Add blog post about nasty bug

Author: Kobzol

draft/2025-02-26-this-week-in-rust.md

@@ -39,6 +39,8 @@ and just ask the editors to select the category.
 
 ### Observations/Thoughts
 
+* [Tokio + prctl = nasty bug](https://kobzol.github.io/rust/2025/02/23/tokio-plus-prctl-equals-nasty-bug.html)
+
 ### Rust Walkthroughs
 
 ### Research