Summary & Key Takeaways ​

• A novel Linux pattern enables SQLite database files to be directly executed as binaries.
• This method involves setting SQLite's application ID to "SELF" (Structured Executable & Linkable Format).
• ELF executable components are stored within SQLite tables using a specific schema.
• A custom self-exec interpreter extracts and runs these components.
• Linux's binfmt_misc mechanism can be configured to recognize and execute these special SQLite files.

Our Commentary ​

This is one of those "wait, what?" moments. Using a SQLite database as an executable? That's just wild. It's a deep dive into system-level trickery that I find incredibly fascinating, even if it's not directly applicable to my daily web dev work. It makes me think about the hidden potential in seemingly mundane file formats. Simon Willison always finds the coolest stuff.