openai/codex · error

CreateWellKnownSid failed: {}

Error message

CreateWellKnownSid failed: {}

What it means

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

Source

Thrown at codex-rs/windows-sandbox-rs/src/token.rs:125

}

pub unsafe fn world_sid() -> Result<Vec<u8>> {
    let mut size: u32 = 0;
    CreateWellKnownSid(
        WIN_WORLD_SID,
        std::ptr::null_mut(),
        std::ptr::null_mut(),
        &mut size,
    );
    let mut buf: Vec<u8> = vec![0u8; size as usize];
    let ok = CreateWellKnownSid(
        WIN_WORLD_SID,
        std::ptr::null_mut(),
        buf.as_mut_ptr() as *mut c_void,
        &mut size,
    );
    if ok == 0 {
        return Err(anyhow!("CreateWellKnownSid failed: {}", GetLastError()));
    }
    Ok(buf)
}

/// # Safety
/// Caller is responsible for freeing the returned SID with `LocalFree`.
pub unsafe fn convert_string_sid_to_sid(s: &str) -> Option<*mut c_void> {
    #[link(name = "advapi32")]
    unsafe extern "system" {
        fn ConvertStringSidToSidW(StringSid: *const u16, Sid: *mut *mut c_void) -> i32;
    }
    let mut psid: *mut c_void = std::ptr::null_mut();
    let ok = unsafe { ConvertStringSidToSidW(to_wide(s).as_ptr(), &mut psid) };
    if ok != 0 { Some(psid) } else { None }
}

/// Owns a SID allocated by `ConvertStringSidToSidW` and releases it with `LocalFree`.
pub struct LocalSid {

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/token.rs:125 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/79e0fcb5c62ccef2. Report an issue: GitHub.