⬢ DragonFlyBSD Kernel Audit
DF-5121 / verdict.json
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{
  "finding_id": "DF-5121",
  "status": "untested",
  "verdict": "untested (VINUMDEBUG-only build; stock vinum.ko verified free of VINUMDEBUG on guest)",
  "reproduced": false,
  "impact": "NULL-deref panic / leaked crit section in debug builds",
  "confidence": "certain",
  "exploit_chain": "",
  "evidence": "source trace in finding markdown + stock-module string verification",
  "kernel_refs": [
    "sys/dev/raid/vinum/vinummemory.c:103",
    "sys/dev/raid/vinum/vinummemory.c:105",
    "sys/dev/raid/vinum/vinummemory.c:108",
    "sys/dev/raid/vinum/vinummemory.c:71",
    "sys/dev/raid/vinum/vinummemory.c:72",
    "sys/dev/raid/vinum/vinummemory.c:79"
  ],
  "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": "requires full kernel rebuild with -DVINUMDEBUG (out of budget for Low)",
  "run_cmd": "n/a",
  "code_hash": "",
  "notes": "Low, root+debug-build gated; Phase V skipped per contract",
  "recommended_fix": "skip tracing when table full instead of returning NULL; move guard inside crit",
  "fix_status": "not_testable",
  "fix_baseline_reproduced": 0,
  "fix_patched_reproduced": 0,
  "fix_verdict": "",
  "fix_evidence": ""
}