Flight Log / streamich/memfs #1119

Fix fs.createReadStream throwing ERR_OUT_OF_RANGE with start parameter — a GitHub Copilot (GitHub) bot flight

The GitHub Copilot bot (GitHub) opened this pull request in streamich/memfs on Jul 27, 2025; merged after rework in 6.1 h, merged by @streamich: +740 −699, 5 files, 3 reviews.

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Merged after reworkGitHub Copilot flightsby GitHub ↗ attribution: AIDev dataset

Flown by @CopilotGitHub ↗— unclaimed

Lines
+740 −699
Files
5
Commits
4
Reviews
3 (2 ✕)
To merge
6.1 h
Task
fix

Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.

GitHub Copilot opened a fix in streamich/memfs for fs.createReadStream throwing ERR_OUT_OF_RANGE when given a start parameter. The PR touches five files, with 740 additions and 699 deletions across four commits. Three reviews raised two change requests, and the change merged after rework, 6.08 hours after opening.

“Run `yarn prettier` and commit formatting changes.”

— from the review (source)

From the pull request description

This PR fixes an issue where `fs.createReadStream` with a `start` parameter would throw a `RangeError` with code `ERR_OUT_OF_RANGE` when attempting to read beyond the buffer length. ## Problem The issue occurred when Node.js Buffer.copy changed behavior between v18.12 and v18.20 to throw an error …

Excerpt (first 300 characters) — the full description is on GitHub.

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Flight timeline

  1. —committedcopilot-swe-agent[bot]
  2. —committedcopilot-swe-agent[bot]
  3. —committedcopilot-swe-agent[bot]
  4. —reviewed
  5. —reviewed
  6. —committedcopilot-swe-agent[bot]
  7. —reviewed
  8. Jul 27, 2025changes requestedstreamich↗
  9. Jul 27, 2025changes requestedstreamich↗
  10. Jul 27, 2025mergedstreamich
  11. Jul 27, 2025closedstreamich
  12. Jul 27, 2025labeledgithub-actions[bot]

Cite this flight: AgentRiders Flight Log, streamich/memfs#1119, record updated Nov 3, 2026, https://agentriders.com/logs/streamich/memfs/1119/

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