custom-memory-heap-crash

Debug release-only crashes from custom memory heap and static destruction order.

Updated Feb 24, 2026
One-click install
npx skills add https://github.com/Zurybr/lefarma-skills --skill custom-memory-heap-crash
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: custom-memory-heap-crash
Source: https://github.com/Zurybr/lefarma-skills/tree/main/letta/benchmarks/trajectory-only/custom-memory-heap-crash
Command: npx skills add https://github.com/Zurybr/lefarma-skills --skill custom-memory-heap-crash

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers diagnose and fix difficult memory corruption and crash issues that only appear in release builds, often related to custom memory allocators and static object destruction.

Core Features & Use Cases

  • Release-Build Specific Debugging: Focuses on issues masked by debug builds.
  • Custom Allocator Analysis: Provides strategies for memory managers interacting with C++ standard library internals.
  • Static Destruction Order: Addresses crashes occurring after main() returns due to complex object lifetimes.
  • Use Case: You're experiencing segfaults in your C++ application's release build during program shutdown, but not in debug. This skill guides you through analyzing your custom heap and its interaction with static object destructors.

Quick Start

Use the custom-memory-heap-crash skill to debug a segfault that occurs only in release builds after main() returns.

Frequently Asked Questions about custom-memory-heap-crash

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

FAQPage Schema
Why does my C++ application crash with a segfault only in release builds after main returns?

Release-only segfaults after main returns often stem from custom memory heap interactions with static object destruction order. This skill provides a systematic workflow to analyze use-after-free errors and memory corruption during shutdown masked by debug builds.

How do I debug use-after-free errors caused by a custom allocator interacting with C++ standard library internals?

Debug custom allocator use-after-free errors by analyzing memory lifecycles and allocation sources interacting with C++ standard library internals like locale and iostream. This skill guides deep analysis of these interactions to isolate corruption during program shutdown.

What causes memory corruption during C++ program shutdown when using a custom memory manager?

Memory corruption during C++ shutdown is frequently caused by static object destruction order conflicting with custom memory manager lifecycles. This skill helps trace allocation sources and memory lifecycle mismatches causing use-after-free errors in release builds.

How do compiler optimizations in release builds mask custom memory heap crashes?

Compiler optimizations in release builds alter memory layouts and object lifetimes, often masking custom memory heap crashes present in unoptimized code. This skill requires deep analysis of optimization effects on custom allocators to diagnose these release-specific segfaults.

Does this skill address static destruction order issues interacting with custom C++ allocators?

Yes, this skill directly addresses crashes occurring after main returns due to complex static object lifetimes. It provides strategies to analyze static destruction order and its interaction with custom memory heap implementations.

What is the best way to debug C++ release-only memory heap crashes without debug symbols?

Debugging C++ release-only memory heap crashes requires systematically analyzing memory lifecycles, allocation sources, and optimization effects without relying on debug symbols. This skill provides a structured workflow for diagnosing custom allocator interactions.