Archive

2025

Feb 9 Persistent Memory in Linux Kexec
Feb 2 Two-Phase eBPF Program Signing

2021

Aug 15 Understanding struct __sk_buff

2019

Mar 14 How to pretend to be a Linux kernel expert

2018

Dec 8 OverTheWire Advent writeup — Boxy
Sep 18 CSAW CTF writeup — A Tour of x86
Aug 25 The design of lock_sock() in Linux kernel
Jul 14 How to pave a way to fascism legally?
Apr 29 BlazeCTF writeup — shellcodeme_hard
Apr 26 BlazeCTF writeup — shellcodeme
Feb 9 记忆中的兰州拉面
Jan 16 Hi, Mark
Jan 9 Defending Spectre/Meltdown attacks
Jan 6 Understanding Spectre/Meltdown attacks

2017

Nov 29 Debugging PIE binaries
Oct 29 Pwnable.kr writeup — asm
Oct 23 Pwnable.kr writeup — unlink
Oct 19 Pwnable.kr writeup — uaf
Oct 16 Pwnable.kr writeup — cmd2
Oct 8 Square CTF writeup — 6yte
Sep 1 The art of exploiting heap overflow, part 7
Aug 21 The art of exploiting heap overflow, part 6
Aug 16 The art of exploiting heap overflow, part 5
Aug 8 SHA2017 CTF writeup — Malware Testrun
Aug 8 SHA2017 CTF writeup — Vod Kanockers
Aug 3 The art of exploiting heap overflow, part 4
Aug 2 The art of exploiting heap overflow, part 3
Jul 31 The art of exploiting heap overflow, part 2
Jul 29 The art of exploiting heap overflow, part 1

2014

Aug 1 Ottawa Linux Symposium

2013

Oct 22 Ingress traffic control

2012

Dec 18 What every programmer should know...
Oct 20 An overview of Openvswitch implementation
Sep 3 C binary literals
Aug 9 撤销 git 操作
Jul 17 Parallelism != Concurrency
Jul 12 Linux kernel memory model
Jul 6 treap
Jun 5 Python memoize decorator
May 29 Dracut: Introduction and Overview
May 25 Floyd's cycle-finding algorithm
May 16 A poem about division
May 9 SEASIDE CANON
May 5 A Programmer's Poem
Jan 19 抵制 SOPA

2011

Dec 17 Polyglot
Jun 17 Sleep sort
Jun 2 Kernel Crash Logging and Core Dump
Mar 16 That is love
Jan 31 LINUX_REBOOT_MAGIC

2010

2009

2008

Dec 26 When I was in Portugal ...
Dec 9 Thank you, Ana!!
Nov 10 Make pthread suck less
Oct 14 fakeroot vs sudo
Sep 30 Lapa do Lobo
Jul 20 Figueira da Foz
Jun 8 Programming and Sex
Apr 1 Happy Joking!
Mar 11 SUID, SGID and sticky bit
Feb 23 Programming Competitions are Considered Harmful
Feb 18 Because I wanted to live deliberately
Jan 20 splice(2) considered useful?

2007