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Adventures of porting MUSL to PS4

Over the last year or so, I've been working with the OpenOrbis team to develop a toolchain for building homebrew for the PS4, and one of the challenges we faced was porting a proper libc to the console. This article dives into some of the interesting lessons learned while porting MUSL to the PS4.

Learn Exploit Development While Not Dying from COVID-19

With so many countries recommending self-isolation in the past little while we thought it might be useful to recommend some excellent learning resources to help enable you make the most of the extra time you might find yourself with. These are generally solid resources that will also be entertaining and engaging to work through and a focus on beginner friendly resources. We've also put out a Youtube video discussing all of these points along with some side discussion about stuff like whether

Analyzing Android's CVE-2019-2215 (/dev/binder UAF)

Over the past few weeks, those of you who frequent the DAY[0] streams over on our Twitch may have seen me working on trying to understand the recent Android Binder Use-After-Free (UAF) published by Google's Project Zero (p0). This bug is actually not new, the issue was discovered and fixed in the mainline kernel in February 2018, however, p0 discovered many popular devices did not receive the patch downstream. Some of these devices include the Pixel 2, the Huawei P20, and Samsung Galaxy S7, S8,