Blogs

Porting Syzkaller to ReactOS Final Evaluation - GSoC 2020

Hello everyone, I am Suraj K Suresh, the one working on the GSoC project of “Porting Syzkaller to ReactOS”. It’s been 3 whole months since GSoC has begun and this is the last evaluation period. During the last 3 months, I worked on various parts of Syzkaller and getting them up and running on ReactOS and Windows with the help of my Mentors. This blog post will be a wrap-up post of the GSoC project.

Detect kernel information disclosure by Bochspwn-reloaded - GSoC 2020 - Final report

After 3 months since the last blog, I found and pull the patches of 12 memory disclosure bugs: [NTOS:PS] Fix stack memory disclosure in PsGetContextThread: merged [Win32SS][USER] Fix stack memory disclosure in NtUserBuildPropList: merged [MOUNTMGR] Fix pool memory disclosure in QueryPointsFromMemory: merged [Win32SS][GDI] Fix pool memory disclosure in NtGdiGetGlyphOutline: merged [DRIVERS] Fix pool memory disclsoure in CreateDiskDeviceObject of disk driver: closed [NTGDI] Fix stack memory disclosure in NtGdiGetTextMetricsW: merged [NTOS:KE] Fix stack memory disclosure in KiInitializeUserApc: merged [NTOS:IO] Fix pool memory disclosure in IopQueueTargetDeviceEvent: merged [Win32SS][GDI] Fix pool memory disclosure in NtGdiGetOutlineTextMetricsInternalW: merged [WIN32SS][NTUSER] Fix uninitialized memory cause memory disclosure used for KeUserModeCallback: merged [FILESYSTEMS] Fix pool memory disclosure in filesystem drivers supporting FS_INFORMATION_CLASS.

Rapps Enhancement final report - GSoC 2020

Hi, I’m He Yang (@kernel.bin), one of the GSoC-2020 students of ReactOS. How time flies, three months have passed and now GSoC is coming to an end. During the last three months, I’ve been working on rapps, and I’ve made some small progress on it: improving rapps by increasing it’s functionality, stability, and make the code more well-organized. During GSoC, I’ve acquired a lot of coding skills and knowledge about Win32.

Syzkaller - Fuzzing ReactOS in 2020

Hello everyone. In this blog post, I will be talking about the steps to set up Syzkaller for ReactOS locally and start fuzzing. If you have been following the blog posts on the ReactOS website then you would have noticed that this is my Google Summer of Code 2020 Project. Now that Coding period 2 has officially come to an end and the work is nearing completion, this post will help others in setting up the fuzzer get started with fuzzing.

Rapps Enhancement stage 1 & 2 - GSoC 2020

Hi, I’m He Yang (@kernel.bin), one of the GSoC-2020 students of ReactOS. Two months have passed since GSoC started, and during these two months, I’ve made some progress on ReactOS Application Manager (RAPPS), the project I’m working on. In this blog, I will list out what I’ve accomplished in these two months, and what I’m planning to do in the next month. The work I’ve done in Stage 1&2 Stage 1 During stage 1, I mainly focused on screenshot and icon support and various small improvements.

Porting Syzkaller to ReactOS (Evaluation-1) - GSoC 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

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

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.

Rapps Enhancement - GSoC 2020

Hello, I am He Yang (@kernel.bin) from China. This year, I signed up for GSoC, and I’m very glad to be given the chance to work with the ReactOS team. My mentors for the project are Mark Jansen and Ioannis Adamopoulos. It’s a great honor to have two mentors to guide me. My project is “Application manager RAPPS”. RAPPS is used by almost everyone using ReactOS, thus making it essential to get RAPPS easy-to-use, powerful and bug-free.

GSoC 2019 - File Search (Final Report)

This is a summary of all the work that has been completed this summer on the file search project. All contributed code can be found in this GitHub pull request. Summary Here is a list of the main features: Quickly open it from the Start menu or with the keyboard shortcut Windows + F Search is case-insensitive and recurses all sub-folders Support for UTF-16 encoded text files File name filtering with support for wildcards "