syzkaller is an unsupervised coverage-guided kernel fuzzer
Star History
Add Live Star History & Verified Badges to README.md
Keep your repository README looking professional and dynamic. As our continuous crawler records new stars, these official SVG badges update in real time with zero maintenance.
Renders your high-resolution star trajectory chart right inside your GitHub README or project docs.
[](https://githubrepo.cloud/repo/google/syzkaller?utm_source=readme_chart)Compact Shields-style badges for your README header. Shows real-time stars and global ranking.
[](https://githubrepo.cloud/repo/google/syzkaller?utm_source=readme_badge) [](https://githubrepo.cloud/repo/google/syzkaller?utm_source=readme_badge) [](https://githubrepo.cloud/repo/google/syzkaller?utm_source=readme_badge)Momentum
+158
STARS · LAST 30 DAYS
5
PER DAY
#211
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +1 | +158 | +450 |
| Per day | 1 | 5 | 5 |
| Forks gained | +2 | +29 | +73 |
syzkaller gained 158 stars in the last 30 days, about 5 a day, and now has 6.3K. It is about 11 years old and has averaged roughly 576 stars a year. It ranks #211 among Go repositories and #1,483 across all languages on GitHubRepo.
Trending Record
9
DAYS ON TRENDING
#1467
BEST RANK
Sep 27, 2026
FIRST APPEARANCE
Active
STATUS TODAY
syzkaller has maintained a continuous presence across global trending indexes, peaking at #1467. Below is the 30-day activity profile:
💡 Overview
syzkaller is an open-source project written in Go: syzkaller is an unsupervised coverage-guided kernel fuzzer.
Engineered for speed, consistency, and developer ease, it solves common hurdles in fuzz-testing, fuzzer, fuzzing. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Go for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ go install github.com/google/syzkaller@latest⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Go >= 1.21 runtime environment
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
syzkaller coordinates its core functionality through a modular Go pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Command-Line Automation
Execute automated build, deployment, and maintenance tasks directly from the terminal.
CI/CD Workflow Integration
Run non-interactive validation checks in GitHub Actions, GitLab CI, or local pre-commit hooks.
Developer Environment Setup
Standardize local engineering workstations with single-binary utility commands.
Scripting & Pipeline Orchestration
Chain complex multi-stage scripts with reliable error reporting and exits.
🚀 Getting Started
Install syzkaller using your package manager: `go install github.com/google/syzkaller@latest`
Initialize your project workspace or configuration file for syzkaller.
Import syzkaller into your codebase or invoke it directly from your terminal.
Execute your test suite or run `syzkaller --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
google/syzkaller is currently ranked #1,483 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,478 | apache/camel | Java | ★ 6.4K | Compare ↗ |
| #1,479 | promptslab/Awesome-Prompt-Engineering | TypeScript | ★ 6.3K | Compare ↗ |
| #1,479 | sanity-io/sanity | TypeScript | ★ 6.3K | Compare ↗ |
| #1,481 | microsoft/aspire | C# | ★ 6.3K | Compare ↗ |
| #1,482 | apple/swift-algorithms | Swift | ★ 6.3K | Compare ↗ |
| #1,483 | google/syzkaller This Project | Go | ★ 6.3K | |
| #1,484 | lxc/incus | Go | ★ 6.3K | Compare ↗ |
| #1,485 | alexpasmantier/television | Rust | ★ 6.3K | Compare ↗ |
| #1,486 | rullerzhou-afk/clawd-on-desk | JavaScript | ★ 6.3K | Compare ↗ |
| #1,487 | facebook/redex | C++ | ★ 6.3K | Compare ↗ |
| #1,488 | actions/runner | C# | ★ 6.3K | Compare ↗ |
Frequently Asked Questions
What does syzkaller do? +
syzkaller is an unsupervised coverage-guided kernel fuzzer
What language is syzkaller written in? +
The primary language is Go. Topics include: fuzz-testing, fuzzer, fuzzing, kernel, linux.
Is syzkaller actively maintained? +
Yes, the last recorded push was on Sep 29, 2026 with 636 open issues being tracked.
How many stars does syzkaller have? +
syzkaller has 6,332 stars and 1,452 forks on GitHub.
How does syzkaller rank among GitHub repositories? +
With 6,332 stars, google/syzkaller is ranked #1,483 globally across all repositories tracked on GitHubRepo and #211 among Go projects.
What license is syzkaller distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
