Meanwhile, in a production database…

Tailscale Traces Database Corruption to 16y/o SQLite WAL-Reset Bug tailscale.com

Engineers chasing corrupted databases traced the damage to a bug that had been sitting in SQLite, one of the most widely deployed pieces of software on Earth, for 16 years. It involved resetting the write-ahead log at exactly the wrong moment, a combination nobody had managed to hit until now.