⬢ DragonFlyBSD Kernel Audit
DF-5185 / verdict.json
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{
  "finding_id": "DF-5185",
  "status": "untested",
  "verdict": "untested (requires ICL GPU + root i915.alpha_support + guc_firmware_path; no guest hw)",
  "reproduced": false,
  "impact": "corrupted GuC-visible ADS data (in-blob contained)",
  "confidence": "certain",
  "exploit_chain": "",
  "evidence": "static proof: sparse hw_id table (i915_reg.h:190-197) vs GUC_MAX_ENGINES_NUM=5 arrays (intel_guc_fwif.h:40)",
  "kernel_refs": [
    "sys/dev/drm/i915/intel_guc_ads.c:109",
    "sys/dev/drm/i915/intel_guc_ads.c:113",
    "sys/dev/drm/i915/intel_guc_ads.c:136"
  ],
  "poc_changes": "",
  "attempts": 0,
  "guest_uname": "DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 root@dfbsd:/usr/src/sys/X86_64_GENERIC x86_64",
  "runtime_sec": 0,
  "guest_dirty": 0,
  "build_cmd": "n/a",
  "run_cmd": "n/a",
  "code_hash": "",
  "notes": "Info; Phase V skipped per contract",
  "recommended_fix": "GEM_BUG_ON(engine->guc_id >= GUC_MAX_ENGINES_NUM) before array writes",
  "fix_status": "not_testable",
  "fix_baseline_reproduced": 0,
  "fix_patched_reproduced": 0,
  "fix_verdict": "",
  "fix_evidence": ""
}