        path: f.replace(/^(\/|[a-z]:\\\\){4}/, ''),
        mode: 0o644,
        size: 512,
        linkpath: null,
        uname: 'isaacs',
        gname: null,
        devmaj: 0,
        devmin: 0,
      })
      t.end()
    })
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.