DF-4716 / verdict.json
{ "finding_id": "DF-4716", "status": "untested", "reproduced": 0, "impact": "none", "confidence": "certain", "verdict": "wrong-operand condition (m.flags instead of rqe->flags) makes the not the bad subdisk guard at vinumraid5.c:536-538 always true; dead-effect today because XFR_BAD_SUBDISK rqes are never launched, but it is the exact kind of stale guard that hides launch-path lifetime bugs (cf. DF-4721). Info-level hardening; fix.diff corrects the operand. Not PoC-verified: no runtime-observable effect.", "exploit_chain": "", "evidence": "source trace only: request.h:48 (XFR_BAD_SUBDISK set only via rqe->flags at vinumraid5.c:523), vinumrequest.c:410 (launch skip)", "kernel_refs": [ "sys/dev/raid/vinum/vinumraid5.c:536" ], "poc_changes": "n/a (no seeded PoC; static finding)", "attempts": 0, "guest_uname": "", "runtime_sec": 0, "guest_dirty": 0, "build_cmd": "", "run_cmd": "", "code_hash": "", "notes": "Info severity, skipped runtime verification per audit policy (no observable behavior)", "recommended_fix": "test rqe->flags instead of m.flags (fix.diff)" } |