{
  "finding_id": "DF-4202",
  "file": "sys/dev/drm/amd/amdgpu/amdgpu_connectors.c",
  "title": "Unchecked drm_cvt_mode() NULL results in amdgpu_connector_lcd_native_mode (:406 deref) and amdgpu_connector_add_common_modes (:460 list_add on NULL) (radeon DF-4035 twin)",
  "verdict": "not reproduced (hardware+OOM-gated; no amdgpu ASIC on guest); source-certain",
  "impact": "none (panic on affected hw)",
  "confidence": "certain",
  "reproduce": {
    "build": "./build.sh  (guest cc -O2 -Wall)",
    "run": "./run.sh   (./trigger_df4202 oom on real hardware)",
    "expected": "on the audit guest: 'no /dev/dri/card0 — no DRM hardware'; on memory-exhausted amdgpu LVDS/eDP hw: panic in get_modes"
  },
  "kernel_refs": ["sys/dev/drm/amd/amdgpu/amdgpu_connectors.c:405-407", "sys/dev/drm/amd/amdgpu/amdgpu_connectors.c:459-460", "sys/dev/drm/drm_modes.c:66-80"],
  "artifacts": ["README.md", "VERDICT.md", "trigger_df4202.c", "build.sh", "run.sh", "build.log", "run.log", "env.txt", "fix.diff", "manifest.json", "verdict.json"]
}