Which debugging tools does it support?

It recommends and provides implementation guidance for ASan (AddressSanitizer), UBSan (UndefinedBehaviorSanitizer), and Valgrind.

How does this skill improve C code security?

It enforces best practices for memory management, including rigorous bounds checking and size validation to prevent overflows and leaks.

Does this skill work with specific memory libraries?

Yes, it specifically includes patterns for talloc, a hierarchical memory pool system, while addressing manual allocation risks.

Is it useful for legacy code reviews?

Yes, it identifies 'red flags' like manual pointer arithmetic and unsafe memcpy usage commonly found in older codebases.

Can it help with integer overflows?

Absolutely. It provides guidance on validating sizes before allocation and checking signed/unsigned conversions to avoid memory corruption.

C Memory Safety & Security

Name: C Memory Safety & Security
Author: mgreenly

bymgreenly

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Security & Testing

Safeguards native C code by enforcing memory safety patterns, bounds checking, and preventing common vulnerabilities like buffer overflows.

This skill equips Claude with specialized knowledge for auditing and writing secure C code, focusing on the most critical vulnerability classes in native development. It provides specific guidance on using hierarchical memory systems like talloc, performing rigorous bounds checks, avoiding integer overflows, and integrating essential detection tools like ASan and Valgrind into the development workflow. By applying these patterns, developers can significantly reduce the risk of use-after-free errors and memory corruption in low-level applications.

Key Features

01Mitigates buffer overflows and use-after-free (UAF) vulnerabilities

02Integrates industry-standard detection tools like ASan, UBSan, and Valgrind

03Detects and prevents integer overflow risks during buffer size calculations

041 GitHub stars

05Enforces strict bounds checking for all array and pointer accesses

06Guides the transition from manual pointer arithmetic to safer hierarchical ownership

Use Cases

01Setting up automated security testing pipelines using AddressSanitizer (ASan)

02Auditing legacy C code for potential memory-related security vulnerabilities

03Implementing secure memory allocation patterns using talloc in native applications

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add mgreenly/ikigai memory-safety

For use in Claude.ai and ChatGPT

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