{
 "finding_id": "DF-3346",
 "status": "reproduced",
 "reproduced": 1,
 "poc_path": "findings/poc/DF-3346",
 "artifact_dir": "findings/poc/DF-3346",
 "build_cmd": "./build.sh",
 "run_cmd": "df3346 poison",
 "code_hash": "1807e6e0e2524172aefc7d2ed0828500eedc0eccc16a1833ddc0a2949d2c46b5",
 "build_log": "build.log",
 "run_log": "allruns.log",
 "impact": "panic",
 "confidence": "certain",
 "verdict": "SIOCSLAGG publishes sc_proto before ti_attach; a failed attach (lacp_attach kmalloc M_NOWAIT failure) leaves sc_proto=LACP with NULL sc_psc, and the NEXT SIOCSLAGG NULL-derefs in lacp_port_destroy. Live trigger needs memory pressure; fault-injection harness (verbatim ordering) faults deterministically.",
 "exploit_chain": "",
 "evidence": "poison case rc=139 (NULL deref); balanced control rc=0; FIXED publish-after-attach + rollback clean",
 "kernel_refs": [
  "sys/net/lagg/if_lagg.c:1086-1117",
  "sys/net/lagg/ieee8023ad_lacp.c:795-804"
 ],
 "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
}