISDIR: illegal operation on a directory, read
    at Object.readFileSync (node:fs:440:20)
    at getEditorConfig (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:63558:42)
    at getEditorConfigSettings (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:63595:32)
    at findConfigFile (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:23880:89)
    at CppSettings.useVcFormat (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:23918:17)
    at DefaultClient.updateActiveDocumentTextOptions (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:69273:26)
    at new DefaultClient (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:67851:14)
    at Object.createClient (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:67442:12)
    at /tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:115411:44
    at Array.forEach (<anonymous>)
    at new ClientCollection (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:115410:47)
    at Object.activate (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:11352:23)
    at activate (/tmp/.vscode-server/extensions/ms-vscode.cpptools-1.30.5-linux-x64/dist/src/main.js:120762:30)
    at async zv._activate (file:///tmp/.vscode-server/cli/servers/Stable-ce099c1ed25d9eb3076c11e4a280f3eb52b4fbeb/server/out/vs/workbench/api/node/extensionHostProcess.js:494:15965)
    at async zv._waitForDepsThenActivate (file:///tmp/.vscode-server/cli/servers/Stable-ce099c1ed25d9eb3076c11e4a280f3eb52b4fbeb/server/out/vs/workbench/api/node/extensionHostProcess.js:494:15907)
    at async zv._initialize (file:///tmp/.vscode-server/cli/servers/Stable-ce099c1ed25d9eb3076c11e4a280f3eb52b4fbeb/server/out/vs/workbench/api/node/extensionHostProcess.js:494:15274)

Other Extensions

No response

Additional context

No response

[sean-mcmanus]

@Khrig Thanks for reporting this. A pending fix is at #14257 .