name of next.js project cannot start with 'ud'

[Hwlhwlxyz]

Link to the code that reproduces this issue

https://github.com/Hwlhwlxyz/next.js-project-start-with-ud

To Reproduce

1. run npx [email protected], and then set the name to any string start with 'ud', such as 'udv_app'.

C:\temp\nextjs-test>npx [email protected]
Need to install the following packages:
  [email protected]
Ok to proceed? (y) y

√ What is your project named? ... udv_app
√ Would you like to use TypeScript? ... No / Yes
√ Would you like to use ESLint? ... No / Yes
√ Would you like to use Tailwind CSS? ... No / Yes
√ Would you like to use `src/` directory? ... No / Yes
√ Would you like to use App Router? (recommended) ... No / Yes
√ Would you like to customize the default import alias (@/*)? ... No / Yes
Creating a new Next.js app in C:\temp\nextjs-test\udv_app.

Using npm.

Initializing project with template: default


Installing dependencies:
- react
- react-dom
- next



added 22 packages, and audited 23 packages in 12s

3 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities
Initialized a git repository.

Success! Created udv_app at C:\temp\nextjs-test\udv_app

2. After create the project, run npm run dev.
3. open browser, and go to 'http://localhost:3000/'

Here are logs

> [email protected] dev
> next dev

   ▲ Next.js 14.0.1
   - Local:        http://localhost:3000

 ✓ Ready in 3.3s
thread '<unnamed>' panicked at C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rs:3883:53:
byte index 6 is out of bounds of `\ud`
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread '<unnamed>' panicked at C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rs:3883:53:
byte index 6 is out of bounds of `\ud`
thread '<unnamed>' panicked at C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rs:3883thread ':<unnamed>53' panicked at :
C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rsbyte index 6 is out of bounds of `\ud`:3883
:53:
byte index 6 is out of bounds of `\ud`
thread '<unnamed>' panicked at C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rs:3883:53:
byte index 6 is out of bounds of `\ud`
 ⨯ ./src/pages/_app.js
Error: failed to process byte index 6 is out of bounds of `\ud`
 ○ Compiling / ...
thread '<unnamed>' panicked at C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rs:3883:53:
byte index 6 is out of bounds of `\ud`
thread '<unnamed>' panicked at C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rs:3883:53:
byte index 6 is out of bounds of `\ud`
thread 'thread '<unnamed><unnamed>' panicked at ' panicked at C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rsC:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rs::38833883::5353:
:
byte index 6 is out of bounds of `\ud`byte index 6 is out of bounds of `\ud`

thread '<unnamed>' panicked at C:\Users\JayJa\.cargo\registry\src\index.crates.io-6f17d22bba15001f\swc_ecma_codegen-0.146.2\src\lib.rs:3883:53:
byte index 6 is out of bounds of `\ud`
 ⨯ ./src/pages/_app.js
Error: failed to process byte index 6 is out of bounds of `\ud`

Current vs. Expected behavior

If I change the name to other strings without leading 'ud', the project can run.

Verify canary release

• I verified that the issue exists in the latest Next.js canary release

Provide environment information

Operating System:
  Platform: win32
  Arch: x64
  Version: Windows 10 Home
Binaries:
  Node: 18.18.2
  npm: 9.8.1
  Yarn: N/A
  pnpm: 8.4.0
Relevant Packages:
  next: 14.0.1-canary.5
  eslint-config-next: N/A
  react: 18.2.0
  react-dom: 18.2.0
  typescript: N/A
Next.js Config:
  output: N/A

Which area(s) are affected? (Select all that apply)

App Router, CLI (create-next-app)

Additional context

No response

[darklight9811]

Same issue here, tried several versions and couldn't make it work. More precisely it can't contain ud in the path, not just the project itself.

[balazsorban44]

Duplicate of #36078

[github-actions]

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