fuzzing-dictionary

Create a fuzzing dictionary as a text file containing quoted strings, hex escapes for non-printable bytes, and optional key-value pairs to guide fuzzers toward meaningful inputs. This improves coverage and finds deeper issues when fuzzing parsers or protocols.

A fuzzing dictionary is a text file of domain-specific tokens that guides fuzzers toward meaningful inputs. You need one when fuzzing parsers, protocols, or file format handlers to improve coverage and find deeper issues across engines like libFuzzer and AFL++.

Yes, you can use the same fuzzing dictionary across cargo-fuzz, libFuzzer, and AFL++. The dictionary format supports cross-engine compatibility, allowing diverse fuzzing scenarios without modifying the token definitions for each engine.

Add non-printable bytes to a fuzzing dictionary using hex escapes within quoted strings. This allows you to feed fuzzers exact binary tokens required for testing protocols or file format handlers that rely on non-printable control characters.

Yes, the fuzzing dictionary format supports optional key-value pairs alongside quoted strings. This structure helps organize domain-specific tokens when fuzzing complex protocols and file format handlers, guiding fuzzers toward valid input structures.

Validate fuzzing dictionary entries by checking that quoted strings and hex escapes are correctly formatted before applying them to fuzzing workflows. The Skill describes steps for creating, validating, and applying dictionaries to ensure fuzzers parse the tokens properly.