⬢ DragonFlyBSD Kernel Audit
DF-3939 / manifest.json
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{
  "verdict": "inconclusive",
  "impact": "none",
  "confidence": "certain",
  "reproduce": {
    "build": "n/a (hardware-gated: requires AMD Sea Islands GPU + crafted VBIOS)",
    "run": "on CI hardware: flash VBIOS whose ATOM powerplay vdd_dep_on_mclk table has 7-8 distinct MCLK entries and vdd_dep_on_sclk has 8; boot with amdgpu DPM; ci_init_smc_table -> ci_program_memory_timing_parameters writes past the 576-byte stack arb_regs",
    "expected": "stack corruption adjacent to arb_regs (offsets 576..599); panic/corruption on hardened kernels, silent SMC misprogramming otherwise"
  },
  "kernel_refs": [
    "sys/dev/drm/amd/powerplay/smumgr/ci_smumgr.c:1653",
    "sys/dev/drm/amd/powerplay/smumgr/ci_smumgr.c:1658",
    "sys/dev/drm/amd/powerplay/smumgr/ci_smumgr.c:1663",
    "sys/dev/drm/amd/powerplay/smumgr/ci_smumgr.c:2002",
    "sys/dev/drm/amd/powerplay/smumgr/ci_smumgr.h:27",
    "sys/dev/drm/amd/powerplay/inc/smu7_discrete.h:233",
    "sys/dev/drm/amd/powerplay/hwmgr/smu7_hwmgr.c:704",
    "sys/dev/drm/amd/powerplay/hwmgr/processpptables.c:391"
  ],
  "artifacts": [
    "README.md",
    "VERDICT.md",
    "fix.diff",
    "env.txt",
    "manifest.json",
    "verdict.json"
  ]
}