informed-decision/docs/evidence/2026-10-11-zlib-remediation-candidate/audit-refinement.json
tegwick 9b4bb25d32
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Prepare independently reviewed zlib-only image candidate
Assistant: codex
Assistant-Model: gpt-6.1-sol
Assistant-Session: 01a126e1-76f8-7643-8cf3-e93336539ade
2026-10-11 11:36:02 +02:00

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{
"proposal_id": "INFD-WP-0009-T05/zlib-85091-r1",
"same_trial": true,
"original_manifest_sha256": "8d345bb2bde3efce4d0cc99dfc2f883a64f79c42d2cd4abb288229a995e9ad66",
"original_local_verification_sha256": "c82fa8aab33426fdd6f7730b627d226d3469b9d31c525bca7c28a52ab4847fc1",
"reason": "Platform source-review guard gaps; original actual candidate/build/scan did not fail",
"changes": [
"Explicit optimized Python refusal before any archive/JSON read",
"Filesystem audit includes final directory mode/UID/GID metadata",
"Three synthetic tests: optimized malformed artifact refuses before read; unchanged directory passes; mode/UID/GID mutation refuses",
"Preserve OCI whiteout leading dots and clear root/nested descendants correctly; four semantic fixtures cover removal and opacity",
"Whiteouts mask lower layers only; merge same-layer additions after masking. Eight root/nested opacity, sibling and replacement tar-order fixtures added"
],
"actual_existing_artifact_reaudit": "Passed; no directory metadata differences, same two changed files",
"candidate_image_unchanged": "sha256:78bfdcc00a62367ae6190f6569a02b18abf9a943f760e4ac8fb946703348af31",
"four_file_build_context_unchanged": "c554e62a84af340cba15d469a4568f6d0c40923e580b08ed7565e22702b1207d",
"registry_publication": false,
"native_changes": false,
"checker_sha256": "d727f60edd004184c79903c20619643033fac68afbecfb1990cce855cdb924e3",
"tests_sha256": "12ba4ce8c082450241118d73139c59e06b3a337b152e3364918a5b2850f2dc47",
"comparison_sha256": "689fa7cbd322cb31b215fd2e86e0be267c1398f9b71e5615446d5f7b82dcce89",
"verification_sha256": "efbb173dcb9358b58bd703a18e63c6c25805167d5a14856ed095d05be4309709",
"intermediate_source_manifest_sha256": "64509029b3de6d33e3675587663ccdae027d9ea18aba83750892480766dd03b8",
"whiteout_refinement_note": "Conservative incorrect effective-rootfs modeling in the intermediate checker, not failure of the actual candidate",
"layer_order_review_manifest_sha256": "3e41ab391cda26f09a556fecef8a17c2759ef2899e43eb136b25ef4b3fde23a0"
}