Lightlines
By trailofbits

harness-writing

trailofbits5k installs

Build reliable fuzzing harnesses for C++ and Rust.

What it does

Guides the creation and refinement of fuzzing harnesses that turn random bytes into useful API tests and reproducible crashes.

When to use it

Use when creating a fuzz target, improving low coverage, investigating non-reproducible crashes, handling structured inputs, or testing related functions together.

How to use it

Give it a codebase to fuzz; it creates or improves a harness and tests its coverage, speed, and crash reproducibility.

What you provide

  • An existing project

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