⬢ DragonFlyBSD Kernel Audit
DF-5161 / verdict.json
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{
  "finding_id": "DF-5161",
  "status": "untested",
  "verdict": "untested (dead code in base: zero in-tree alloc/free/purge callers, root-gated module, trigger requires prior DF-2156/2157/2158 corruption)",
  "reproduced": false,
  "impact": "kernel livelock + console spam (corruption-detector amplifier)",
  "confidence": "certain",
  "exploit_chain": "",
  "evidence": "static trace: safe_mem.c:171 loop vs :125-129/:132-137 early returns vs :145-150 unlink",
  "kernel_refs": [
    "sys/dev/misc/tbridge/safe_mem.c:171",
    "sys/dev/misc/tbridge/safe_mem.c:129",
    "sys/dev/misc/tbridge/safe_mem.c:137"
  ],
  "poc_changes": "",
  "attempts": 0,
  "guest_uname": "DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 root@dfbsd:/usr/obj/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": "Low, base:dev bucket; Phase V skipped per contract",
  "recommended_fix": "_free_safe_mem returns int; purge skips bad nodes",
  "fix_status": "not_testable",
  "fix_baseline_reproduced": 0,
  "fix_patched_reproduced": 0,
  "fix_verdict": "",
  "fix_evidence": ""
}