openai/codex · error · anyhow::Error

ConvertStringSidToSidW failed: {}

Error message

ConvertStringSidToSidW failed: {}

What it means

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

Source

Thrown at codex-rs/windows-sandbox-rs/src/bin/setup_main/win.rs:344

            FILE_GENERIC_READ | FILE_GENERIC_WRITE | FILE_GENERIC_EXECUTE | DELETE,
            GRANT_ACCESS,
        ),
        (
            admins_sid,
            FILE_GENERIC_READ | FILE_GENERIC_WRITE | FILE_GENERIC_EXECUTE | DELETE,
            GRANT_ACCESS,
        ),
        (real_sid, real_user_mask, GRANT_ACCESS),
    ];
    unsafe {
        let mut eas: Vec<EXPLICIT_ACCESS_W> = Vec::new();
        let mut sids: Vec<*mut c_void> = Vec::new();
        for (sid_bytes, mask, access_mode) in entries.iter().map(|(s, m, a)| (s, *m, *a)) {
            let sid_str = string_from_sid_bytes(sid_bytes).map_err(anyhow::Error::msg)?;
            let sid_w = to_wide(OsStr::new(&sid_str));
            let mut psid: *mut c_void = std::ptr::null_mut();
            if ConvertStringSidToSidW(sid_w.as_ptr(), &mut psid) == 0 {
                return Err(anyhow::anyhow!(
                    "ConvertStringSidToSidW failed: {}",
                    GetLastError()
                ));
            }
            sids.push(psid);
            eas.push(EXPLICIT_ACCESS_W {
                grfAccessPermissions: mask,
                grfAccessMode: access_mode,
                grfInheritance: OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE,
                Trustee: TRUSTEE_W {
                    pMultipleTrustee: std::ptr::null_mut(),
                    MultipleTrusteeOperation: 0,
                    TrusteeForm: TRUSTEE_IS_SID,
                    TrusteeType: TRUSTEE_IS_SID,
                    ptstrName: psid as *mut u16,
                },
            });
        }

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/bin/setup_main/win.rs:344 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/b3739932e80a31d7. Report an issue: GitHub.