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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.

NTSTATUS to Win32 Error Code Mappings

TL;DR: Shortcut to a PDF version of the NTSTATUS to Win32 ERROR code mapping table: PDF version of The Table here Some time ago, for reasons known only to our Read more

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:  # ChildEBP RetAddr  00 b7226d0c 816167b8 nt!RtlpBreakWithStatusInstruction Read more