{
  "finding_id": "DF-5460",
  "status": "untested",
  "reproduced": false,
  "impact": "none",
  "confidence": "certain",
  "verdict": "Trace-proven error-path defect (ichsmb.c:132-141: lockuninit with live ISR + leaked smbus child) not exercised live: forcing bus_generic_attach failure while the shared IRQ fires is config/hardware dependent and not reproducible on the QEMU rig. Info/Low severity, privileged config-time window.",
  "exploit_chain": "",
  "evidence": "README.md trace; ichsmb.c:114,124-135,140; ichsmb_pci.c:255-266",
  "kernel_refs": ["sys/bus/smbus/ichsmb/ichsmb.c:124","sys/bus/smbus/ichsmb/ichsmb.c:132","sys/bus/smbus/ichsmb/ichsmb.c:140","sys/bus/smbus/ichsmb/ichsmb_pci.c:265"],
  "poc_changes": "",
  "attempts": 0,
  "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": 0,
  "guest_dirty": 0,
  "build_cmd": "", "run_cmd": "", "code_hash": "",
  "notes": "Low/Info hardening-error-path finding; PoC skipped per audit policy.",
  "recommended_fix": "In the bus_generic_attach failure path, tear down the irq and delete sc->smb before lockuninit.",
  "fix_status": "not_tested", "fix_baseline_reproduced": false, "fix_patched_reproduced": false,
  "fix_verdict": "", "fix_evidence": ""
}