SQLite Bug

Creator

Creator

Seonglae Cho

Created

Created

2026 Aug 17 14:43

Editor

Editor

Seonglae Cho

Edited

Edited

2026 Aug 17 14:45

Refs

Refs

WAL-Reset bug (Write-Ahead Log)
Race Condition

Checkpoint = The process of later applying and merging changes accumulated in the WAL into the actual DB file.

How Tailscale helped find the SQLite WAL-Reset bug

Tailscale and SQLite developers traced maddening corruption incidents to find the WAL-Reset data race, then uncovered a second stale expression index bug.

https://tailscale.com/blog/sqlite-wal-reset-bug

How Tailscale helped find the SQLite WAL-Reset bug

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