# Coverage Analysis

> Measures and interprets what a fuzzing campaign actually reaches, using llvm-cov, lcov, or a fuzz…

Measures and interprets what a fuzzing campaign actually reaches, using llvm-cov, lcov, or a fuzzer's own coverage output. Covers baselining a new campaign, reading coverage reports, and turning uncovered regions into harness, seed, or dictionary work. Use when a fuzzer plateaus, when judging whether a harness is effective, after changing a harness, or when asking why some code is never reached.

- Page: https://ss33.ai/skills/trailofbits/coverage-analysis-26311622959
- Publisher: trailofbits
- Category: [Software Development](https://ss33.ai/skills/category/software-development-t44z8z) › [Testing & QA](https://ss33.ai/skills/category/software-development-t44z8z/testing-and-qa-g56s6z)
- Source: https://github.com/trailofbits/skills/blob/5c99c03fb8a9ea568432ecbcba5d86e9f4ac2bf0/plugins/testing-handbook-skills/skills/coverage-analysis/SKILL.md

## Skill

This skill's licence does not allow redistribution, so the store does not serve its text. Get it from the author: https://github.com/trailofbits/skills/blob/5c99c03fb8a9ea568432ecbcba5d86e9f4ac2bf0/plugins/testing-handbook-skills/skills/coverage-analysis/SKILL.md