⬢ DragonFlyBSD Kernel Audit
DF-3732 / manifest.json
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{
  "finding_id": "DF-3732",
  "title": "ciss_init_pci: unvalidated firmware transport_offset maps ciss_perf outside the BAR; ciss_init_perf writes through it",
  "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",
  "code_hash": "eafc074c7b8b998ec87d1ce8b344f6631b00bce55b63e80ae7673a7ed091817d",
  "verdict": "INCONCLUSIVE",
  "impact": "none",
  "confidence": "likely",
  "reproduce": {
    "build": "(none - source-level pack)",
    "run": "(none - source-level pack)",
    "expected": "no runnable trigger (no HP Smart Array hardware on guest)"
  },
  "kernel_refs": [
    "sys/dev/raid/ciss/ciss.c:646",
    "sys/dev/raid/ciss/ciss.c:694",
    "sys/dev/raid/ciss/ciss.c:926",
    "sys/dev/raid/ciss/ciss.c:941",
    "sys/dev/raid/ciss/cissreg.h:414"
  ],
  "fix_status": "inconclusive",
  "artifacts": [
    {
      "path": "VERDICT.md",
      "type": "verdict",
      "desc": "full narrative: mechanism, path:line, harness proof, fix"
    },
    {
      "path": "fix.diff",
      "type": "suggested-fix",
      "desc": "validate cfg->transport_offset against the BAR window before mapping ciss_perf; else fall back to simple transport"
    },
    {
      "path": "fix_apply.log",
      "type": "apply-log",
      "desc": "patch --dry-run on guest /usr/src (clean)"
    },
    {
      "path": "fix_build.log",
      "type": "build-log",
      "desc": "ciss.ko rebuilt with all 7 pass-2 fixes at -Werror, link rc=0"
    },
    {
      "path": "env.txt",
      "type": "environment",
      "desc": "guest uname, no-HW proof, module presence"
    },
    {
      "path": "README.md",
      "type": "readme",
      "desc": "human reproduce doc"
    },
    {
      "path": "manifest.json",
      "type": "manifest",
      "desc": "this file"
    },
    {
      "path": "verdict.json",
      "type": "verdict",
      "desc": "machine verdict (persist_poc.py schema)"
    }
  ]
}