Messi-Q / FreeWavm

Fuzzing WebAssembly Runtime

FreeWavm

FreeWavm: Fuzzing WebAssembly Runtime via Structure-Aware Mutation

Architecture

1. pymodules/python-mutators: The main file of FreeWavm
2. pymodules/wasm: The implementation of WebAssembly module parser
3. pymodules/mutator: The mutators of FreeWavm

Quick Start

Compiling

make -j$(nproc)

Running

AFL_PYTHON_ONLY=1 AFL_PYTHON_MODULE="pymodules.python-mutators" PYTHONPATH=. ./afl-fuzz -m none -t 500+ -i [input directory with test cases] -o [output directory for fuzzer results] [path to the vm] @@

WebAssembly Corpus

We make our WebAssembly corpus publicly available. Download