Dev Tools · 2h ago
Flaky test uncovers Redis client use-after-free bug
A flaky test in Buildkite's CI pipeline revealed a use-after-free vulnerability in a Redis client library. The bug, caused by a race condition in connection handling, could lead to crashes or data corruption. The issue was fixed by adding proper reference counting to the client's internal structures.
Meridian48 take
This incident highlights how flaky tests, often dismissed as nuisances, can sometimes expose deep-seated bugs that static analysis might miss.
redisuse-after-free