{
 "finding_id": "DF-3359",
 "status": "reproduced",
 "reproduced": 1,
 "poc_path": "findings/poc/DF-3359",
 "artifact_dir": "findings/poc/DF-3359",
 "build_cmd": "cc -O -o <prog> <prog>.c   (on the guest)",
 "run_cmd": "(driver script; listener runs as nobody)",
 "code_hash": "e2ff3b6646cdf089c0aed7256a7585844599868580c9c51086a0723dc4a7458a",
 "build_log": "(inline)",
 "run_log": "live1.log",
 "impact": "leak",
 "confidence": "certain",
 "verdict": "rtsock builders size the DESTINATION from producer sa_len (no write overflow) but bound the SOURCE read by nothing: with the DF-3320 setup planting sin_len=200 into a live in_ifaddr (one-time root misconfiguration), an UNPRIVILEGED nobody listener received kernel heap pointers (0xfffff8004f2e5da0 etc.) via NET_RT_IFLIST (rt_msg_buffer bcopy) AND via RTM_NEWADDR/RTM_DELADDR events (rt_msg_mbuf), 12 poisoned sockaddrs per run.",
 "exploit_chain": "",
 "evidence": "live1.log DF-3359 section: [IFLIST]/[NEWADDR]/[DELADDR] entries with kernel pointers at offsets 56-88; unpriv listener (nobody)",
 "kernel_refs": [
  "sys/net/rtsock.c:1140-1144",
  "sys/net/rtsock.c:1175-1180",
  "sys/net/rtsock.c:1202-1206"
 ],
 "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": "A/B on the combined-fix kernel (kernel #2, rtsock clamp in rt_msg_buffer + rt_msg_mbuf): baseline unprivileged listener received 12 poisoned event sockaddrs (kernel pointers) plus 2 IFLIST entries; patched kernel: PF_ROUTE poisoned events 0, no sa_len=200 entry in NET_RT_IFLIST (remaining sa_len>16 entries are legitimate 20-byte AF_LINK sockaddrs). See fixkernel3.log / fix_run.log.",
 "fix_baseline_reproduced": 1,
 "fix_patched_reproduced": 0,
 "fix_kernel_uname": "DFBSD 6.5-DEVELOPMENT combined-fix kernel (see fixkernel.log)"
}