{
  "verdict": "inconclusive",
  "impact": "none",
  "confidence": "certain",
  "finding_id": "DF-3626",
  "title": "Unbounded sink-driven retry loop in intel_dp_check_mst_status (MST HPD livelock)",
  "severity": "Medium",
  "reproduce": {
    "build": "n/a — hardware trigger (malicious DP branch device); see README.md attacker spec",
    "run": "n/a on this guest (virtio-only, i915 cannot attach)",
    "expected": "On HSW+ hardware with an evil MST sink: dp_wq kthread spins forever in intel_dp_check_mst_status, display hotplug dead until reboot"
  },
  "kernel_refs": [
    "sys/dev/drm/i915/intel_dp.c:4294",
    "sys/dev/drm/i915/intel_dp.c:4319",
    "sys/dev/drm/drm_dp_mst_topology.c:2450",
    "sys/dev/drm/i915/intel_hotplug.c:496"
  ],
  "artifacts": ["README.md", "VERDICT.md", "fix.diff", "verdict.json", "manifest.json", "env.txt"]
}