openai/codex · error · SetupFailure

HelperReadAclHelperSpawnFailed

HelperReadAclHelperSpawnFailed

Error message

spawn read ACL helper failed: {err}

What it means

Error "spawn read ACL helper failed: {err}" thrown in openai/codex.

Source

Thrown at codex-rs/windows-sandbox-rs/src/bin/setup_main/win.rs:820

    }
    .context("apply deny-read ACLs")?;
    if !applied_deny_read_paths.is_empty() {
        log_line(
            log,
            &format!("applied {} deny-read ACLs", applied_deny_read_paths.len()),
        )?;
    }

    if payload.read_roots.is_empty() {
        log_line(log, "no read roots to grant; skipping read ACL helper")?;
    } else {
        match read_acl_mutex_exists() {
            Ok(true) => {
                log_line(log, "read ACL helper already running; skipping spawn")?;
            }
            Ok(false) => {
                spawn_read_acl_helper(payload, log).map_err(|err| {
                    anyhow::Error::new(SetupFailure::new(
                        SetupErrorCode::HelperReadAclHelperSpawnFailed,
                        format!("spawn read ACL helper failed: {err}"),
                    ))
                })?;
            }
            Err(err) => {
                log_line(
                    log,
                    &format!("read ACL mutex check failed: {err}; spawning anyway"),
                )?;
                spawn_read_acl_helper(payload, log).map_err(|spawn_err| {
                    anyhow::Error::new(SetupFailure::new(
                        SetupErrorCode::HelperReadAclHelperSpawnFailed,
                        format!(
                            "spawn read ACL helper failed after mutex error {err}: {spawn_err}"
                        ),
                    ))
                })?;

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/bin/setup_main/win.rs:820 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/91e9e94978b082ac. Report an issue: GitHub.