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cargo-fuzz

cargo-fuzz is the primary fuzzing tool for Rust projects built with Cargo. It enables developers to set up fuzz testing, write fuzz harnesses, and run fuzzing campaigns using the libFuzzer backend. Covers installation, harness writing, structure-aware fuzzing with the arbitrary crate, sanitizer integration including AddressSanitizer, coverage analysis, seed corpus management, and troubleshooting common issues. Useful when a developer needs to fuzz Rust code, find memory bugs, test parsers, or improve test coverage in a Cargo-based project.

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Updated 3/17/2026
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quick start

Installation and usage

cargo-fuzz is the primary fuzzing tool for Rust projects built with Cargo. It enables developers to set up fuzz testing, write fuzz harnesses, and run fuzzing campaigns using the libFuzzer backend. Covers installation, harness writing, structure-aware fuzzing with the arbitrary crate, sanitizer integration including AddressSanitizer, coverage analysis, seed corpus management, and troubleshooting common issues. Useful when a developer needs to fuzz Rust code, find memory bugs, test parsers, or improve test coverage in a Cargo-based project.

Installation
$ install --globalskills.sh
Usage

Once installed, you can use this skill by running the following command in your terminal:

skills use cargo-fuzz