openai/codex · error · io::Error

no-follow filesystem operations require an absolute path

Error message

no-follow filesystem operations require an absolute path

What it means

Error "no-follow filesystem operations require an absolute path" thrown in openai/codex.

Source

Thrown at codex-rs/exec-server/src/no_follow/windows.rs:80

unsafe extern "system" {
    fn NtCreateFile(
        file_handle: *mut HANDLE,
        desired_access: u32,
        object_attributes: *const ObjectAttributes,
        io_status_block: *mut IO_STATUS_BLOCK,
        allocation_size: *const i64,
        file_attributes: u32,
        share_access: u32,
        create_disposition: u32,
        create_options: u32,
        ea_buffer: *const c_void,
        ea_length: u32,
    ) -> NTSTATUS;
}

fn nt_path(path: &Path) -> io::Result<Vec<u16>> {
    if !path.is_absolute() {
        return Err(io::Error::new(
            io::ErrorKind::InvalidInput,
            "no-follow filesystem operations require an absolute path",
        ));
    }

    let (prefix, source_offset) = match path.components().next() {
        Some(Component::Prefix(prefix)) => match prefix.kind() {
            Prefix::Disk(_) => ("\\??\\", 0),
            Prefix::VerbatimDisk(_) => ("\\??\\", 4),
            Prefix::UNC(_, _) => ("\\??\\UNC\\", 2),
            Prefix::VerbatimUNC(_, _) => ("\\??\\UNC\\", 8),
            _ => {
                return Err(io::Error::new(
                    io::ErrorKind::InvalidInput,
                    "no-follow filesystem operations require a local disk or UNC path",
                ));
            }
        },

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/exec-server/src/no_follow/windows.rs:80 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/3b8a9004ed27d03b. Report an issue: GitHub.