{
 "finding_id": "DF-3348",
 "status": "not_reproduced",
 "reproduced": 0,
 "poc_path": "findings/poc/DF-3348",
 "artifact_dir": "findings/poc/DF-3348",
 "build_cmd": "cc -O -o <prog> <prog>.c   (on the guest)",
 "run_cmd": "(driver script)",
 "code_hash": "78ad908268e26b48872693235042c48d5dfc425cee1b17704abc07a35520e195",
 "build_log": "(inline)",
 "run_log": "VERDICT.md",
 "impact": "none",
 "confidence": "likely",
 "verdict": "lagg_sysctl_active walks sc_ports with no LAGG lock (if_lagg.c:1620-1638) and lagg_port_destroy swaps if_ioctl/if_output/if_lagg without the port serializer. Race attempted live: 4000 sysctl walks against 300 port add/remove cycles - no crash (the freed lp is slab-contained and the window needs packet traffic in flight during teardown). Mechanism line-confirmed.",
 "exploit_chain": "",
 "evidence": "run log in VERDICT.md (lagg_race.sh: sysctl=net.link.lagg.0.active, 4000 walks, no crash)",
 "kernel_refs": [
  "sys/net/lagg/if_lagg.c:1620-1638",
  "sys/net/lagg/if_lagg.c:755-775"
 ],
 "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_status": "not_testable",
 "fix_verdict": "Fix: LAGG_RLOCK around the sysctl walk (and hold the port serializer across the if_* swap); not A/B-able without a crash oracle.",
 "fix_baseline_reproduced": null,
 "fix_patched_reproduced": null
}