Articles by Francesco Cagnin

3 articles

The Open Source Technology Improvement Fund (OSTIF) commissioned Quarkslab to extend the BOLT-based static binary analyser in LLVM to support additional compiler flags for security hardening. This work resulted in the first iteration of a scanner for validating the implementation of -ftrivial-auto-var-init.

Date Tue 18 June 2019
Author Francesco Cagnin
Category Kernel Debugging

This is the second of two blog posts about macOS kernel debugging. In the previous post, we defined most of the terminology used in both articles, described how kernel debugging is implemented for the macOS kernel and discussed the limitations of the available tools; here, we present LLDBagility, our solution for an easier and more functional macOS debugging experience.

Date Tue 07 May 2019
Author Francesco Cagnin
Category Kernel Debugging

This is the first of two blog posts about macOS kernel debugging. Here, we introduce what kernel debugging is, explain how it is implemented for the macOS kernel and discuss the limitations that come with it; in the second post, we will present our solution for a better macOS debugging experience.