Glossary coding Term Page

Double free

Calling `free` twice on the same pointer

double-free #coding#c

Related Concepts

Segmentation fault Use-after-free Memory checking tools

Core Idea

Double free is Calling free twice on the same pointer. It usually makes the most sense alongside Segmentation fault, Use-after-free, Memory checking tools.

Why It Matters Here

Mathbong reuses this term across c posts as shared vocabulary.

Posts Mentioning This Concept

[C Series 14] Finding and Debugging Memory Errors Reproduce common issues like segmentation faults, use-after-free, and double free, then trace them with real debugging tools.[C 시리즈 14편] 메모리 오류를 찾고 디버깅하는 법 세그멘테이션 폴트, 사용 후 해제(use-after-free), 이중 해제 같은 대표적인 메모리 오류를 재현하고 도구로 추적하는 흐름을 익힙니다.