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address-sanitizer

Detect memory safety violations in C/C++ applications during fuzz testing.

47|5|Updated Apr 25, 2026
Search Tags:#debugging#security testing#c++#memory errors#fuzzing#asan
One-click install
npx skills add https://github.com/RedHatProductSecurity/prodsec-skills --skill address-sanitizer-redhatproductsecurity
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: address-sanitizer
Source: https://github.com/RedHatProductSecurity/prodsec-skills/tree/main/module/skills/address-sanitizer
Command: npx skills add https://github.com/RedHatProductSecurity/prodsec-skills --skill address-sanitizer-redhatproductsecurity

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires asan, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps identify memory safety violations such as buffer overflows and use-after-free errors that can cause application crashes or vulnerabilities.

Core Features & Use Cases

  • Memory Error Detection: Instruments C/C++ code to detect buffer overflows and invalid memory accesses during fuzz testing.
  • Performance Tuning: Provides configuration advice for enabling detailed reports and adjusting memory limits in fuzzing environments.
  • Use Case: Developers fuzz C++ applications to discover memory bugs, ensuring robust and secure software releases.

Quick Start

Compile your C/C++ application with -fsanitize=address, set ASAN_OPTIONS to configure behavior, and run your program to receive detailed memory error reports.

Frequently Asked Questions about address-sanitizer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect memory safety violations like buffer overflows during C++ fuzzing?▼

You can detect memory safety violations by compiling your C/C++ application with `-fsanitize=address` and running it to receive detailed reports on issues like buffer overflows during fuzz testing.

What is AddressSanitizer used for in security testing and debugging?▼

AddressSanitizer instruments C/C++ code to identify memory safety violations such as buffer overflows and use-after-free errors, preventing application crashes and vulnerabilities during security testing.

How do I configure ASAN_OPTIONS for memory error detection?▼

You configure memory error detection behavior by setting `ASAN_OPTIONS` in your environment, which allows you to enable detailed reports and adjust memory limits for your fuzzing workflows.

Does ASAN work with my existing C++ compilation flags?▼

AddressSanitizer requires compatibility with your compilation flags and environmental configurations to effectively instrument code and detect memory errors during fuzz testing.

Why does my fuzzing environment fail to catch use-after-free errors?▼

Your fuzzing environment may fail to catch use-after-free errors if the application is not compiled with `-fsanitize=address` or if `ASAN_OPTIONS` memory limits are not properly configured.

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