openai/codex · error

OpenProcessToken failed: {}

Error message

OpenProcessToken failed: {}

What it means

Error "OpenProcessToken failed: {}" thrown in openai/codex.

Source

Thrown at codex-rs/windows-sandbox-rs/src/token.rs:189

pub unsafe fn get_current_token_for_restriction() -> Result<HANDLE> {
    let desired = TOKEN_DUPLICATE
        | TOKEN_QUERY
        | TOKEN_ASSIGN_PRIMARY
        | TOKEN_ADJUST_DEFAULT
        | TOKEN_ADJUST_SESSIONID
        | TOKEN_ADJUST_PRIVILEGES;
    let mut h: HANDLE = 0;
    #[link(name = "advapi32")]
    unsafe extern "system" {
        fn OpenProcessToken(
            ProcessHandle: HANDLE,
            DesiredAccess: u32,
            TokenHandle: *mut HANDLE,
        ) -> i32;
    }
    let ok = unsafe { OpenProcessToken(GetCurrentProcess(), desired, &mut h) };
    if ok == 0 {
        return Err(anyhow!("OpenProcessToken failed: {}", GetLastError()));
    }
    Ok(h)
}

pub unsafe fn get_logon_sid_bytes(h_token: HANDLE) -> Result<Vec<u8>> {
    unsafe fn scan_token_groups_for_logon(h: HANDLE) -> Option<Vec<u8>> {
        let mut needed: u32 = 0;
        GetTokenInformation(h, TokenGroups, std::ptr::null_mut(), 0, &mut needed);
        if needed == 0 {
            return None;
        }
        let mut buf: Vec<u8> = vec![0u8; needed as usize];
        let ok = GetTokenInformation(
            h,
            TokenGroups,
            buf.as_mut_ptr() as *mut c_void,
            needed,
            &mut needed,

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/token.rs:189 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/02dc0a9a619f71dc. Report an issue: GitHub.