fix(security-scan): use current OSV output flags and bind SARIF upload to the head checkout - #2143
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…d to the head checkout Closes #2132. The pinned ghcr.io/google/osv-scanner-action:v2.5.1 image warns on every run that `--output` is deprecated in favor of `--output-file` (scanner) and `--output-files` (reporter); a bare `--output-files=<path>` defaults to the sarif format in v2.5.1 (cmd/osv-reporter/main.go: format := "sarif" unless a `format:` prefix is given), so the reporter output is byte-for-byte the same file. The exact base/head checkouts live in `source`, not the workspace root, so `upload-sarif` resolved commit identity against a non-repository and logged "does not appear to be a git repository" twice before falling back to the caller-supplied sha; `checkout_path` now names the real checkout. Contract: the new test pins the non-deprecated flags, rejects the deprecated ones, and derives the required `checkout_path` from the head checkout step's own `path:` (removing the binding makes it fail — verified RED before GREEN). Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review. 📝 WalkthroughWalkthroughOSV 스캔의 출력 플래그를 현재 옵션으로 변경했습니다. SARIF 업로드에 정확한 헤드 체크아웃 경로를 전달했습니다. 워크플로 계약 테스트가 새 옵션과 경로 연결을 검증합니다. ChangesOSV 스캔 워크플로 계약
Priority: ➖ Normal Estimated code review effort: 2 (Simple) | ~10 minutes Change: Bug fix · Severity of issue fixed: Medium Merge Risk: ⚪ Minimal · up to The OSV workflow update preserves the artifact flow and uploads SARIF against the exact head checkout path. No merge-blocking risk was identified. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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In `@tests/test_required_workflow_queue_contract.py`:
- Around line 1757-1759: Update the workflow contract test to inspect each named
OSV base, head, and retry step individually, asserting its expected
--output-file value rather than relying on whole-workflow counts; also assert
--output-files=results.sarif specifically within the “Report PR-introduced OSV
findings” step.
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…sarif-checkout-path-2132
CodeRabbit on #2143: whole-workflow counts could pass if the same string appeared in another step or log line while a scanner or reporter step lost its flag. Check the four scan/retry steps and the reporter step by name. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Strix on head Not neutralized here. Because the classifier block must stay byte-identical across |
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Noema LLM review
The PR correctly migrates the pinned OSV scanner/reporter actions off the deprecated --output flag: the four scanner/retry steps now use --output-file=... and the reporter now uses --output-files=results.sarif. It also binds upload-sarif to the exact head checkout via checkout_path: ${{ github.workspace }}/source, matching the path used by the Checkout head step and preventing fallback to server-derived commit identity. The tests were updated to assert the new flags at each named step individually, reject the deprecated --output= scalar, and derive the checkout-path binding from the actual checkout step, making the assertions falsifiable. No correctness, security, or behavioral regressions were found.
Reviewed changed lines
.github/workflows/security-scan.yml:167 (RIGHT): Replaced deprecated --output=old-results.json with --output-file=old-results.json in the 'Scan base with OSV' step..github/workflows/security-scan.yml:185 (RIGHT): Replaced deprecated flag with --output-file=old-results.json in 'Retry base OSV without transitive resolution'..github/workflows/security-scan.yml:218 (RIGHT): Replaced deprecated flag with --output-file=new-results.json in 'Scan head with OSV'..github/workflows/security-scan.yml:236 (RIGHT): Replaced deprecated flag with --output-file=new-results.json in 'Retry head OSV without transitive resolution'..github/workflows/security-scan.yml:289 (RIGHT): Replaced deprecated reporter flag with current --output-files=results.sarif in 'Report PR-introduced OSV findings'..github/workflows/security-scan.yml:326 (RIGHT): Added checkout_path: ${{ github.workspace }}/source to bind SARIF upload to the exact head checkout directory..github/workflows/security-scan.yml:327 (RIGHT): checkout_path is placed in the samewith:block as sarif_file, applying to the same upload-sarif action invocation..github/workflows/security-scan.yml:328 (RIGHT): Comment explains why checkout_path is needed, preventing silent regression to server-derived commit identity.tests/test_required_workflow_queue_contract.py:1677 (RIGHT): Global-count assertion updated to expect two --output-file=old-results.json occurrences, matching the two base OSV steps.tests/test_required_workflow_queue_contract.py:1678 (RIGHT): Global-count assertion updated to expect two --output-file=new-results.json occurrences, matching the two head OSV steps.tests/test_required_workflow_queue_contract.py:1735 (RIGHT): Retry-contract test migrated to expect new base flag --output-file=old-results.json.tests/test_required_workflow_queue_contract.py:1736 (RIGHT): Retry-contract test migrated to expect new head flag --output-file=new-results.json.tests/test_required_workflow_queue_contract.py:1741 (RIGHT): New test docstring cites live failure evidence for deprecated flags and missing checkout binding.tests/test_required_workflow_queue_contract.py:1742 (RIGHT): Docstring explains --output-files defaults to SARIF format in the pinned version, confirming behavioral equivalence.tests/test_required_workflow_queue_contract.py:1743 (RIGHT): Test frames the checkout-path assertion as a negative fixture, ensuring falsifiability.tests/test_required_workflow_queue_contract.py:1744 (RIGHT): Test loads the committed workflow file once, running assertions against source of truth.tests/test_required_workflow_queue_contract.py:1745 (RIGHT): Test defines a tuple mapping each of the five OSV steps to its expected current output flag.tests/test_required_workflow_queue_contract.py:1746 (RIGHT): First tuple maps 'Scan base with OSV' to --output-file=old-results.json.tests/test_required_workflow_queue_contract.py:1747 (RIGHT): Second tuple maps 'Retry base OSV without transitive resolution' to --output-file=old-results.json.tests/test_required_workflow_queue_contract.py:1748 (RIGHT): Third tuple maps 'Scan head with OSV' to --output-file=new-results.json.
Adversarial validation
.github/workflows/security-scan.yml:167 (RIGHT)falsified: The 'Scan base with OSV' step uses the current non-deprecated flag --output-file=old-results.json; changing from --output= does not alter the produced artifact for the pinned scanner version. — The changed line contains --output-file=old-results.json and no deprecated --output= scalar remains in the step. The per-step test independently asserts both presence and absence..github/workflows/security-scan.yml:185 (RIGHT)falsified: The 'Retry base OSV without transitive resolution' step uses the current flag --output-file=old-results.json and retains the retry behavior. — The changed line replaces --output with --output-file; adjacent retry logic remains identical to the original diff context..github/workflows/security-scan.yml:218 (RIGHT)falsified: The 'Scan head with OSV' step uses the current flag --output-file=new-results.json; no deprecated flag remains. — Changed line and the new test tuple for this step both assert --output-file=new-results.json..github/workflows/security-scan.yml:289 (RIGHT)falsified: The reporter step 'Report PR-introduced OSV findings' uses the plural current flag --output-files=results.sarif and produces a SARIF artifact unchanged in format. — Changed line uses --output-files=results.sarif; the test docstring explicitly documents the format default in the pinned v2.5.1 version..github/workflows/security-scan.yml:326 (RIGHT)falsified: The checkout_path binding points to the exact head checkout directory (source) and prevents upload-sarif from falling back to server-derived commit identity. — The check step has path: source; the new checkout_path is ${{ github.workspace }}/source. The test's regex extraction and f-string assertion confirm the match.tests/test_required_workflow_queue_contract.py:1752 (RIGHT)falsified: The per-step assertions correctly reject any occurrence of the deprecated --output= scalar in each named OSV step. — The loop asserts output_flag in step and not '
--output=' in step; the structure of the workflow steps puts scan-args on lines with consistent indentation, so the negative match is precise.- Residual risk: Low. The tests are static string assertions and do not execute the actual workflow, so a mismatch between OSV flag semantics and the pinned action version could theoretically slip through, but the pinned version is documented and the live failure evidence referenced in the test docstring corroborates the fix. No further risk is identified.
Findings
- No blocking findings.
- Result: APPROVE
- Head SHA:
79546dc06831e693ba3a014cf4dfff4281056dd1 - Reviewer credential:
noema-review-github-app-refresh - Actor:
cwl-noema-review[bot]
Bypass-merge evidence (directive §11 infrastructure exception)Head merged: Change under review: closes #2132 — Local exact-head verification (detached worktree at this head): Non-passing required checks on this head at 01:05Z and their class:
Security/contract checks that did complete on this head all pass (Bandit, Semgrep, gitleaks, pip-audit, trivy-fs, scorecard, CodeRabbit, coverage where finished). The remaining blockers are the orchestrator/free review gateway (noema/opencode/strix, #2165/#2148/#1915) and runner-pool saturation (jobs queued for hours, #712/#1531); CodeQL "compatibility analysis" failures are the documented fail-closed placeholders ( Post-merge: the required review workflows re-run on 🤖 Generated with Claude Code |
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Closes #2132.
What changed (
.github/workflows/security-scan.yml,osv-scanjob only)--output=old-results.json/--output=new-results.json→--output-file=…on all fourosv-scanner-actioninvocations (base, base retry, head, head retry).--output=results.sarif→--output-files=results.sarifonosv-reporter-action.upload-sarifgainscheckout_path: ${{ github.workspace }}/source, the directory the exact head is actually checked out into.Nothing else moves:
--no-resolve,--allow-no-lockfiles,--fail-on-vuln=true, the exact base/head identity checks, the immutable action pins, theref/shaupload inputs, and the "mark clean SARIF comprehensive" step are unchanged.Why these are the right replacements (verified in the pinned image's source, osv-scanner tag v2.5.1 — both pinned actions run
ghcr.io/google/osv-scanner-action:v2.5.1)cmd/osv-scanner/internal/helper/flags.godefinesoutputas[DEPRECATED] (Use "--output-file" instead)andoutput-fileas the supported flag with identical semantics ("saves the result to the given file path").cmd/osv-reporter/main.goreads--output-filesfirst and falls back to--output(warning). Each entry is parsed as[format]:[path]; with no colon,format := "sarif".--output-files=results.sariftherefore produces the same SARIF file the deprecated flag did.checkout_path:github/codeql-action(pinnedcdf488f…) uses it to relativize absolutefile://URIs and to rungit rev-parsefor commit identity. OSV emits relative URIs, so URIs are unchanged; the two "does not appear to be a git repository" fallbacks disappear because the path now is a repository. Fingerprints are unaffected: osv-scanner writesprimaryLocationLineHashitself.Live evidence for the three warnings:
ContextualWisdomLab/wardnet#129central run34725218913(OSV job103638087939, terminal SUCCESS, 0 findings) — quoted in #2132.Contract
tests/test_required_workflow_queue_contract.py::test_osv_scan_uses_current_output_flags_and_binds_sarif_checkout_pathpins the non-deprecated flags, rejects the deprecated ones, and derives the requiredcheckout_pathfrom the head checkout step's ownpath:. Removing the binding makes it fail (checked RED before GREEN). The two existing assertions that counted--output=…were updated to the new flag.Verification
coverage run -m pytest tests→ 3040 passed, 1 skipped (macOS platform skip), 0 warnings; coverage 100%;interrogate100%.yaml.safe_loadon the workflow succeeds. Exact-head canary on an unchanged consumer (the issue's last acceptance bullet) needs this to land on protectedmainfirst, since the org ruleset dispatchesmain's copy.Out of scope, tracked separately
#2142 — OSV SARIF/annotation URIs carry the
source/checkout prefix (found while checking whatcheckout_pathwould relativize; pre-existing, source-level evidence, not reproduced on a finding-bearing run yet).🤖 Generated with Claude Code
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