Over the course of several months in early 2025, I contributed multiple patches to the Linux kernel mainline, focusing primarily on concurrency issues, string safety improvements, and hardware-spec...

Most Linux systems rely on binary blobs to activate the full capabilities of hardware like Bluetooth and Wi-Fi chips. But what are these blobs, and how does the kernel load them? Understanding Firm...

General Overview Whenever you want to monitor a file or directory with inotify, you use inotify_init() to get a file descriptor known as “inotify instance”, and then you create a watcher to watch y...

You might have seen “*(char*)0 = 0; - What Does the C++ Programmer Intend With This Code?” where JF Bastien discusses this line of code: *(char*)0 = 0; JF covers the majority of the topics relat...

I was playing with my TCP stack and wondered what would happen if I initialized my TCB struct with nested designated initializers and some strange tricks, which led to a tragedy. struct TCB *ctrl_...