openai/codex · error · io::Error

filesystem path is too long

Error message

filesystem path is too long

What it means

Error "filesystem path is too long" thrown in openai/codex.

Source

Thrown at codex-rs/exec-server/src/no_follow/windows.rs:132

                    b'\\' as u16
                } else {
                    unit
                }
            }),
    );
    result.push(0);
    Ok(result)
}

fn open_handle(
    path: &Path,
    desired_access: u32,
    create_disposition: u32,
    create_options: u32,
) -> io::Result<OwnedHandle> {
    let mut path = nt_path(path)?;
    let name_length = u16::try_from((path.len() - 1) * size_of::<u16>())
        .map_err(|_| io::Error::new(io::ErrorKind::InvalidInput, "filesystem path is too long"))?;
    let maximum_length = u16::try_from(path.len() * size_of::<u16>())
        .map_err(|_| io::Error::new(io::ErrorKind::InvalidInput, "filesystem path is too long"))?;
    let object_name = UNICODE_STRING {
        Length: name_length,
        MaximumLength: maximum_length,
        Buffer: path.as_mut_ptr(),
    };
    let security_quality_of_service = SECURITY_QUALITY_OF_SERVICE {
        Length: size_of::<SECURITY_QUALITY_OF_SERVICE>() as u32,
        ImpersonationLevel: SecurityIdentification,
        ContextTrackingMode: SECURITY_STATIC_TRACKING,
        EffectiveOnly: BOOLEAN_TRUE,
    };
    let object_attributes = ObjectAttributes {
        length: size_of::<ObjectAttributes>() as u32,
        root_directory: 0,
        object_name: &object_name,
        attributes: OBJ_CASE_INSENSITIVE as u32 | OBJ_DONT_REPARSE as u32,

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/exec-server/src/no_follow/windows.rs:132 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/496a5222d767ce51. Report an issue: GitHub.