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Welcome to ReactOS

Imagine running your favorite Windows applications and drivers in an open-source environment you can trust.
That's the mission of ReactOS!

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Recent News

Victor Perevertkin hired full-time to work on the storage stack

by Colin Finck

July 14, 2020

I am proud to announce that ReactOS Deutschland e.V. has hired Victor Perevertkin to work full-time on the ReactOS storage stack for the next 3 months. Victor has been a proven contributor to various ReactOS components since 2018. He already got deep into the kernel side of things when writing Btrfs boot sector code in his GSoC debut, later managed the integration of a new USB stack, and recently touched nearly all parts of ReactOS when preparing it for the major upgrade to a new compiler toolchain.

Porting Syzkaller to ReactOS (Evaluation-1) - GSoC 2020

by Freakston

June 30, 2020

Hey, I am Suraj K Suresh (@Freakston), In this post I’m going to be listing out what I’ve completed in Coding period-1 of GSoC. Status The initial part of setting up Syzkaller and being able to fuzz ReactOS is done. The link to grab ReactOS compatible syzkaller is as follows: Github. The detailed instruction on setting it up can be found here. Work-done Boot ReactOS with UBSan enabled. The branch which has UBSan enabled can be found in extravert34’s fork of ReactOS.

Detect kernel information disclosure by Bochspwn-reloaded - GSoC 2020 - First week

by khanhnt

June 4, 2020

Introduction Hello, I am Nguyen Trung Khanh (@khanhnt) from Vietnam and I am one of the GSoC students of ReactOS. My project is running ReactOS on bochspwn-reloaded to list and fix all the bugs which were found by the tool. Additionally, I have a week to implement detection of uninitialized memory use. The first week Before GSoC, I did compile bochspwn-reloaded and run ReactOS on it so my work in the first week is pretty easy.

Porting Syzkaller to ReactOS - GSoC 2020

by Freakston

June 4, 2020

Hey, I am Suraj K Suresh (@Freakston), one of the GSoC students of ReactOS. This is the first time I’ve applied for GSoC and my mentors for the project are Victor Perevertkin and Timo Kreuzer. My project is “Porting Syzkaller to ReactOS”. The project is getting one of the most famous Linux fuzzers to fuzz ReactOS. The project will lead to improvement of the kernel codebase by detecting code crashes.

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