John Wu·Aug 29, 2021State of Magisk: 2021Ever since my employment at Google, crazy speculations has been spreading like wild fire all over the Internet. The out-of-context private…A response icon8A response icon8
John Wu·Mar 10, 2021Linux 系統程式設計 — Logging ShenanigansLogging 幾乎是所有程式必用的功能，是搜集資料跟 debug 極度重要的工具之一。如此「基本」的功能，在多線程 (multi-thread)、多程序 (multi-process) 的程式中竟暗藏巨大陷阱？A response icon1A response icon1
John Wu·Dec 18, 2020Linux 系統程式設計 — Timed Waiting最近在寫 Magisk 一個看似很直觀的功能時，發現實作起來異常困難，而且有非常多「陷阱」在裡頭，決定來記錄一下整個思路歷程整理思緒。希望讀者在讀完本篇文章後，能夠對多線程 (multi-threading) 及多程序 (multi-processing) 有更深入的了解A response icon1A response icon1
John Wu·Jan 24, 2020State of Magisk: 2020Back in 2016, I was the typical Android enthusiast: rooting, flashing ROMs, custom kernels, messing with Xposed and such. I just learned…A response icon2A response icon2
John Wu·Oct 1, 2019Huawei’s Undocumented APIs — A Backdoor to Reinstall Google ServicesA few clicks, and Google Services are back. Sounds good, right?A response icon17A response icon17
John Wu·Nov 22, 2018From Anime Game to Android System Security VulnerabilityHello, I’m @topjohnwu, the developer of the popular Android modding tool: Magisk. In this article I’d love to share the whole journey from…A response icon6A response icon6
