I’ve been doing some research into the Windows Filtering Platform and the information available at each of the various filtering layers. In particular, I’ve been focusing on the information available Read more
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OSR Developer's Blog
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Welcome to the OSR Developer's technical blog. We've relocated the blog here from our OSR Online site to make room for renovations of that site.
This blog is an independent home for our developers to post technical items of interest to the community. It you enjoy it, you can follow our RSS feed from this URL.
3 June 2019
by PeterGV
It was back in 2015 that I wrote my first set of blog posts on Windows driver signing. Then I wrote some more in 2016. And then in 2017 I Read more
8 April 2019
by PeterGV
When I was first named a Microsoft Most Valuable Professional, back in the early 2000’s, I was very proud. Really, I was. There was a cohort of smart, generous, and Read more
4 March 2019
by SNoone
Well, THIS one was a surprise…After triggering a memory leak in a driver, the system surprisingly crashed due to a call to FsRtlIsNameInExpression: # ChildEBP RetAddr 00 b7226d0c 816167b8 nt!RtlpBreakWithStatusInstruction Read more
17 October 2018
by SNoone
As a file system filter developer, one of the great pains in life is when a file system operation fails deep in the bowels of the file system. For example, Read more
15 October 2018
by SNoone
A big complaint I’ve always had about the HLKs is the overhead of getting a system provisioned as the HLK controller. This is made even worse now by the blistering Read more
4 October 2018
by PeterGV
Well, OK… It’s not really 1809 anymore. It’s actually 1810 when I’m writing this. But whatever. There’s a new WDK among us. Before you can install WDK 1809, you’ll need Read more
17 September 2018
by PeterGV
We’re ready… well, at least we think we’re ready. Are YOU? New web site: community.osr.com Questions/Comments/Issues: CommunityMove@osr.com To summarize key points about the move: The move is scheduled to take Read more
5 September 2018
by PeterGV
We have finally fixed on a date when the NTDEV, NTFSD, and WINDBG community site will move: Wednesday, 19 September 2018. Two weeks from now. That’s the TARGET date. Assuming Read more
30 August 2018
by PeterGV
It’s been two whole weeks since a bug in Visual Studio and the Windows Driver Kit has caused all forward progress on a project to stop. So, it must be Read more
What’s New at OSR
FESF for Linux is Now Shipping!
OSR's Framework for building transparent per-file encryption solutions now supports Linux!
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14-18 June 2021, ONLINE ONLY
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- AppcertDLLs do not work in GUI apps 29 July 2021 lapaz
- Moved: Associate original process ID for IRP_MJ_CREATE from localhost UNC file access 26 July 2021 Peter_Viscarola_(OSR)
- WdfDeviceGetSystemPowerAction During Hibernate 26 July 2021 phanikcs
- Proper way of freeing buffers when using NdisSendPackets? (NDIS 5.0) 25 July 2021 brad_H
- Wdf tester not found WDK in 20h1 Os 23 July 2021 jaya