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OSS-Fuzz - continuous fuzzing for open source software.
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SGills 6d389f49db
Adding urllib3 requests coverage (#9793) 
This change added a new fuzzer `fuzz_requests`. This fuzzes the
`.request` method in urllib3, which opens a lot more coverage.

<img width="653" alt="image"
src="https://user-images.githubusercontent.com/5122866/221026547-8097ef14-bc21-4e4e-a5ab-573048259576.png">

I have created a python `HTTPServer` that provides fuzzed responses to
all the different request types. And I try and drive different
combinations of requests including mixes of headers, bodies and request
types. This gives a nice improvement on current coverage levels [urllib3
fuzz inspector report
2023-02-23](https://storage.googleapis.com/oss-fuzz-introspector/urllib3/inspector-report/20230223/fuzz_report.html).
 		2023-02-28 02:49:16 -08:00
.allstar Opt out of allstar binary artifacts check (#7816) 2022-06-08 09:37:08 -04:00
.clusterfuzzlite Fuzz OSS-Fuzz with Atheris and ClusterFuzzLite (#8985) 2022-11-30 15:37:36 -05:00
.github Add centipede-none job to CI (#9600) 2023-02-06 15:47:29 -05:00
docs Updated Google Analytics (#9777) 2023-02-23 13:00:42 +11:00
infra infra: use an absolute path to the JavaScript fuzz test file (#9788) 2023-02-24 11:29:50 +11:00
projects Adding urllib3 requests coverage (#9793) 2023-02-28 02:49:16 -08:00
.dockerignore [ClusterFuzzLite] Support GCB and gsutil/gcs as filestore. (#6629) 2021-10-27 10:00:04 -04:00
.gitattributes Add .gitattributes to specify LF as .sh line terminator (#7648) 2022-05-02 10:12:06 -04:00
.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
…
README.md Add missing blog posts (#9569) 2023-02-03 01:51:08 +00:00

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. Projects that do not qualify for OSS-Fuzz (e.g. closed source) can run their own instances of ClusterFuzz or ClusterFuzzLite.

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, Python, Java/JVM, and JavaScript 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 February 2023, OSS-Fuzz has helped identify and fix over 8,900 vulnerabilities and 28,000 bugs across 850 projects.

Blog posts