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ossfuzz

Automate continuous fuzz testing for open-source projects with OSS-Fuzz infrastructure.

6.5k|561|Updated Jan 14, 2026
Search Tags:#automation#open-source#fuzzing#harness#security-testing#oss-fuzz
One-click install
npx skills add https://github.com/trailofbits/skills --skill ossfuzz-trailofbits
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ossfuzz
Source: https://github.com/trailofbits/skills/tree/main/plugins/testing-handbook-skills/skills/ossfuzz
Command: npx skills add https://github.com/trailofbits/skills --skill ossfuzz-trailofbits

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

OSS-Fuzz solves the problems of discovering security vulnerabilities in open-source software by providing free, distributed, and automated fuzz testing infrastructure, reducing manual effort and accelerating fixes.

Core Features & Use Cases

  • Automated enrollment and fuzzing of open-source projects using a centralized platform with helper tools, project.yaml, and Docker images.
  • Build and run fuzzing harnesses locally or in CI, monitor coverage, and track crashes with integrated dashboards like Fuzz Introspector and bug trackers.
  • Use cases include continuous security testing for critical OSS components, reproducible crash reproduction, and scalable fuzzing across many projects.

Quick Start

Start by enrolling your project with OSS-Fuzz to begin fuzzing and crash reporting.

Frequently Asked Questions about ossfuzz

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up continuous fuzz testing for an open-source project?▼

Continuous fuzz testing for open-source projects is automated by provisioning OSS-Fuzz infrastructure, which requires a project.yaml, Dockerfile, and build.sh in the enrolled project to configure the workflow.

What do I need to configure before enrolling my repository in OSS-Fuzz?▼

Before enrolling your repository, you need to configure a project.yaml, Dockerfile, and build.sh to define the build environment and fuzzing harnesses for the centralized platform.

Can I build and run fuzzing harnesses locally instead of using the centralized platform?▼

You can build and run fuzzing harnesses locally or in CI, while still monitoring coverage and tracking crashes with integrated dashboards like Fuzz Introspector and bug trackers.

How does automated fuzz testing help with vulnerability discovery?▼

Automated fuzz testing helps with vulnerability discovery by providing free, distributed infrastructure that accelerates finding security vulnerabilities and generates reproducible crashes for faster fixes.

What is the best way to scale fuzzing across multiple open-source repositories?▼

Scaling fuzzing across multiple open-source repositories is best achieved by using a centralized platform that automates project enrollment, harness execution, and crash tracking through Docker images and helper tools.

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