Hardened malloc

What is it?

An excerpt on github [1]:

This is a security-focused general purpose memory allocator providing the malloc API along with various extensions. It provides substantial hardening against heap corruption vulnerabilities.

How to use

Note: Need Alpine Linux Edge with testing repo in /etc/apk/repositories

$ doas apk add hardened-malloc

$ doas echo /usr/lib/libhardened_malloc.so > /etc/ld.so.preload