AI
An old kernel library had four bugs. An LLM found three of them.
Linus Torvalds used an LLM to read an associative-array fix, then a user-space harness found three more bugs dating to 2013.
Torvalds is testing page-cache reads that skip folio references
A branch in Torvalds’ tree, written with Claude Code, tries to read the page cache without taking folio references on the hot path.