openai/codex · error · anyhow::Error

SetEntriesInAclW sandbox dir failed: {set}

Error message

SetEntriesInAclW sandbox dir failed: {set}

What it means

Error "SetEntriesInAclW sandbox dir failed: {set}" thrown in openai/codex.

Source

Thrown at codex-rs/windows-sandbox-rs/src/bin/setup_main/win.rs:371

                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,
                },
            });
        }
        let mut new_dacl: *mut ACL = std::ptr::null_mut();
        let set = SetEntriesInAclW(
            eas.len() as u32,
            eas.as_ptr(),
            std::ptr::null_mut(),
            &mut new_dacl,
        );
        if set != 0 {
            return Err(anyhow::anyhow!(
                "SetEntriesInAclW sandbox dir failed: {set}",
            ));
        }
        let (res, api) = match directory.as_ref() {
            Some(directory) => (
                SetSecurityInfo(
                    directory.as_raw_handle() as _,
                    SE_FILE_OBJECT,
                    DACL_SECURITY_INFORMATION,
                    std::ptr::null_mut(),
                    std::ptr::null_mut(),
                    new_dacl,
                    std::ptr::null_mut(),
                ),
                "SetSecurityInfo",
            ),
            None => {
                let path_w = to_wide(dir.as_os_str());

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/bin/setup_main/win.rs:371 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/aa9874cf41c24787. Report an issue: GitHub.