os/upstream-pins.json

配套源码，运行方法见同目录 README。返回实验总览。

{
  "course": "MIT 6.1810 Fall 2025",
  "repository": "git://g.csail.mit.edu/xv6-labs-2025",
  "verified_on": "2026-10-04",
  "verification": "git ls-remote and a read-only clone of the official starter repository",
  "branches": {
    "util": "db9a9d8b7d82f44a61ce4e3ff165ac755a2aa862",
    "syscall": "0e53502c9eddec54b592c1660dd3d3948de6009e",
    "pgtbl": "cff452f8f70f46e9b22f815fc879242ebe5eacd6",
    "traps": "4270ccc3d1a60f3e0645933a11e275c6e212808d",
    "cow": "cf0eb5bdaaa24f3a46a80d2702af3c9e260c2692",
    "net": "982b43b57332a19e171d58534f13233be7009d1f",
    "lock": "af12b48372ebf7a5d9f441524ebbbc4e255dfe72",
    "fs": "a95dec46d4443c579f47e793e7d731cce2d34388",
    "mmap": "5648f647958db15c43b90e2a03a9c01ac680f472"
  }
}