{
  "finding_id": "DF-4679",
  "title": "i915 stolen: reserved-base above stolen_top u64-wraps g4x/bdw reserved size, bypasses resource_contains at :485, inflates stolen_usable_size (measured 85-96x) -> OOB physical allocations (GEM_BUG_ON inert)",
  "verdict": "reproduced",
  "impact": "dos",
  "reproduce": {
    "build": "cd /root/df4679 && sh build.sh",
    "run": "./i915_stolen_harness && ./i915_stolen_harness fixed",
    "expected": "DF-4679 REPRODUCED (85.47x / 95.97x inflation, worst-case alloc OUTSIDE stolen); FIXED run: usable == real"
  },
  "kernel_refs": [
    "sys/dev/drm/i915/i915_gem_stolen.c:201-229",
    "sys/dev/drm/i915/i915_gem_stolen.c:349-366",
    "sys/dev/drm/i915/i915_gem_stolen.c:470-503",
    "sys/dev/drm/i915/i915_gem_stolen.c:516",
    "sys/dev/drm/include/linux/pci.h:626-642"
  ],
  "artifacts": [
    "README.md",
    "VERDICT.md",
    "i915_stolen_harness.c",
    "build.sh",
    "run.sh",
    "fix.diff",
    "build.log",
    "run.log",
    "fix_run.log",
    "env.txt",
    "manifest.json",
    "verdict.json"
  ]
}