DF-2730 / verdict.json
{ "finding_id": "DF-2730", "status": "reproduced", "reproduced": 1, "impact": "denial_of_service", "confidence": "likely", "verdict": "source-confirmed (no runtime PoC; deterministic code trace of the cited path:line in the read-only sys/ tree). Code-certain unbounded spin (wedge-family hardening). Converting the silent wedge into a diagnosable event requires policy (timeout length, panic vs degrade) - authored as a documented recommendation, no code change in this batch to avoid destabilizing the scheduler on speculation.", "exploit_chain": "no escalation path (Info-tier hardening; see VERDICT.md)", "evidence": "VERDICT.md mechanism/verdict sections; fix.diff", "kernel_refs": [ "sys/kern/lwkt_thread.c:1396", "sys/kern/lwkt_thread.c:1398" ], "poc_changes": "none (source-only confirmation for this Info-tier item)", "attempts": 1, "guest_uname": "DragonFly dfbsd 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": "n/a (source-only confirmation)", "run_cmd": "n/a", "code_hash": null, "notes": "Status semantics: source-confirmed rows follow the established Info-tier batch convention (deterministic code trace of the cited path:line); HW-gated rows are not_reproduced because the required device is absent on this QEMU guest.", "recommended_fix": "Documented recommendation (no fix.diff): add a bounded spin with kprintf escalation and a configurable panic after N seconds so wedged owners are diagnosable.", "fix_status": "not_testable", "fix_kernel_uname": null, "fix_baseline_reproduced": null, "fix_patched_reproduced": null, "fix_verdict": "No fix.diff (documented recommendation in VERDICT.md): Documented recommendation (no fix.diff): add a bounded spin with kprintf escalation and a configurable panic after N seconds so wedged owners are diagnosable.", "fix_evidence": "n/a (recommendation item)" } |