{ "run_id": "spaxe-dev--zipcheck-claude-haiku-5-5-1793020276752815460", "date": "2026-10-26T13:16:02.836185+00:00", "repo": "spaxe-dev/zipcheck", "kind": "repo", "source": "https://github.com/spaxe-dev/zipcheck", "commit": "4849f93a7e1570582885deca4480d0e97e7c6aa4", "model": "claude-haiku-5-5", "model_version": "claude-haiku-5-5", "test_version": "readme-ca496ea10bb07418d1d8f1c256c2433a55547acc0fb62d8b6d86ae33c976fbfa", "pass": true, "outcome": "pass", "time_to_working_s": 255.7695028660819, "total_s": 286.0833055973053, "steps": [ "cd && pwd && ls -la && id -u && python3 --version && cat README.md 2>/dev/null | head -c 6000", "ls ; ls /inputs 2>/dev/null; echo \"CDP=$CDP_URL\"; curl -s -m 10 -i \"$CDP_URL/json/version\" | head -20", "cd && grep -n \"^## \\|^### \" README.md && sed -n '/^## Install/,/^## Detection rules/p' README.md | head -c 7000", "cd && python3 -m venv 2>&1 | tail -3; -m pip install -q --upgrade pip 2>&1 | tail -3; -m pip install '.[aes]' 2>&1 | tail -5; ls | grep -i zip", "mkdir -p && cd && which zip || (sudo -n apt-get -o DPkg::Lock::Timeout=300 install -y zip >/dev/null 2>&1; which zip); head -c 300000000 /dev/zero | zip -q -9 bomb.zip - ; echo \"hello\" > hello.txt && zip -q small.zip hello.txt; ls -la ", "mkdir -p && cat > <<'EOF'\nimport sys, zipfile\nout = sys.argv[1]\nwith zipfile.ZipFile(out + \"/bomb.zip\", \"w\", zipfile.ZIP_DEFLATED, compresslevel=9) as z:\n z.writestr(\"zeros.bin\", b\"\\0\" * 300_000_000)\nwith zipfile.ZipFile(out + \"/small.zip\", \"w\", zipfile.ZIP_DEFLATED) as z:\n z.writestr(\"hello.txt\", \"hello\\n\")\nEOF\npython3 -I && ls -la && ; echo \"rc=$?\"; ; echo \"rc=$?\"", "cd && sed -n '712,760p' README.md | head -c 4000; echo ----; grep -rniE \"cron|schedul|watch|--once|daemon|webhook\" src README.md | head -20; echo ----; ls tests tools; ls .coldpass", "cd && timeout 900 -m pip install -q -e '.[dev]' 2>&1 | tail -3; timeout 900 -m pytest -q 2>&1 | tail -8", "cd && grep -c -F \"Static zip-bomb / archive-bomb detection that never extracts anything.\" README.md; grep -c -F \"zipcheck --fail-on none archive.zip\" README.md; grep -c -F \"Requires Python 3.10+.\" README.md; --json --fail-on none | head -c 700; echo; echo rc=$?", "cd && Z= && cat > probe.json <\"],\"cwd\":\"\",\"env\":{},\"expected_text\":\"1 suspicious\"}\nEOF\ncat > claims.json <\"],\"cwd\":\"\",\"env\":{},\"expected_text\":\"1 suspicious\"},\n{\"kind\":\"claim\",\"claim\":\"--fail-on none exits 0 even when suspicious\",\"source\":\"zipcheck --fail-on none archive.zip\",\"input\":\"bomb.zip\",\"expected\":\"summary line shows 1 suspicious\",\"probe_kind\":\"cli\",\"argv\":[\"$Z\",\"--fail-on\",\"none\",\"\"],\"cwd\":\"\",\"env\":{},\"expected_text\":\"0 dangerous, 1 suspicious\"}\n]\nEOF\ncat > examples.json <\"],\"cwd\":\"\",\"env\":{},\"expected_text\":\"\\\"verdict\\\": \\\"suspicious\\\"\"},\n{\"kind\":\"example\",\"claim\":\"Repository test suite (documented Development commands)\",\"source\":\"README.md ## Development\",\"input\":\"python -m pytest\",\"expected\":\"tests pass\",\"argv\":[\"\",\"-m\",\"pytest\",\"-q\"],\"cwd\":\"\",\"env\":{}}\n]\nEOF\ncat > cycles.json < -m json.tool $f.json >/dev/null && echo \"$f ok\"; done", "cd && cat > report.json <<'EOF'\n{\"outcome\":\"working\",\"fault_owner\":null,\"operation\":\"Scan an archive for zip-bomb risk with the zipcheck CLI (static metadata check, no extraction)\",\"operation_scope\":\"Linux guest, Python 3.12.3, venv at with zipcheck[aes] 0.3.0 installed from the checkout; sample archives generated in ; no browser or credentials needed\",\"steps\":[\"python3 -m venv \",\" -m pip install '.[aes]' (README Install, from checkout)\",\" -> CLEAN\",\" --fail-on none -> SUSPICIOUS, HIGH_EXPANSION, 1 suspicious\",\" --json --fail-on none -> verdict suspicious\",\"python -m pip install -e '.[dev]' and python -m pytest (README Development)\"],\"deviations\":[\"zip binary not present in the guest, so the bomb fixture was generated with a stdlib zipfile script () instead of the zip CLI\",\"Installed into a venv rather than pipx/uv (both documented; venv is the README pip path)\",\"Did not run tools/generate_samples.py (needs a RAR binary and produces large files); used a 300 MB zero-filled deflate bomb instead\",\"Browser CDP endpoint checked (HTTP 200) but not used; zipcheck is a CLI\"],\"stuck_step\":null,\"main_blocker\":null,\"plain_failure\":null,\"suggested_fix\":\"None required for this run.\"}\nEOF\n -m json.tool report.json >/dev/null && echo report ok; cd && = python3 -I --validate --replay 2>&1 | tail -40" ], "stuck_step": null, "error_excerpt": null, "what_it_did": "Scan an archive for zip-bomb risk with the zipcheck CLI (static metadata check, no extraction)", "suggested_fix": null, "tokens_in": 178877, "tokens_out": 7865, "cost_usd": 0.0101037, "usage_complete": true, "checks": [ { "check": "operation", "status": "PASS", "details": { "working": true, "argv": [ "", "--fail-on", "none", "" ], "kind": "cli", "returncode": 0, "stdout": " SUSPICIOUS \n format: zip (ZIP, 1 parsed entries)\n on disk: 285 KiB\n declared: 286 MiB (1,028:1)\n members: 1\n [MEDIUM] HIGH_EXPANSION: Declared expansion is unusually large\n The archive declares 300000000 bytes of output from 291706 bytes on disk (1,028:1). Extract it only inside a resource-limited sandbox.\n\n1 file(s): 0 dangerous, 1 suspicious, 0 clean, 0 unknown (0.00s)\nuse -v for notes and member samples; --json for machine output", "stderr": "", "needs_credentials": false, "needs_browser": false, "scope": "product operation" } } ], "safety": { "version": "z2x-1", "rules_version": "z2x-1", "summary": "No problems traced to this repository code in these checks.", "expected": "Reviewed as expected for a test run: attempted writes that failed, so nothing was written.", "findings": [], "context": [], "limitations": [ "A short run cannot establish that code is safe.", "Connections show IP addresses; proxies can hide the final hostname.", "Tracing covers dispatched commands and their children, not the whole OS; guest root can interfere with tracing." ], "static": { "dependency_note": "OSV scanned supported lockfiles; unpinned dependencies and unsupported formats are outside this check." }, "evidence_url": "/safety/?run=spaxe-dev--zipcheck-claude-haiku-5-5-1793020276752815460", "evidence_file": "/data/safety/spaxe-dev--zipcheck-claude-haiku-5-5-1793020276752815460.json.gz" }, "agent_execution": "native_agent", "agent_runtime": "claude-code", "agent_runtime_version": "2.1.310 (Claude Code)", "tool_transport": "mcp-assigned-vm", "platform": "linux", "reasoning": "low", "service_tier": null, "resources": { "cpus": 2, "memory_mib": 4096, "disk_mib": 32768 }, "native_tool_calls": 11, "native_bundle": null, "architecture": null, "backend": "hyperv", "platform_details": { "backend": "hyperv", "os": "linux" }, "platform_conflicts": null, "sandbox_source": null, "source_pin": { "commit": "4849f93a7e1570582885deca4480d0e97e7c6aa4", "url": "https://github.com/spaxe-dev/zipcheck" }, "purpose": "initial", "profile": { "model": "claude-haiku-5-5", "reasoning": "low" }, "fault": { "owner": null, "status": "resolved", "reason": null }, "fix_id": null, "verifies_run_id": null, "hosting": null, "operation_scope": "product operation", "tool_calls": 11, "guest_setup": null, "runtime": null, "runtime_version": null, "runtime_revision": null, "source_revision": null, "evidence_version": null, "failure_origin": null, "evidence_strength": "readme_checked", "works": "yes", "install_s": null, "first_use_s": null, "mcp": "none", "needs": [], "needs_which": null, "agent_interface": [ "cli" ], "license": "MIT", "repo_url": "https://github.com/spaxe-dev/zipcheck", "cost_to_try": "free", "hardware": null, "what_failed": null, "local_or_hosted": "local", "cycle_checks": [ { "kind": "cycle", "claim": "Scheduled or looping main behavior", "source": "repository entry points", "input": "source inspection", "expected": "identify the product trigger", "verdict": "yes", "outcome": "Entry points inspected (src/zipcheck CLI, README Usage) and grep for cron/schedule/watch/--once/daemon/webhook found nothing. zipcheck is a one-shot CLI that scans the files it is given and exits; no product scheduler or loop exists.", "evidence": "Entry points inspected (src/zipcheck CLI, README Usage) and grep for cron/schedule/watch/--once/daemon/webhook found nothing. zipcheck is a one-shot CLI that scans the files it is given and exits; no product scheduler or loop exists.", "command": "" } ], "claims": [ { "kind": "claim", "claim": "zipcheck detects a high-expansion zip bomb without extracting it", "source": "Static zip-bomb / archive-bomb detection that never extracts anything.", "input": "bomb.zip declaring 300000000 bytes from 291706 bytes on disk", "expected": "reported as suspicious", "command": " --fail-on none ", "verdict": "yes", "outcome": "Real input produced the expected result: 1 suspicious", "evidence": "1 suspicious, 0 clean, 0 unknown (0.00s)\nuse -v for notes and member samples; --json for machine output\n", "returncode": 0, "source_checked": true, "source_file": "README.md" }, { "kind": "claim", "claim": "--fail-on none exits 0 even when suspicious", "source": "zipcheck --fail-on none archive.zip", "input": "bomb.zip", "expected": "summary line shows 1 suspicious", "command": " --fail-on none ", "verdict": "yes", "outcome": "Real input produced the expected result: 0 dangerous, 1 suspicious", "evidence": "0 dangerous, 1 suspicious, 0 clean, 0 unknown (0.00s)\nuse -v for notes and member samples; --json for machine output\n", "returncode": 0, "source_checked": true, "source_file": "README.md" } ], "claims_note": null, "example_checks": [ { "kind": "example", "claim": "JSON output reports the suspicious verdict for the bomb sample", "source": "README.md ## Usage (--json, machine-readable)", "input": "--json --fail-on none bomb.zip", "command": " --json --fail-on none ", "evidence": "truncated\": false,\n \"findings\": [\n {\n \"code\": \"HIGH_EXPANSION\",\n \"severity\": \"medium\",\n \"severity_value\": 2,\n \"title\": \"Declared expansion is unusually large\",\n \"detail\": \"The archive declares 300000000 bytes of output from 291706 bytes on disk (1,028:1). Extract it only inside a resource-limited sandbox.\",\n \"evidence\": {\n \"declared_uncompressed\": 300000000,\n \"file_size\": 291706,\n \"ratio\": 1028.4327370708863\n }\n }\n ],\n \"nested\": [],\n \"duration_ms\": 3.398\n }\n ]\n}", "deferred": false, "expected": "verdict suspicious in JSON", "returncode": 0, "verdict": "yes", "outcome": "command completed successfully" }, { "kind": "example", "claim": "Repository test suite (documented Development commands)", "source": "README.md ## Development", "input": "python -m pytest", "command": " -m pytest -q", "evidence": "........................................................................ [ 69%]\n................................ [100%]", "deferred": false, "expected": "tests pass", "returncode": 0, "verdict": "yes", "outcome": "command completed successfully" } ], "does_what_it_says": "yes", "maintenance": { "last_commit_at": "2026-10-24T18:58:58Z", "commits_90d": 9, "merged_prs_90d": 0, "open_issues": 0, "open_prs": 0, "reply_share": null, "reply_threads": 0, "median_reply_hours": null, "last_release_at": "2026-10-24T18:57:50Z", "archived": false, "verdict": "maintained", "note": "actively maintained: last commit 1 days ago; 9 commits and 0 merged PRs in 90 days; 0 open issues, 0 open PRs; latest release 2026-10-24" }, "maintenance_verdict": "maintained", "maintenance_note": "actively maintained: last commit 1 days ago; 9 commits and 0 merged PRs in 90 days; 0 open issues, 0 open PRs; latest release 2026-10-24", "maintained": "active", "maintained_note": "last commit 1 days ago", "last_commit_at": "2026-10-24T18:59:02Z", "last_release_at": "2026-10-24T18:57:50Z", "open_issues": null, "answered_issues": null, "platforms_claimed": [ "linux", "mac", "windows" ], "topic": "coding", "agent_interfaces": [ { "interface": "cli", "evidence": "independent checker", "observed": true, "operation_checked": true } ], "agent_interfaces_note": "README metadata is a discovery hint, not pinned documentation proof. Observed interfaces were exercised in this run. An empty list means unknown.", "mcp_context": null, "tested_at": "2026-10-26T13:16:02.836185+00:00", "tested_commit": "4849f93a7e1570582885deca4480d0e97e7c6aa4", "tested_with": { "agent": "claude-code", "agent_version": "2.1.310 (Claude Code)", "model": "claude-haiku-5-5", "model_route": "claude-haiku-5-5", "reasoning": "low", "os": "linux", "backend": "hyperv", "transport": "mcp-assigned-vm" }, "setup_identity": { "repo": "spaxe-dev/zipcheck", "source": "https://github.com/spaxe-dev/zipcheck", "commit": "4849f93a7e1570582885deca4480d0e97e7c6aa4", "source_revision": null, "os": "linux", "architecture": null, "backend": "hyperv", "model": "claude-haiku-5-5", "model_version": "claude-haiku-5-5", "agent_execution": "native_agent", "agent_runtime": "claude-code", "agent_runtime_version": "2.1.310 (Claude Code)", "tool_transport": "mcp-assigned-vm", "runtime": null, "runtime_version": null, "runtime_revision": null, "sandbox_source": null, "guest_setup": null, "source_pin": { "commit": "4849f93a7e1570582885deca4480d0e97e7c6aa4", "url": "https://github.com/spaxe-dev/zipcheck" }, "platform_details": { "os": "linux", "backend": "hyperv" }, "platform_conflicts": null, "reasoning": "low", "service_tier": null, "resources": { "cpus": 2, "memory_mib": 4096, "disk_mib": 32768 }, "operation": "Scan an archive for zip-bomb risk with the zipcheck CLI (static metadata check, no extraction)", "operation_scope": "product operation", "hosting": null, "kind": "repo", "test_version": "readme-ca496ea10bb07418d1d8f1c256c2433a55547acc0fb62d8b6d86ae33c976fbfa", "evidence_version": null }, "other_model": null, "other_run_id": null, "models_agree": null, "furthest_model": null, "transcript_url": "/transcripts/spaxe-dev--zipcheck-claude-haiku-5-5-1793020276752815460.txt", "report_url": "/reports/spaxe-dev--zipcheck-claude-haiku-5-5-1793020276752815460.json" }