https://github.com/david-cermak/0xffffe
Fuzzing Fundamentals For Firmware Engineers
https://github.com/david-cermak/0xffffe
firmware fuzzing getting-started
Last synced: about 1 year ago
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Fuzzing Fundamentals For Firmware Engineers
- Host: GitHub
- URL: https://github.com/david-cermak/0xffffe
- Owner: david-cermak
- License: apache-2.0
- Created: 2025-06-11T19:13:13.000Z (about 1 year ago)
- Default Branch: main
- Last Pushed: 2025-06-19T19:25:05.000Z (about 1 year ago)
- Last Synced: 2025-06-19T19:49:03.265Z (about 1 year ago)
- Topics: firmware, fuzzing, getting-started
- Language: Python
- Homepage:
- Size: 1.34 MB
- Stars: 1
- Watchers: 0
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# 0xFFFFE -- Fuzzing Fundamentals For Firmware Engineers
Welcome to **0xFFFFE**, a practical guide and starter toolkit to help embedded developers get started with **fuzzing** -- the art and science of automatically testing your code by throwing unexpected, random, or malformed input at it.
Whether you're writing bare-metal code, working with RTOSes like FreeRTOS or Zephyr, or building embedded Linux systems, fuzzing can help uncover subtle bugs, vulnerabilities, or hard-to-reproduce edge cases.
> **0xFFFFE** = `Fuzzing Fundamentals For Firmware Folks` -- and yes, it's also a very nice address for crashing...
## What is Fuzzing?
Fuzzing is a dynamic testing technique where you feed random or semi-random data into your code to see how it behaves. If your firmware crashes, asserts, leaks memory, or hangs — the fuzzer has done its job.
## Who is this for?
- Embedded developers who **care about robustness and security**
- Firmware engineers who are **new to fuzzing**
- Anyone who wants to **bring fuzzing into CI** for embedded systems
- Engineers working with C, C++, or Rust-based firmware
## What's Inside?
### Projects
Fuzz targets from simple examples for demonstration to real-life application, modules or libraries.
### Tools
Overview of different fuzzers
- Black-box fuzzers
- Grey box fuzzers
- Coverage guided
- State guided, protocol fuzzers
- LLM enhanced
- White box fuzzers
### Methods
- Host tests
- HW in the loop
- QEMU
## Getting started
For concrete examples of specific fuzzing experiments, start with the [`examples`](examples/README.md) directory where you'll find hands-on examples and practical implementations.
