atheris
trailofbits4.8k installs
Find crashes in Python code and C extensions.
What it does
Creates and runs Atheris fuzzing harnesses to find crashes in Python code and memory corruption in Python C extensions.
When to use it
Use for coverage-guided Python fuzzing, testing C extensions for memory corruption, or when libFuzzer integration or AddressSanitizer support is needed.
How to use it
Give it a Python target; it creates an instrumented fuzzing harness and runs a campaign against the target.
What you provide
- An existing project
Latest review
What you need · 3
Requires Python 3.7 or later.
Requires a recent clang version, preferably the latest release.
Supports 32-bit and 64-bit Linux and macOS; recommends Linux for simpler management and often faster fuzzing.
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