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prepare-regression

Prepare a regression investigation by fixing the exact before and after source versions, preserving PR or commit context, and producing a sealed preparation record that explains change boundaries and evidence collection limits.

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Use when pinning before/after sources and collecting PR or commit context for a regression investigation.

查看安装方法

适用场景

  • Prepare source versions for a regression investigation
  • Preserve PR discussions and review comments
  • Document change boundaries and collection limits

包含的文件(1)

  • SKILL.md2.0 KB

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

Prepare a change

When to Use

Input: PR URL or repository plus commit/range, and registry assignment. Follow project guidance after resolving the target commit.

When NOT to Use

The same inputs have a verified preparation record; reuse it.

Prepare

  1. Read the standard and file contract. Pin the complete change as S0/S1: commit parent or explicit range baseline; merge base to frozen head for unmerged PRs; merge first parent to merge commit, squash parent to squash, or the complete rebased series for merged PRs. Ambiguous ranges and missing root baselines block preparation.
  2. Freeze commit titles/messages or PR title, body, discussion, reviews and inline comments with URLs and collection time. Paginate APIs; record limits and lifecycle. Locate security/threat-model documents in both states; record paths or search limitations.
  3. Run snapshot.py via uv run --no-project with repository, S0, S1 and a new directory, or equivalent Git commands for special source needs. Preserve dependency/submodule/LFS revisions. Exclude later history; keep exports pristine and build in separate copies.
  4. Write and seal prepare.json with boundary explanations, frozen context and source artifacts. If blocked, preserve collected evidence and name the prerequisite.

Report Back

Keep detailed evidence in the sealed package. Return only:

  • Status: complete or blocked, matching the record.
  • Record: sealed prepare.json path, or why none was produced.
  • Result: selected S0/S1 and material collection limitations.
  • Blocker: missing prerequisite or required caller action, if blocked.

Rationalizations to Reject

  • “The PR is merged”: that does not identify the complete change boundary.

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同一仓库的技能

Build and test code with AddressSanitizer, a tool that detects invalid memory access during execution. Configure checks for C/C++ and unsafe Rust, investigate crash reports, and adjust settings for fuzzing, or testing with generated inputs.

中文简介正在准备中。当前显示英语简介。

  • Detect memory errors while fuzzing C/C++
  • Test unsafe Rust and calls to external libraries
  • Interpret an ASan crash report
trailofbits/skills76872026年10月21日 更新

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中文简介正在准备中。当前显示英语简介。

  • Decide whether a change introduced a new defect
  • Separate existing bugs from newly introduced defects
  • Record missing evidence and unresolved questions
trailofbits/skills76872026年10月21日 更新

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中文简介正在准备中。当前显示英语简介。

  • Running C/C++ fuzzing across multiple CPU cores
  • Exploring further after libFuzzer progress stalls
  • Monitoring fuzzing progress and stability
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中文简介正在准备中。当前显示英语简介。

  • Reviewing workflows that run AI coding agents
  • Tracing issue and PR content into agent prompts
  • Checking sandbox settings and user allowlists
trailofbits/skills76872026年10月21日 更新

Reviews Algorand smart contracts written in TEAL or PyTeal for 11 vulnerability patterns. Produces a complete coverage table and findings with code references, severity ratings, and suggested fixes, with optional automated checks using Tealer.

中文简介正在准备中。当前显示英语简介。

  • Security checks before an Algorand contract audit
  • Reviewing TEAL or PyTeal transaction validation
  • Verifying fixes for reported vulnerabilities
trailofbits/skills76872026年10月21日 更新

atheris

免费

Set up Atheris to test Python code and C extensions with automatically varied inputs. It guides test harness creation, coverage tracking to explore more code, and AddressSanitizer setup for finding memory errors.

中文简介正在准备中。当前显示英语简介。

  • Fuzzing a Python package or parser
  • Investigating memory corruption in Python C extensions
  • Turning raw bytes into typed test arguments
trailofbits/skills76872026年10月21日 更新

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