Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platforms. It will gain more portability / integration over time.
Part of a changelist: https://github.com/GrapheneOS/platform_bionic/pull/32 https://github.com/GrapheneOS/device_google_zuma/pull/3 https://github.com/GrapheneOS/platform_frameworks_base/pull/437