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It silently reset 2FA settings for ~3k users with OAuth accounts because it didn't handle NULL vs empty string edge cases in our legacy DB schema
Kappa90 on Hacker News
~3k users
In the thread “Ask HN: Worst bugs from LLM-generated code in production?”
Got in the way: Failed to handle NULL vs empty string edge cases.
Used Copilot to write a user auth migration script. It silently reset 2FA settings for ~3k users with OAuth accounts because it didn't handle NULL vs empty string edge cases in our legacy DB schema. Classic "garbage in, garbage out" situation. …