chore: update UKCI kernels

[kxxt]

Automated UKCI kernel update

Summary by CodeRabbit

• Chores
  • Updated supported kernel source versions for riscv64 builds.
  • Updated kernel source versions for non-riscv64 builds, including newer release candidates.
  • Refreshed source integrity checksums to match the updated versions.

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Project	Deployment	Actions	Updated (UTC)
tracexec	Ready	Preview, Comment	Jul 20, 2026 10:22am

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Pro

Run ID: 4dfb91f2-7b64-4a33-9bc7-0d01b2af7074

📥 Commits

Reviewing files that changed from the base of the PR and between 04c54fb and 9069774.

📒 Files selected for processing (1)

• nix/ukci.nix

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Walkthrough

Updated UKCI kernel source metadata in nix/ukci.nix for RISC-V LTS kernels 6.12 and 6.18, plus non-RISC-V kernels 7.1 and 7.2.

Changes

UKCI kernel metadata

Layer / File(s)	Summary
RISC-V LTS kernel pins nix/ukci.nix	The 6.12lts and 6.18lts entries now reference newer tags and corresponding SHA256 values.
Non-RISC-V kernel pins nix/ukci.nix	The 7.1 and 7.2 entries now use updated tags, versions, and SHA256 values.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• kxxt/tracexec#284: Updates overlapping kernel-source metadata in nix/ukci.nix.
• kxxt/tracexec#285: Bumps the same UKCI kernel entry metadata fields.
• kxxt/tracexec#290: Updates the 7.2 kernel tag, version, and SHA256.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the PR’s main change: automated updates to UKCI kernel versions and metadata.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch automation/update-ukci-kernels

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[gemini-code-assist]

Code Review

This pull request updates several kernel versions and their corresponding SHA-256 hashes in nix/ukci.nix, including updates for the 6.12lts, 6.18lts, 7.1, and 7.2 releases. I have no feedback to provide.

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