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BUG: regex, package-hallucination and aggregator scorer identities collide across configs

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维护者通常 2 天内回复

@richlundeen 已经在做这个了。

开始于 2026年10月10日。

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难度
4/5
预计耗时
3-5 天
新手友好度
35/100
Issue 类型
缺陷
描述清晰度
描述清楚
活跃度
活跃
技术栈
python
领域
security

调研方向

Start with RegexScorer._build_identifier and the _ConfigurableRegexScorerMixin scorers (XSS, SQLi, SSRF, MarkdownInjection), then compare with CredentialLeakScorer, which already hashes its patterns. Also check PackageHallucinationScorer and the FloatScaleScorerByCategory and FloatScaleScorerAllCategories aggregators, whose __name__ values collide. Reproduce the four collision cases in the issue before changing anything. Done means distinct identifiers for differently configured scorers, default-config hashes unchanged, and a maintainer decision on the metrics registry.

由索引模型根据 Issue 内容生成。

描述

Some scorer identifiers leave out the config that decides the result, so differently configured scorers share a hash and eval_hash. That means get_scorer_metrics() and the evaluator's skip-if-exists can return another config's metrics, and stored scores can't be told apart.

  • RegexScorer._build_identifier only records pattern_count, so any two RegexScorers with the same number of patterns collide. Same for the _ConfigurableRegexScorerMixin scorers (XSS, SQLi, SSRF, MarkdownInjection) with custom patterns. CredentialLeakScorer already hashes its patterns, so it's just the base that's missing it.
  • PackageHallucinationScorer only records known_package_count.
  • FloatScaleScorerByCategory.MAX and FloatScaleScorerAllCategories.MAX both have __name__ MAX_by_category_ (same for MIN/AVERAGE), and scorers record aggregator.__name__. One returns one score per category (and makes FloatScaleThresholdScorer raise), the other returns one score.
RegexScorer A vs B (1 pattern each, different patterns): same hash True, same eval_hash True; A -> false, B -> true
Markdown default vs custom patterns: same eval_hash True
PackageHallucination {requests} vs {evilpkg}: eval_hash equal True
aggregator names: MAX_by_category_ MAX_by_category_ -> same eval_hash True

A fix would add a pattern/package digest (only when it differs from the defaults, so stored default hashes stay put) and give the all-categories aggregators their own names. Since this moves some hashes, filing first to check how you want the metrics registry handled.

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