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The largest concern is unsafe temporary file path generation in cspice_runner.c: predictable names in /tmp plus non-atomic counters create a real risk of symlink/race attacks and flaky behavior under concurrency. The new tag sanitizer should ensure required headers and consider ASCII-only checks to avoid locale edge cases. Finally, if rm is being introduced for cleanup, it needs strict scoping to prevent deleting unintended paths when file-io tests create temp artifacts.
Additional notes (2)
- Maintainability |
packages/parity-checking/native/src/cspice_runner.c:1257-1300
sanitize_file_io_temp_taglimits output tow < 64, but the function signature also takesoutBytesand the caller uses an 80-byte buffer. This mixed constraint (buffer size and hard max 64) is fine, but it’s a “magic number” that will be easy to forget when reusing this helper.
Also, the logic checks both w + 1 < outBytes and w < 64 multiple times; consolidating the max writable length into a single computed limit would reduce duplication and the chance of inconsistencies during future edits.
- Maintainability |
packages/parity-checking/native/src/cspice_runner.c:1346-1371
write_found_dla_descriptor_jsonmanually constructs JSON by printing fields. This is brittle if any field set changes or if future outputs add strings requiring escaping. It also mixes formatting concerns with business logic.
If this JSON format is part of a stable interface consumed by TS code, consider centralizing JSON emission patterns (even if still manual) to reduce the chance of subtle output mismatches across different result types.
Summary of changes
What changed
- Expanded parity coverage for file I/O core methods by adding new method specs under
packages/parity-checking/specs/methods/file-io/*@v2.yml(e.g.,daf*,das*,dla*,exists,getfat) that run viainvokeLegacyCall. - Removed file-io core methods from the parity denylist in both
parity-denylist.jsonandparity-denylist.ts(e.g.,file-io.dafbfs,file-io.exists,file-io.getfat). - Updated completeness/coverage baselines and tests to reflect the added coverage (
coveredCount/methodCountraised to106, denylist reduced to67). - Introduced native helper utilities in
native/src/cspice_runner.cfor:- sanitizing a tag used in temp file names (
sanitize_file_io_temp_tag), - building a temp
.dlapath (build_file_io_temp_path), - emitting JSON for found DLA descriptors (
write_found_dla_descriptor_json).
- sanitizing a tag used in temp file names (
- Runner changes:
tspiceRunner.tsnow importsrmfromnode:fs/promises(presumably for temp cleanup). - Added a legacy workflow stub:
workflows/legacy/file-io.basic@v1.yml.
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@CharlieHelps I need your help preparing this PR to merge. You should read the diff, related issues/docs, and PR reviews closely and then ensure ALL of the following is true:
It's your job to push commits to the PR to complete all of these tasks. You MUST wait to confirm that ALL of the above is true before stopping. I expect to be able to merge the PR after you are done. |
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Thanks for the maintainability notes in the review summary (the I agree both are worth cleaning up, but I’m deferring them for a follow-up so this PR stays scoped to the file-io parity coverage expansion and the blocking temp-path security fix. I’ve addressed the blocking temp-path issue and the smaller cleanup items in this round; the maintainability refinements are non-blocking for this PR. |
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Charlie final merge-readiness verification: this PR is merge-ready.
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@CharlieHelps please review all relevant issue and PR context, then conduct a thorough code review. What “good” looks like
Workflow
Use this exact structure in the review summary: Blocking feedback
**Non-blocking feedback**
Rules:
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@CharlieHelps please base against main and resolve merge conflicts, as the PR we stacked on has merged |
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Blocking feedback
build_file_io_temp_pathinnative/src/cspice_runner.cstill appears to construct predictable temp paths in a shared directory usingpid+ a static counter, which is vulnerable to race/symlink attacks and is not concurrency-safe.
**Non-blocking feedback**
sanitize_file_io_temp_taguses locale-dependentisalnum; consider ASCII-only checks for deterministic, portable sanitation.write_found_dla_descriptor_jsonmanually constructs JSON; consider consolidating/centralizing emission to reduce brittleness.tspiceRunner.tsimportsrm; if unused it should be removed, and if used later it needs strict path scoping.
Additional notes (1)
- Maintainability |
packages/parity-checking/native/src/cspice_runner.c:1346-1371
write_found_dla_descriptor_jsonmanually emits JSON via a series offputs/fprintf. This is brittle to evolve and easy to accidentally break (missing commas/braces, changing fields, etc.). Even with only numbers today, it creates a pattern that’s hard to maintain as soon as strings or optional fields are added.
At minimum, centralizing JSON emission for runner results would reduce drift across result types.
Summary of changes
Summary of changes
- Expanded parity coverage for file I/O core by adding new method specs under
packages/parity-checking/specs/methods/file-io/*@v2.yml(DAF/DAS/DLA +exists/getfat) using theinvokeLegacyCallworkflow step. - Reduced the parity denylist by removing file-io core entries from:
packages/parity-checking/catalogs/parity-denylist.jsonpackages/parity-checking/catalogs/parity-denylist.ts
- Updated completeness/coverage baselines and tests to reflect the increased covered method count:
BASELINE_CANONICAL_METHOD_COVERAGEfrom94→106MAX_BASELINE_DENYLIST_SIZEfrom89→67- Updated related assertions in
completenessGuard.test.ts,parity.e2e.test.ts, andparityScenarioCoverage.test.ts.
- Added native runner helpers in
packages/parity-checking/native/src/cspice_runner.c:sanitize_file_io_temp_tagto sanitize tags used in temp pathsbuild_file_io_temp_pathto construct a temp.dlapathwrite_found_dla_descriptor_jsonto emit a JSON response for “found DLA descriptor” results
- Introduced a legacy workflow stub:
packages/parity-checking/workflows/legacy/file-io.basic@v1.yml. - TS runner import change:
tspiceRunner.tsnow importsrmfromnode:fs/promises(though usage is not shown in this diff).
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@CharlieHelps I need your help preparing this PR to merge. You should read the diff, related issues/docs, and PR reviews closely and then ensure ALL of the following is true:
It's your job to push commits to the PR to complete all of these tasks. You MUST wait to confirm that ALL of the above is true before stopping. I expect to be able to merge the PR after you are done. |
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@rybosome I’ve finished preparing this PR for merge.
Acknowledged non-blocking feedback (intentionally not required to merge this PR):
Only remaining GitHub policy gate shown on the PR is |
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The parity coverage expansion looks consistent, but the native temp-file helper still has a security/correctness gap: it creates a secure temp file with mkstemps and then closes it, returning only the path, which can lead to a TOCTOU race if the file is reopened later. There are also maintainability concerns around duplicated bounds logic in sanitize_file_io_temp_tag and brittle manual JSON construction in write_found_dla_descriptor_json. Baseline/count updates and denylist reductions appear mechanically aligned with the new specs.
Additional notes (2)
- Maintainability |
packages/parity-checking/native/src/cspice_runner.c:1257-1300
sanitize_file_io_temp_taghas duplicated length guards (w + 1 < outBytesandw < 64) in multiple places. This increases the chance of future edits drifting (e.g., changingsafeTagsize but forgetting the internal 64 cap), and makes the function harder to reason about.
Also, the hard cap of 64 is a hidden constraint relative to the outBytes parameter.
- Maintainability |
packages/parity-checking/native/src/cspice_runner.c:1365-1390
write_found_dla_descriptor_jsonmanually emits JSON via a sequence offputs/fprintf. This is brittle to evolve (easy to break commas/braces) and tends to get copy/pasted for other result types.
Even if the payload is numeric-only today, this pattern becomes risky once strings (escaping) or optional fields show up.
Summary of changes
Summary of changes
- Expanded file I/O core parity coverage by adding new
@v2method specs underpackages/parity-checking/specs/methods/file-io/for:- DAF:
dafbfs,dafcls,daffna,dafopr - DAS:
dascls,dasopr - DLA:
dlabfs,dlacls,dlafns,dlaopn - Misc:
exists,getfat
- DAF:
- Updated parity baselines to reflect increased coverage:
BASELINE_CANONICAL_METHOD_COVERAGE94 → 106MAX_BASELINE_DENYLIST_SIZE89 → 67- Updated related integration/e2e coverage assertions (
methodCount,coveredCount,denylistCount).
- Reduced the parity denylist by removing
file-io.*entries now covered. - Hardened native temp file creation in
packages/parity-checking/native/src/cspice_runner.cby introducing:sanitize_file_io_temp_tag(...)for tag sanitizationbuild_file_io_temp_path(...)usingmkstemps("...XXXXXX.dla", 4)for secure temp-file creationwrite_found_dla_descriptor_json(...)to emit JSON results for DLA descriptor discovery.
- Added a legacy workflow stub:
packages/parity-checking/workflows/legacy/file-io.basic@v1.yml.
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@CharlieHelps I need your help preparing this PR to merge. You should read the diff, related issues/docs, and PR reviews closely and then ensure ALL of the following is true:
It's your job to push commits to the PR to complete all of these tasks. You MUST wait to confirm that ALL of the above is true before stopping. I expect to be able to merge the PR after you are done. |
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Follow-up on review #503 (review): I’m explicitly acknowledging the two maintainability items that remain open and deferring them as non-blocking for this PR.
I’m deferring both in this PR to keep scope tight around the blocking file-io temp-file safety fix and coverage landing, and to avoid mixing larger maintainability refactors into this already-reviewed patch. They are important, but non-blocking for correctness/security of the fix being merged here. |
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@rybosome all technical checklist items are complete (checks passing, no conflicts, unresolved threads: 0). The only remaining merge gate is an external approving review to clear REVIEW_REQUIRED. |
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Merge-readiness checklist complete:
PR #503 is ready to merge. |
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@CharlieHelps I need your help preparing this PR to merge. You should read the diff, related issues/docs, and PR reviews closely and then ensure ALL of the following is true:
It's your job to push commits to the PR to complete all of these tasks. You MUST wait to confirm that ALL of the above is true before stopping. I expect to be able to merge the PR after you are done. |
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@CharlieHelps please rebase against main, resolve merge conflicts, and ensure CI is passing |
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Done — I updated this branch against
This PR is merge-ready. |
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@CharlieHelps please rebase main and resolve merge conflicts, then ensure CI is passing |
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@CharlieHelps please review all relevant issue and PR context, then conduct a thorough code review. What “good” looks like
Workflow
Use this exact structure in the review summary: Blocking feedback
**Non-blocking feedback**
Rules:
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Done — I rebased |
There was a problem hiding this comment.
Blocking feedback
- No blocking issues identified for merge in the current diff after reviewing the PR/issue context, prior review history, and current CI/check signals.
**Non-blocking feedback**
packages/parity-checking/native/src/cspice_runner.caddsbuild_file_io_temp_pathandwrite_found_dla_descriptor_json, but both helpers are currently unused. This increases maintenance surface and can drift from real behavior; either remove them until needed, or wire them into active file-I/O call paths with a focused test.packages/parity-checking/src/runners/tspiceRunner.tsnow emits generic "Unsupported call" messages. That lowers triage clarity when dispatch coverage regresses; keep parity-stable message matching, but attach call identity in structured metadata (for exampleerror.details.call) that parity comparison ignores.- The new file-I/O method specs are mostly parity assertions for
unsupported_callwhile completeness baselines increase. That can be interpreted as functional method support; consider adding an explicit “unsupported-by-spec” reporting bucket/annotation so capability coverage and parity-coverage are not conflated. packages/parity-checking/workflows/legacy/file-io.basic@v1.ymlappears to be a stub and currently unreferenced. Unwired workflow artifacts can mislead future contributors; either remove it for now or connect it to an active workflow consumer with executable steps.
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@rybosome completed — I reviewed the full PR/issue history and posted a structured GitHub Review here: #503 (review) Summary: no blocking feedback in this pass; I included 4 non-blocking follow-ups. |
@CharlieHelps All of these non blocking feedback items are good points, please address them. For number 4, please address this by adding more comprehensive cases to each spec that validates actual call behavior parity. |
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@rybosome Implemented all requested non-blocking follow-ups from your comment (2–5) in
Validation run in-devbox passed for targeted checks/typecheck/tests. Full native parity execution is still environment-limited on linux-arm64 ( |
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@CharlieHelps please review all relevant issue and PR context, then conduct a thorough code review. What “good” looks like
Workflow
Use this exact structure in the review summary: Blocking feedback
**Non-blocking feedback**
Rules:
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There was a problem hiding this comment.
Blocking feedback
- None.
**Non-blocking feedback**
packages/parity-checking/src/runners/tspiceRunner.tsfile-io.dlaopncreates temporary.dlapaths but does not remove them after closing the handle. Why it matters: repeated parity runs can leaktspice-parity-*.dlatemp artifacts and introduce avoidable host-state drift. Smallest fix: afterbackend.dlacls(handle), add best-effort temp-path cleanup (node filesystem delete + wasm virtual-file delete when applicable).resolveFileIoPathForBackendstages WASM file-io paths usingbackend.furnsh({ path, bytes }). Why it matters: this couplesfile-io.exists/getfatpath staging to kernel-loading behavior, so existing non-kernel files can fail instead of behaving like plain file checks. Smallest fix: stage bytes into WASM FS without callingfurnsh, and reservefurnshfor true kernel-loading flows.
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Completed the review pass and posted a structured GitHub Review here: Summary: no blocking feedback; 2 non-blocking follow-ups. I used a comment-only review (no approval) because this account authored the PR. |
@CharlieHelps Please address both of these non blocking items |
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Implemented — both non-blocking items are now addressed in
Validation run:
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@CharlieHelps please review all relevant issue and PR context, then conduct a thorough code review. What “good” looks like
Workflow
Use this exact structure in the review summary: Blocking feedback
**Non-blocking feedback**
Rules:
|
There was a problem hiding this comment.
Blocking feedback
- No blocking changes requested. I reviewed the PR/issue/review context, inspected the diff for correctness/type-safety/parity risk, and spot-validated targeted typecheck/tests for touched packages; I did not find regressions that should block merge.
**Non-blocking feedback**
- The PR body’s manual branch metadata appears stale (
Base:does not match the current PR base). This can confuse later reviewers/audits; smallest fix is to update (or remove) that manual base/head note in the PR description.
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Completed review: submitted a Comment review due GitHub self-author constraints (cannot approve your own PR): #503 (review) |
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Stack step PR-03 in the issue #454 migration chain.