36 lines
1.9 KiB
TeX
36 lines
1.9 KiB
TeX
%% SCRAP: archive/quality/audits/section-2-audit
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%% SOURCE: docs/working/archive/quality/audits/section-2-audit.md
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%% STATUS: HISTORICAL
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%% FITS: none
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%% EDITORIAL: lifted — prose rewritten to press voice
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\section*{Section~2 Audit: Physics Subsystem Safety \& Clarity (November 2025)}
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A safety audit of five physics subsystem files conducted on 2025-11-20
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classified the subsystem as broadly safe with no critical vulnerabilities.
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Results by file:
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\begin{itemize}
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\item \texttt{physics\_metadata.c}: All functions carry \texttt{NULL} checks.
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Bounds clamping prevents overflow and underflow on heat accumulation
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and decay paths. Compile-time guards were absent.
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\item \texttt{physics\_pipelining\_metrics.c}: Two high-priority issues
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identified---an unchecked array access in \texttt{transition\_metrics\_update\_cache()}
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when \texttt{dict\_size} changes between allocation and use, and a
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missing bounds check on \texttt{target\_word\_id} in
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\texttt{transition\_metrics\_get\_probability\_q48()}.
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\item \texttt{physics\_hotwords\_cache.c}: Comprehensive \texttt{NULL} and
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bounds checks; LRU round-robin eviction correctly capped.
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\item \texttt{rolling\_window\_of\_truth.c}: Assessed as best defensive
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coding of all files; modulo arithmetic, double-buffered atomic
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snapshots, and depth-clamping all correctly implemented.
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\item \texttt{physics\_runtime.c}: Not audited in this section; deferred
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as out-of-scope (host analytics heap, not word-dispatch logic).
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\end{itemize}
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Recommendations covered 15 intent-focused comment blocks (feedback-loop
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annotations), 2 bounds-check additions, compile-time guard wrappers for 4
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files, and a log-level downgrade to suppress \textsc{doe} mode stderr
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pollution. All recommendations were addressed in the corresponding corrective
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actions (see Section~2 Executive Summary in this archive).
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