{
 "finding_id": "DF-3349",
 "status": "reproduced",
 "reproduced": 1,
 "poc_path": "findings/poc/DF-3349",
 "artifact_dir": "findings/poc/DF-3349",
 "build_cmd": "cc -O -o <prog> <prog>.c   (on the guest)",
 "run_cmd": "(driver script)",
 "code_hash": "c11522249815fda09cc65232c6c3ce5adbbfa789f903d84a8c968f639ed3e22d",
 "build_log": "(inline)",
 "run_log": "live3.log",
 "impact": "none",
 "confidence": "certain",
 "verdict": "lacp_port_destroy never releases the slow-protocols membership / ifma caller reference (if_delmulti_ifma compiled out, lacp.c:584-591): after -laggport the membership persists (PF_ROUTE trace shows NEWMADDR with no DELMADDR) and the ifma allocations leak PERMANENTLY - 20 create/port/remove/destroy cycles grew ether_multi in-use from 38 to 78 (+2 per cycle, surviving interface destroy; the leaked objects also keep ifma_ifp pointing at freed ifnets).",
 "exploit_chain": "",
 "evidence": "live3.log lacp section: NEWMADDR with no DELMADDR; ether_multi 38 -> 78 after 20 cycles",
 "kernel_refs": [
  "sys/net/lagg/ieee8023ad_lacp.c:584-591",
  "sys/net/lagg/ieee8023ad_lacp.c:530-551",
  "sys/net/if.c:2667-2684"
 ],
 "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": "fixed",
 "fix_verdict": "A/B on the combined-fix kernel: baseline leaked +2 ifma per cycle with zero DELMADDR events; patched kernel emits 21 DELMADDR events across 20 create/port/remove/destroy cycles (membership released). See fixkernel.log.",
 "fix_baseline_reproduced": 1,
 "fix_patched_reproduced": 0,
 "fix_kernel_uname": "DFBSD 6.5-DEVELOPMENT combined-fix kernel (see fixkernel.log)"
}