hardened_malloc

Server & OS Management

A security‑focused general‑purpose memory allocator that hardens against heap corruption while reducing metadata overhead and fragmentation

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C Latest 14 · 3mo ago Security brief →

Features

Provides malloc API with extensive hardening extensions to prevent heap corruption
Reduces metadata overhead and memory waste via fine‑grained size classes and slab scaling beyond 4 KB
Supports scalable, independent arenas with per‑size‑class locking for high concurrency
Offers configurable guard slabs and memory tagging for additional integrity checks

Recent releases

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14 Bug fix 3mo

Memory allocator improvements including edge case fix for realloc operations from small allocations, libdivide library update, and GCC 15 warning suppression.

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