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OSS-Fuzz - continuous fuzzing for open source software.
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Fabian Meumertzheim 587a0bde3f
[jazzer][json-sanitizer] Add json-sanitizer as the first JVM project (#5186) 
json-sanitizer uses Maven and has no native dependencies.

The build file is loosely divided into two parts. The first part is
project-specific, the second one can serve as a template for JVM fuzz
targets without native dependencies.

The following three fuzz targets are added to OSS-Fuzz and can later be
moved into the json-sanitizer tree:

* DenylistFuzzer verifies that the output of json-sanitizer never
  contains certain substrings that can lead to HTML or XML injections.
* IdempotenceFuzzer verifies that json-sanitizer is idempotent.
* ValidJsonFuzzer verifies that the output of json-sanitizer is valid
  JSON by passing it into gson.
 		2021-02-16 10:13:29 -08:00
.github/workflows [infra] Improve test speed (#5118) 2021-02-05 06:10:42 -08:00
docs Update year in copyright header in documentation (#5167) 2021-02-11 10:56:09 -08:00
infra [jazzer] Adapt infra scripting to JVM fuzz targets (#5176) 2021-02-16 07:06:58 -08:00
projects [jazzer][json-sanitizer] Add json-sanitizer as the first JVM project (#5186) 2021-02-16 10:13:29 -08:00
.dockerignore Reland 55d9a81. (#4269) 2020-08-06 14:33:08 -07:00
.gitignore Improve CIFuzz tests (#4868) 2020-12-18 10:37:56 -08:00
.pylintrc Replace terms that are uninclusive. (#5045) 2021-01-25 08:41:34 -08:00
.style.yapf [infra] Add presubmit script (#3196) 2020-01-10 10:19:42 -08:00
CONTRIBUTING.md Delete unnecessary files and fix format in some MD pages (#4115) 2020-07-16 15:27:29 -07:00
LICENSE Create LICENSE 2016-10-03 12:24:25 -07:00
README.md Fix missed AFL++ changes in README.md 2021-01-26 15:29:02 -08:00

README.md

OSS-Fuzz: Continuous Fuzzing for Open Source Software

Fuzz testing is a well-known technique for uncovering programming errors in software. Many of these detectable errors, like buffer overflow, can have serious security implications. Google has found thousands of security vulnerabilities and stability bugs by deploying guided in-process fuzzing of Chrome components, and we now want to share that service with the open source community.

In cooperation with the Core Infrastructure Initiative and the OpenSSF, OSS-Fuzz aims to make common open source software more secure and stable by combining modern fuzzing techniques with scalable, distributed execution.

We support the libFuzzer, AFL++, and Honggfuzz fuzzing engines in combination with Sanitizers, as well as ClusterFuzz, a distributed fuzzer execution environment and reporting tool.

Currently, OSS-Fuzz supports C/C++, Rust, Go and Python code. Other languages supported by LLVM may work too. OSS-Fuzz supports fuzzing x86_64 and i386 builds.

Overview

OSS-Fuzz process diagram

Documentation

Read our detailed documentation to learn how to use OSS-Fuzz.

Trophies

As of January 2021, OSS-Fuzz has found over 25,000 bugs in 375 open source projects.

Blog posts