⬢ DragonFlyBSD Kernel Audit
DF-4022 / manifest.json
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{
  "finding_id": "DF-4022",
  "title": "NULL-deref panic via boot_ps/ps_priv NULL in rv770_dpm_enable->rv770_init_smc_table when the VBIOS power table lacks a BOOT state (or ucStateEntrySize<=1), or dpm.init failed (ignored at radeon_pm.c:1448)",
  "verdict": "inconclusive",
  "impact": "none_observed_panic_on_hardware",
  "reproduce": {
    "build": "n/a (hardware-gated; source chain in VERDICT.md)",
    "run": "n/a; on RV770-family hw: attach with crafted VBIOS -> Fatal trap 12 page fault in rv770_get_ps",
    "expected": "kernel panic at drm attach"
  },
  "kernel_refs": [
    "sys/dev/drm/radeon/rv770_dpm.c:2271",
    "sys/dev/drm/radeon/rv770_dpm.c:2304",
    "sys/dev/drm/radeon/rv770_dpm.c:2172",
    "sys/dev/drm/radeon/rv770_dpm.c:2368",
    "sys/dev/drm/radeon/rv770_dpm.c:1898",
    "sys/dev/drm/radeon/rv770_dpm.c:1901",
    "sys/dev/drm/radeon/rv770_dpm.c:1956",
    "sys/dev/drm/radeon/rv770_dpm.c:1170",
    "sys/dev/drm/radeon/rv770_dpm.c:1176",
    "sys/dev/drm/radeon/radeon_pm.c:1448",
    "sys/dev/drm/radeon/radeon_pm.c:1449",
    "sys/dev/drm/radeon/radeon_pm.c:1453",
    "sys/dev/drm/radeon/radeon_asic.c:1216",
    "sys/dev/drm/radeon/radeon_asic.c:1285"
  ],
  "artifacts": ["README.md", "VERDICT.md", "env.txt", "fix.diff", "manifest.json", "verdict.json"]
}