How to execute an object file: Part 2
April 02, 2021 12:00PM
Continue learning how to import and execute code from an object file. This time we will investigate ELF relocations....
How to execute an object file: Part 1
March 02, 2021 12:00PM
Linux Compiler Programming Software Deep DiveEver wondered if it is possible to execute an object file without linking? Or use any object file as a library? Follow along to learn how to decompose an object file and import code from it along the way....
Diving into /proc/[pid]/mem
October 27, 2020 12:00PM
Deep Dive Programming LinuxA few months ago, after reading about Cloudflare doubling its intern class, I quickly dusted off my CV and applied for an internship. Long story short: now, a couple of months later, I found myself staring at Linux kernel code and adding a pretty cool feature to gVisor....
Raking the floods: my intern project using eBPF
September 18, 2020 12:00PM
eBPF Linux UDP ProgrammingSYN-cookies help mitigating SYN-floods for TCP, but how can we protect services from similar attacks that use UDP? We designed an algorithm and a library to fill this gap, and it’s open source!...
When Bloom filters don't bloom
March 02, 2020 1:00PM
Deep Dive Hardware Optimization Programming ToolsLast month finally I had an opportunity to use Bloom filters. I became fascinated with the promise of this data structure, but I quickly realized it had some drawbacks. This blog post is the tale of my brief love affair with Bloom filters....
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