{
 "finding_id": "DF-4295",
 "status": "untested",
 "attempts": 0,
 "reproduced": 0,
 "confidence": "speculative",
 "impact": "Interrupt-context NULL-deref write panic on stray MUSYCC event for an unconfigured channel.",
 "verdict": "source-verified; hardware-gated (LMC1504 PCI absent on audit guest; ng control socket root-only)",
 "exploit_chain": [],
 "evidence": "source-only; full path:line trace in pass-2 result block",
 "kernel_refs": [
  "sys/dev/misc/musycc/musycc.c:820",
  "sys/dev/misc/musycc/musycc.c:649"
 ],
 "guest_uname": "",
 "code_hash": "",
 "artifact_dir": "findings/poc/DF-4295/",
 "fix_status": "not_testable",
 "fix_baseline_reproduced": 0,
 "fix_patched_reproduced": 0,
 "fix_verdict": "NULL guard exactly like the sibling tx_eom/rx_eom handlers",
 "fix_evidence": "source-only"
}