{
 "finding_id": "DF-3393",
 "status": "reproduced",
 "reproduced": 1,
 "poc_path": "findings/poc/DF-3393",
 "artifact_dir": "findings/poc/DF-3393",
 "build_cmd": "./build.sh",
 "run_cmd": "df3393 oob",
 "code_hash": "84856e81fa75e2e8b83b8f31da2aa583a83de59d22cd0aafba48f25f7ce19d83",
 "build_log": "build.log",
 "run_log": "allruns.log",
 "impact": "none",
 "confidence": "certain",
 "verdict": "rn_match exact-compare loop is bounded only by the caller clen(key): an unprivileged RTM_GET with dst sa_len=255 reads up to 239 bytes past the stored 16-byte v4 host-route key. Verbatim rn_match/rn_search/rn_satisfies_leaf harness faults the guard page; the same harness also demonstrates the impact ceiling - the MIN-length discipline in rn_satisfies_leaf masks any equality oracle (mismatch at byte 20 still returns the leaf).",
 "exploit_chain": "",
 "evidence": "caller clen=255 vs 16-byte stored key rc=139 (guard); control (padded alloc) rc=0; FIXED stored-key clamp clean",
 "kernel_refs": [
  "sys/net/radix.c:306-329",
  "sys/net/route.c",
  "sys/net/rtsock.c:780-790"
 ],
 "poc_changes": "",
 "attempts": 3,
 "guest_uname": "DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 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": 60,
 "guest_dirty": 0,
 "runner": "df-bsd-reviewer",
 "notes": "",
 "recommended_fix": "fix.diff",
 "fix_status": "fixed",
 "fix_verdict": "Harness A/B (fixruns.log): the FIXED build - carrying the natural one-line fix in the same verbatim code - runs clean on the exact input that faults the stock build. Kernel not rebuilt for these Low/hardening items.",
 "fix_baseline_reproduced": 1,
 "fix_patched_reproduced": 0
}