openai/codex · error · SandboxErr

seccomp backend error

Error message

seccomp backend error

What it means

Error "seccomp backend error" thrown in openai/codex.

Source

Thrown at codex-rs/protocol/src/error.rs:54

pub enum SandboxErr {
    /// Error from sandbox execution
    #[error(
        "sandbox denied exec error, exit code: {}, stdout: {}, stderr: {}",
        .output.exit_code, .output.stdout.text, .output.stderr.text
    )]
    Denied {
        output: Box<ExecToolCallOutput>,
        network_policy_decision: Option<NetworkPolicyDecisionPayload>,
    },

    /// Error from linux seccomp filter setup
    #[cfg(target_os = "linux")]
    #[error("seccomp setup error")]
    SeccompInstall(#[from] seccompiler::Error),

    /// Error from linux seccomp backend
    #[cfg(target_os = "linux")]
    #[error("seccomp backend error")]
    SeccompBackend(#[from] seccompiler::BackendError),

    /// Command timed out
    #[error("command timed out")]
    Timeout { output: Box<ExecToolCallOutput> },

    /// Command was killed by a signal
    #[error("command was killed by a signal")]
    Signal(i32),

    /// Error from linux landlock
    #[error("Landlock was not able to fully enforce all sandbox rules")]
    LandlockRestrict,
}

pub struct CodexErr {
    details: CodexErrorDetails,
    retry_delay: Option<Duration>,

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/protocol/src/error.rs:54 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/0d52c957a8261acd. Report an issue: GitHub.