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fuzz: check witnesses, proofs and reopen in api_surface - #968
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citizen-stig
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Oct 29, 2026
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- Verify the session witness: each path proof against the previous root, witnessed read values against the model, the read/write key sets, and that applying the witnessed writes yields the new root.
- Add a Prove call that checks Session::prove against the session's base.
- Derive new keys from existing ones so tries get deep and span pages.
- Fuzz page/leaf cache sizes, upper levels and prepopulation; do not preallocate the hash table.
- Add a Reopen call that checks the root and every committed value, and keep the temp dir alive for the whole run.
- Check the root against an independent recursive reference, shared with proof_verify via a new reference module.
- Verify the session witness: each path proof against the previous root, witnessed read values against the model, the read/write key sets, and that applying the witnessed writes yields the new root. - Add a Prove call that checks Session::prove against the session's base. - Derive new keys from existing ones so tries get deep and span pages. - Fuzz page/leaf cache sizes, upper levels and prepopulation; do not preallocate the hash table. - Add a Reopen call that checks the root and every committed value, and keep the temp dir alive for the whole run. - Check the root against an independent recursive reference, shared with proof_verify via a new reference module. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017wb3qFhAoTArSEcSTGVDCu
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