ffi: reject detached ArrayBufferViews - #65086
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #65086 +/- ##
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- Coverage 92.06% 90.33% -1.73%
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Files 399 760 +361
Lines 176328 248541 +72213
Branches 27212 46907 +19695
==========================================
+ Hits 162328 224513 +62185
- Misses 13689 15464 +1775
- Partials 311 8564 +8253
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Detached ArrayBuffers were rejected with ERR_INVALID_ARG_VALUE, but detached views were not: typed arrays exported zero bytes and DataViews threw a bare TypeError from byteLength. Track detachment in ArrayBufferViewContents::Read() and skip the JS length check for detached buffers, so every detached input is rejected. Signed-off-by: Kamat, Trivikram <16024985+trivikr@users.noreply.github.com> Assisted-by: codex:gpt-5.6-sol
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Commit Queue failed- Loading data for nodejs/node/pull/65086 ✔ Done loading data for nodejs/node/pull/65086 ----------------------------------- PR info ------------------------------------ Title ffi: reject detached ArrayBufferViews (#65086) ⚠ Could not retrieve the email or name of the PR author's from user's GitHub profile! Branch trivikr:ffi-export-arraybufferview-detached-handling -> nodejs:main Labels c++, needs-ci, commit-queue, ffi Commits 1 - ffi: reject detached ArrayBufferViews Committers 1 - Kamat, Trivikram <16024985+trivikr@users.noreply.github.com> PR-URL: https://github.com/nodejs/node/pull/65086 Fixes: https://github.com/nodejs/node/issues/65085 Reviewed-By: Paolo Insogna <paolo@cowtech.it> ------------------------------ Generated metadata ------------------------------ PR-URL: https://github.com/nodejs/node/pull/65086 Fixes: https://github.com/nodejs/node/issues/65085 Reviewed-By: Paolo Insogna <paolo@cowtech.it> -------------------------------------------------------------------------------- ℹ This PR was created on Thu, 06 Aug 2026 15:16:59 GMT ✔ Approvals: 1 ✔ - Paolo Insogna (@ShogunPanda) (TSC): https://github.com/nodejs/node/pull/65086#pullrequestreview-4914088434 ✘ This PR needs to wait 24 more hours to land (or 0 minutes if there is one more approval) ✔ Last GitHub CI successful ℹ Last Full PR CI on 2026-08-10T20:56:16Z: https://ci.nodejs.org/job/node-test-pull-request/75752/ ⚠ Commits were pushed after the last Full PR CI run: ⚠ - ffi: reject detached ArrayBufferViews - Querying data for job/node-test-pull-request/75752/ ✔ Build data downloaded ✔ Last Jenkins CI successful -------------------------------------------------------------------------------- ✔ Aborted `git node land` session in /home/runner/work/node/node/.ncuhttps://github.com/nodejs/node/actions/runs/31614572726 |
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Fixes: #65085
Detached ArrayBuffers were rejected with ERR_INVALID_ARG_VALUE, but detached views were not: typed arrays exported zero bytes and DataViews threw a bare TypeError from byteLength.
Track detachment in ArrayBufferViewContents::Read() and skip the JS length check for detached buffers, so every detached input is rejected.
Assisted-by: codex:gpt-5.6-sol