SecurityCipher
Home Blog About Us
Resources ▼
✅ Security Checklists Hub 🗺️ Penetration Testing Roadmap 🤖 OWASP Top 10 for LLM Applications 🧠 LLM AI Security Checklist 🛠️ Security Tools 🎯 Penetration Testing Tricks 📄 Secure Code Explain 📖 Vulnerability Explain ☁️ AWS Cloud Security Checklist
My Resume
Our ServicesServices
New On-Call Drive Drive the neon city, jack in, and clear security tickets Play now →
← Security Tools View on GitHub

syzkaller

Unsupervised coverage-guided kernel fuzzer from Google.

syzkaller - kernel fuzzer

CI Status OSS-Fuzz Go Report Card Coverage Status GoDoc License

syzkaller ([siːzˈkɔːlə]) is an unsupervised coverage-guided kernel fuzzer.
Supported OSes: FreeBSD, Fuchsia, gVisor, Linux, NetBSD, OpenBSD, Windows.

Mailing list: syzkaller@googlegroups.com (join on web or by email).

Found bugs: Darwin/XNU, FreeBSD, Linux, NetBSD, OpenBSD, Windows.

Documentation

Initially, syzkaller was developed with Linux kernel fuzzing in mind, but now it's being extended to support other OS kernels as well. Most of the documentation at this moment is related to the Linux kernel. For other OS kernels check: Darwin/XNU, FreeBSD, Fuchsia, NetBSD, OpenBSD, Starnix, Windows, gVisor, Akaros.

  • How to install syzkaller
  • How to use syzkaller
  • How syzkaller works
  • How to install syzbot
  • How to contribute to syzkaller
  • How to report Linux kernel bugs
  • Tech talks and articles
  • Research work based on syzkaller

Disclaimer

This is not an official Google product.

Penetration Testing Services

penetration Testing Services

Web Application Security Quiz

Web Application Security Quiz

Daily Bug Bounty Writeups - Twitter

Daily Bug Bounty Writeups

Download our Latest Android Application

Guide for Penetration Testing

Daily Bug Bounty Writeups - Telegram

Daily Bug Bounty Writeups

Author

Piyush
Senior Product Security Engineer

Ethical Hacker || Penetration Tester || Gamer || Blogger || Product Security Engineer || AI Security

READ ARTICLE

Donate

Buy me a Coffee

Recent Posts

  • Cloud Misconfig Bounty Hunting in 2026: Open Buckets, Firebase, and Secrets
    Cloud Misconfig Bounty Hunting in 2026: Open Buckets, Firebase, and Secrets
    September 8, 2026/
    0 Comments
  • DevSecOps From Laptop to Production: A Practical Security Pipeline Guide
    DevSecOps From Laptop to Production: A Practical Security Pipeline Guide
    August 27, 2026/
    0 Comments
  • The CVE Flood Is a Lie: How to Hunt When AI Dumps 36% More Bugs But Exploitation Only Grows 10%
    The CVE Flood Is a Lie: How to Hunt When AI Dumps 36% More Bugs But Exploitation Only Grows 10%
    August 25, 2026/
    0 Comments

Follow Us

SecurityCipher

Practical security guides, vulnerability deep-dives, and hands-on resources for bug bounty hunters and penetration testers.

Useful Links

  • Security Checklists
  • Cybersecurity Jobs
  • Blogs
  • About
  • Contact
© 2026 SecurityCipher. All rights reserved. Privacy Policies · Terms & Conditions