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Description

LibFuzzer serves as an in-process, coverage-guided engine for evolutionary fuzzing. By being linked directly with the library under examination, it injects fuzzed inputs through a designated entry point, or target function, allowing it to monitor the code paths that are executed while creating variations of the input data to enhance code coverage. The coverage data is obtained through LLVM’s SanitizerCoverage instrumentation, ensuring that users have detailed insights into the testing process. Notably, LibFuzzer continues to receive support, with critical bugs addressed as they arise. To begin utilizing LibFuzzer with a library, one must first create a fuzz target—this function receives a byte array and interacts with the API being tested in a meaningful way. Importantly, this fuzz target operates independently of LibFuzzer, which facilitates its use alongside other fuzzing tools such as AFL or Radamsa, thereby providing versatility in testing strategies. Furthermore, the ability to leverage multiple fuzzing engines can lead to more robust testing outcomes and clearer insights into the library's vulnerabilities.

Description

grcov is a tool that gathers and consolidates code coverage data from various source files. It is capable of processing .profraw and .gcda files produced by llvm/clang or gcc compilers. Additionally, grcov can handle lcov files for JavaScript coverage and JaCoCo files for Java applications. This versatile tool is compatible with operating systems including Linux, macOS, and Windows, making it widely accessible for developers across different platforms. Its functionality enhances the ability to analyze code quality and test coverage effectively.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

C
C++
Atheris
ClusterFuzz
Codecov
Coveralls
Fuzzbuzz
GitHub
GitLab
Google ClusterFuzz
HTML
JSON
JaCoCo
Jazzer
Mozilla Firefox
Netlify
Rust
Travis CI
XML Notepad

Integrations

C
C++
Atheris
ClusterFuzz
Codecov
Coveralls
Fuzzbuzz
GitHub
GitLab
Google ClusterFuzz
HTML
JSON
JaCoCo
Jazzer
Mozilla Firefox
Netlify
Rust
Travis CI
XML Notepad

Pricing Details

Free
Free Trial
Free Version

Pricing Details

Free
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

LLVM Project

Founded

2003

Website

llvm.org/docs/LibFuzzer.html

Vendor Details

Company Name

grcov

Website

github.com/mozilla/grcov

Product Features

Product Features

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