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fix(boundary): isolate unsafe Rust under ffi/rust; forbid it in src/ (#49) - #121
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…49) Move the Rust C-ABI attestation crate and the wasm32 host/guest recompute crate from src/interface/{attest,recompute-wasm} to ffi/rust/, so every Rust `unsafe` block in the repository lives under ffi/. Aspect gate (tests/aspect_tests.sh), on top of #117's fail-open check: - no unsafe Rust constructs anywhere under src/, tests included (`unsafe {`, `unsafe fn|impl|trait|extern`, `#[unsafe(..)]`, `static mut`) - `#![forbid(unsafe_code)]` on every src/ crate root - the SPDX identifier on the first line of every src/ Rust file - Cargo target/ directories pruned from every scan Sources: forbid(unsafe_code) added to the nine crate roots that lacked it, SPDX headers moved to line 1 (DAP, fmt, lint, LSP libraries), rustfmt applied to vcltotal-parse. Paths followed in the Zig shim, satellite crates gate, Dependabot, assail classifications, REUSE, docs and ADRs; new ffi/rust/README.adoc. Recut of the 2026-10-03 patch 53e80b4 onto current main. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. 📝 SummarySummary by CodeRabbit
WalkthroughThe attestation and recompute-WASM Rust crates now reside under ChangesFFI crate relocation and safety policy
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix Merge Risk: 🔵 Low · up to The safe-Rust check can accept unsafe code in tests under src/. Close this policy gap before relying on the check; the remaining merge risk is bounded. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The relocation preserves existing FFI behavior and strengthens compiler-enforced protection for application crates. A retained enforcement gap leaves integration-test code outside the full safety guarantee, but the comparison does not show increased runtime authority or external exposure. Retained concerns Security review detailsSecurity Blast Radius
Security Findings and Attack Paths
Trust Boundaries and Controls
Hardening Proposals
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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Inline comments:
Review comments at @tests/aspect_tests.sh:
- Line 116: Update the unsafe-code check in the aspect test script so it detects
unsafe syntax when the opening brace is on the following line, including in
tests under src/. Make the awk matching span lines or enforce the unsafe
prohibition in each relevant integration-test crate root.
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⛔ Files ignored due to path filters (2)
ffi/rust/attest/Cargo.lockis excluded by!**/*.lockffi/rust/recompute-wasm/Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (45)
.github/dependabot.yml.github/workflows/satellite-crates-gate.ymlCHANGELOG.adocREUSE.tomlaudits/assail-classifications.a2mldocs/2026-07-21-workup-consonance-and-verisim.adocdocs/decisions/0002-ffi-attestation-trust-boundary.adocdocs/developer/ABI-FFI-README.adocdocs/status/PROOF-NEEDS.adocffi/rust/README.adocffi/rust/attest/.gitignoreffi/rust/attest/ATTESTATION-FORMAT.adocffi/rust/attest/Cargo.tomlffi/rust/attest/README.adocffi/rust/attest/src/lib.rsffi/rust/recompute-wasm/.gitignoreffi/rust/recompute-wasm/AFFINESCRIPTISER-NA.adocffi/rust/recompute-wasm/Cargo.tomlffi/rust/recompute-wasm/README.adocffi/rust/recompute-wasm/src/lib.rsffi/zig/build.zigffi/zig/src/lib.zigsrc/core/lib.rssrc/interface/abi/Tier2.idrsrc/interface/dap/src/lib.rssrc/interface/dap/src/main.rssrc/interface/echidna-client/src/lib.rssrc/interface/fmt/src/lib.rssrc/interface/fmt/src/main.rssrc/interface/legacy/Foreign.idrsrc/interface/lib.rssrc/interface/lint/src/lib.rssrc/interface/lint/src/main.rssrc/interface/lsp/src/lib.rssrc/interface/lsp/src/main.rssrc/interface/parse/src/ast.rssrc/interface/parse/src/bin/vclt-gate.rssrc/interface/parse/src/decider.rssrc/interface/parse/tests/conformance_emit.rssrc/interface/parse/tests/gate.rssrc/interface/parse/tests/parse.rssrc/interface/parse/tests/wire.rssrc/lib.rstests/aspect_tests.shverification/proofs/VERIFICATION-STANCE.adoc
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🧰 Additional context used
📓 Path-based instructions (3)
Source excerpt: Rust: no `transmute` unless FFI with `// SAFETY:` comment
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
src/interface/dap/src/main.rssrc/interface/fmt/src/main.rssrc/lib.rssrc/interface/lsp/src/main.rssrc/interface/lint/src/main.rssrc/interface/echidna-client/src/lib.rssrc/interface/lib.rssrc/interface/dap/src/lib.rssrc/interface/parse/tests/parse.rssrc/interface/parse/src/bin/vclt-gate.rssrc/interface/parse/tests/conformance_emit.rssrc/interface/parse/src/ast.rssrc/interface/parse/tests/wire.rssrc/interface/parse/src/decider.rssrc/interface/lsp/src/lib.rssrc/interface/lint/src/lib.rssrc/interface/parse/tests/gate.rssrc/core/lib.rssrc/interface/fmt/src/lib.rs
Source excerpt: Idris2: no `believe_me`, no `assert_total`
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
src/interface/legacy/Foreign.idr
Source excerpt: Idris2: no `believe_me`, no `assert_total` Source excerpt: ABI definitions in Idris2 (`src/interface/abi/`).
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Files:
src/interface/abi/Tier2.idr
🪛 Shellcheck (0.11.0)
tests/aspect_tests.sh
[style] 153-153: Consider using 'grep -c' instead of 'grep|wc -l'.
(SC2126)
[style] 158-158: Consider using 'grep -c' instead of 'grep|wc -l'.
(SC2126)
Clears the Dependency audit failure that is also red on main. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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🤖 Completed: Fix CodeRabbit issues in PR #121 — View commit |
hyperpolymath
enabled auto-merge (squash)
October 5, 2026 20:13
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🤖 Completed: Generate docstrings for PR #121 — View commit |
governance / Workflow security linter requires SPDX on line 1; the actions-lock marker had been inserted above it (also red on main). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Follow-up to #49 / #117. #117 allowed documented
unsafeinsrc/; this PR enforces the stricter boundary #49 asked for: no unsafe Rust undersrc/at all, with the FFI boundary crates moved toffi/rust/.Changes
git mv src/interface/{attest,recompute-wasm} ffi/rust/; path deps →../../../src/interface/parse; lockfiles unchanged.tests/aspect_tests.sh(keeps fix(lsp): fail closed on malformed requests; extend aspect gate to panic family #117's unwrap/expect/panic-family check):unsafe {/unsafe fn|impl|trait|extern/#[unsafe(..)]/static mutanywhere undersrc/(tests included)#![forbid(unsafe_code)]on everysrc/crate root (lib.rs,main.rs,src/bin/*.rs)src/Rust filetarget/pruned from every scan; failures now name the offending fileforbid(unsafe_code)to 9 crate roots; moved misplaced SPDX headers (dap/fmt/lint/lsp);rustfmtonvcltotal-parse.ffi/zig/build.zig,satellite-crates-gate.yml,dependabot.yml,audits/assail-classifications.a2ml,REUSE.toml(ffi/**), ADR-0002, VERIFICATION-STANCE, PROOF-NEEDS, Tier2/Foreign.idr; newffi/rust/README.adoc.Verified locally (cargo 1.97.1, zig 0.16.0)
tests/aspect_tests.sh: 7/7 pass. Positive controls: a plantedunsafe {},#[unsafe(no_mangle)],static mut,unsafe impl, a misplaced SPDX line, and a removed forbid each FAIL the right check; a comment mentioningunsafe {and anunsafe_codeidentifier do not.ffi/rust/attest: clippy-D warningsclean, 9 tests pass.ffi/rust/recompute-wasm: clippy clean, 3 tests pass.src/interface/parse: clippy clean, all tests pass withRUST_MIN_STACK=32MiB(as inparse-gate.yml). Without it,wire::op_roundtripintermittently overflows the default stack: an existing proptest-depth issue that CI already handles.Root workspace: clippy
-D warningsclean, 102 tests pass;cargo fmt --checkclean.ffi/zig:zig build testpasses, linking the attest staticlib from its new path.reuse lint: compliant, 479/479.Dependency audit(also red on main): bumpedcrossbeam-epoch0.9.18 → 0.9.21 in the rootCargo.lockfor RUSTSEC-2026-0204.cargo auditis now clean apart from the allowedanyhowwarning RUSTSEC-2026-0190.governance / Workflow security linter(also red on main): moved the SPDX header ofrhodibot.ymlto line 1, below which the actions-lock marker now sits.CodeRabbit autofix commits
73c8a98(split-lineunsafedetection, confirmed with planted controls) anda37ecf3(docstrings) reviewed and kept.Recut of the 2026-10-03 patch
53e80b4onto current main.🤖 Generated with Claude Code