KB-19FE

Sandbox Host Attestation for Phase-2 Offline MVP — machine mirror (PARTIAL)

7 min read Revision 1
tool-kiem-thusandbox-attestationB4-primejsonmachine-readablepartial2026-06-09

{ "macro": "PROGRAM_MACRO_PROVISION_AND_ATTEST_DENY_BY_DEFAULT_SANDBOX_FOR_PHASE2_OFFLINE_MVP_2026_06_09", "date": "2026-06-09", "mode": "READ_ONLY", "final_status": "SANDBOX_ATTESTATION_PARTIAL", "b4_prime": "BLOCKED", "production_mutation": false, "codex_consulted": false, "install_or_system_mutation": false, "container_created_by_agent": false, "evidence_only_not_authority": true, "decisive_constraint": { "agent_can_provision_or_run_sandbox": false, "vps_docker_surface": "read_only_by_design (list_docker socket mounted read-only; no run/exec/create tool; write_file is text-only to /opt/incomex/docs/mcp-writes)", "local_mac": "docker CLI installed but daemon not running; no podman; local venue rejected as B4-prime substitute per owner direction (Article-14 venue-confusion risk)", "architecture": "operator-provisions -> agent-verifies (rev4/operator-packet: agent does not run the sandbox itself)" }, "track1_kb_readback": { "verdict": "PASS", "docs": [ {"path": "reports/sandbox-feasibility-and-phase2-build-go-decision-2026-06-09.md", "exists": true, "status": "SANDBOX_DECISION_READY / build-go B", "contradiction": false}, {"path": "checkpoints/operator-action-packet-sandbox-host-for-phase2-mvp-2026-06-09.md", "exists": true, "status": "active", "contradiction": false}, {"path": "planning/build-offline-packet-mvp-with-guard-harness-program-macro-prompt-2026-06-09.md", "exists": true, "status": "BUILD_PROMPT_READY_GATED", "contradiction": false}, {"path": "designs/implementation-package-dot-v0-1-gap-only-scope-spec-rev4-2026-06-09.md", "exists": true, "status": "REV4_READY_FOR_CODEX", "contradiction": false}, {"path": "designs/acceptance-test-matrix-implementation-package-dot-v0-1-rev4-2026-06-09.md", "exists": true, "status": "ACCEPTANCE_MATRIX_v0_1_REV4_READY_FOR_CODEX", "contradiction": false}, {"path": "00-index.md", "exists": true, "status": "rev77", "contradiction": false} ] }, "track2_runtime_discovery": { "verdict": "RUNTIME_PRESENT_BUT_NOT_AGENT_REACHABLE", "method": "governed-native list_docker (read-only) + tool-surface inspection + local docker info", "docker_runtime_present": true, "container_count": 11, "ephemeral_test_container_observed": "pg-restore-test-20260520T031054Z", "install_needed": false, "agent_can_create_disposable_container": false, "agent_provisioning_permission_via_tools": "none_exposed", "existing_containers_networks_volumes": "untouched (no mutating docker call issued)", "provisioning_is": "operator_resource_action" }, "track3_sandbox_profile": { "verdict": "SPECIFIED_REPRODUCIBLE_ATTESTABLE_NOT_RUN", "artifact": "designs/deny-by-default-sandbox-profile-phase2-offline-mvp-2026-06-09.md", "covers": ["no_network", "ro_input_mount", "wo_output_mount", "no_home_project_etc_secret_mounts", "scrubbed_env", "cap_drop_all", "no_new_privileges", "seccomp_deny_execve_socket_connect_bind_ptrace", "read_only_rootfs", "tmpfs_noexec", "no_docker_socket", "no_host_namespaces", "resource_limits"], "options": {"B_docker_podman": "primary", "C_bubblewrap": "fallback", "D_ci_runner": "acceptance_venue_fallback"} }, "track4_attestation_tests": { "verdict": "NOT_EXECUTED_BY_AGENT_NO_EXECUTION_SURFACE", "tests_run": 0, "tests_specified": 12, "probes": ["PR-NET-1", "PR-NET-2", "PR-SOCK-1", "PR-ENV-1", "PR-FS-RO-IN", "PR-FS-ESC-1", "PR-FS-ESC-2", "PR-FS-OUT-OK", "PR-EXEC-1", "PR-MOUNT-1", "PR-SOCK-DOCKER", "PR-PTRACE-1"], "l1_tests_bound": "#24-#37 (rev4 matrix); specific: #25/#27/#28/#29/#33/#34/#35/#37", "note_35": "PR-DYNIMPORT is L2 build-time guard, not an OS probe; flagged so #35 not silently dropped", "completion_excludes": ["docker_exists", "a_container_can_run", "design_says_no_network", "report_says_sandbox_possible", "we_think_it_is_safe"] }, "track5_build_precondition_update": { "build_prompt_v2_created": false, "reason": "deliverable conditional on attestation; attestation did not occur", "hard_precondition_2_sandbox_attested": "UNMET", "build_state": "BLOCKED (rev4 §21 hard fallback B)" }, "track6_article13": {"verdict": "PASS", "kb_first": true, "no_local_first_authority": true, "artifacts_evidence_only": true, "no_shadow_ssot": true}, "track7_article14": {"verdict": "PASS", "no_prose_only_pass": true, "every_claim_has_evidence": true, "no_fake_green": true, "no_unsupported_build_authorization": true, "no_hidden_mutation": true, "venue_honesty": true}, "self_check": { "1_kb_first": true, "2_no_codex": true, "3_no_install": true, "4_no_prod_mutation": true, "5_no_mvp_impl": true, "6_only_disposable_tests_specified_none_run": true, "7_boundaries_proven": false, "8_evidence_paths_recorded": true, "9_article13": true, "10_article14": true, "11_no_fake_green": true, "12_next_step_unambiguous": true, "result": "item_7_NO -> SANDBOX_ATTESTATION_PARTIAL" }, "failure_classification": "OWNER_OPERATOR_REQUIRED + INSUFFICIENT_NO_AGENT_EXECUTION_SURFACE", "remaining_blockers": [ {"id": "B4-prime", "kind": "load-bearing", "state": "BLOCKED", "action": "operator runs profile §5-§6 on approved venue (VPS Option-B throwaway container or Option-D CI runner) and returns §7 evidence; gates build acceptance"}, {"id": "B0-triple-prime", "kind": "parallel-authority", "state": "WAIVED_FOR_THIS_SCOPE", "action": "Codex rev4 re-seal waived for Phase-2 offline-MVP prep only; usable later after sandbox/test evidence exists"} ], "venue_rule": "approved venue = VPS/operator host (isolated throwaway container) OR approved CI deny-by-default runner; Mac-local evidence MUST NOT substitute", "deliverables": { "attestation_report_md": "reports/sandbox-host-attestation-for-phase2-offline-mvp-2026-06-09.md", "attestation_report_json": "reports/sandbox-host-attestation-for-phase2-offline-mvp-2026-06-09.json", "sandbox_profile": "designs/deny-by-default-sandbox-profile-phase2-offline-mvp-2026-06-09.md", "build_gate_checkpoint": "checkpoints/checkpoint-sandbox-attestation-phase2-offline-mvp-2026-06-09.md", "operator_blocker_packet": "checkpoints/operator-blocker-packet-sandbox-attestation-2026-06-09.md", "build_prompt_v2": null, "index_updated": "00-index.md" }, "minimal_safe_next_step": "Operator runs the operator-blocker-packet on VPS/approved CI runner and returns the §7 evidence bundle; a follow-up agent verifies read-only and binds to matrix #24-#37 before any B4′ acceptance. Do not run the MVP build until then." }

Back to Knowledge Hub knowledge/dev/laws/tool-kiem-thu/reports/sandbox-host-attestation-for-phase2-offline-mvp-2026-06-09.json