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OSR Developer's Blog

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.



PSA: FsRtlIsNameInExpression Can Raise an Exception

Well, THIS one was a surprise…After triggering a memory leak in a driver, the system surprisingly crashed due to a call to FsRtlIsNameInExpression:

As best we could tell we Read more


NTFS Status Debugging

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


Ready for the Community Move?

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