⬢ DragonFlyBSD Kernel Audit
DF-0996 / manifest.json
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{
  "finding_id": "DF-0996",
  "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": "b9a306d0f9e7f73e4c245b4cc038294a3be6c13dd327ab55b89b5a9764a94a47",
  "tested_at": "2026-07-22T18:10:00Z",
  "verdict": "NOT_TESTABLE",
  "impact": "none",
  "confidence": "likely",
  "reproduce": {
    "build": "n/a \u2014 vkernel64 target not built on default guest",
    "run": "n/a \u2014 would require building VKERNEL64 and running a workload that issues mlock over a sparse VA range",
    "expected": "no effect on this guest (not reproduced); exits cleanly. See VERDICT.md."
  },
  "kernel_refs": [
    "sys/platform/vkernel64/platform/pmap.c:2622",
    "sys/platform/vkernel64/platform/pmap.c:2637",
    "sys/platform/vkernel64/platform/pmap.c:2638",
    "sys/platform/vkernel64/platform/pmap.c:311",
    "sys/platform/vkernel64/platform/pmap.c:317",
    "sys/platform/pc64/x86_64/pmap.c:5565",
    "sys/platform/pc64/x86_64/pmap.c:5588",
    "sys/vm/vm_fault.c:2636",
    "sys/vm/vm_fault.c:2691"
  ],
  "artifacts": [
    {
      "path": "fix.diff",
      "type": "suggested-fix",
      "desc": "NULL check for pte in pmap_unwire (mirrors pc64)"
    },
    {
      "path": "VERDICT.md",
      "type": "verdict",
      "desc": "full narrative: why bug is real, why not testable on default guest"
    },
    {
      "path": "README.md",
      "type": "readme",
      "desc": "summary + fix"
    },
    {
      "path": "manifest.json",
      "type": "manifest",
      "desc": "this catalog"
    },
    {
      "path": "build.log",
      "type": "build-log",
      "desc": "kernel build log excerpt proving -Werror clean compile of patched source"
    },
    {
      "path": "fix_apply.log",
      "type": "apply-log",
      "desc": "patch --dry-run output proving fix.diff applies cleanly on with-src"
    },
    {
      "path": "env.txt",
      "type": "environment",
      "desc": "guest uname, modules, HW-gate note"
    },
    {
      "path": "../fix_build_combined.log",
      "type": "build-log",
      "desc": "Combined 41-finding kernel build (rc=0, -Werror clean)"
    },
    {
      "path": "../fix_build_summary.txt",
      "type": "build-summary",
      "desc": "Summary of the combined 41-finding kernel build"
    }
  ]
}