The fix passed review. It still crashed in release. The reviewer was never tested. The reviewer was...
The fix passed review. It still crashed in release. The reviewer was never tested.
The reviewer was me. And an AI model. We both approved the same wrong patch.
This is the retrospective. Symptom, root cause, fix. Plus the debugging loop that actually caught it.
The Symptom
A small C++ worker pool returned garbage. Not always. Only with -O2. Only after a few thousand tasks.
This is a submission for DEV's Summer Bug Smash: Smash Stories powered by Sentry. The bug...
Tracked down and fixed the real cause of a memory problem, and accidentally killed production while...
AI-generated code looks perfect but contains subtle bugs that code review misses. Here
Someone opened a pull request against my Safari MCP server last week. Three functions, same treatment...
This is a submission for DEV's Summer Bug Smash: Smash Stories powered by Sentry. This is the story...
U+2028 as a case study in why you must byte-verify your own artifacts, not just other people's diffs.
