⬢ DragonFlyBSD Kernel Audit
DF-4038 / manifest.json
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{
  "finding_id": "DF-4038",
  "title": "polaris10 clock-stretcher walk overflows Sclk_voltageOffset[8] using the raw VBIOS SCLK-dependency count; AVFS walk OOB-reads entries[i<8] when the count is lower",
  "file": "sys/dev/drm/amd/powerplay/smumgr/polaris10_smumgr.c",
  "verdict": "inconclusive",
  "impact": "none (demonstrated source-certain; hw-gated)",
  "severity": "Medium",
  "reproduce": {
    "build": "./build.sh",
    "run": "./run.sh",
    "expected": "run.log section DF-4038 shows the OOB/panic-branch/fault proof"
  },
  "kernel_refs": [
    "sys/dev/drm/amd/powerplay/smumgr/polaris10_smumgr.c:1555",
    "sys/dev/drm/amd/powerplay/smumgr/polaris10_smumgr.c:1574",
    "sys/dev/drm/amd/powerplay/smumgr/polaris10_smumgr.c:1579",
    "sys/dev/drm/amd/powerplay/smumgr/polaris10_smumgr.c:1688",
    "sys/dev/drm/amd/powerplay/smumgr/polaris10_smumgr.c:1690",
    "sys/dev/drm/amd/powerplay/inc/smu74_discrete.h:361",
    "sys/dev/drm/amd/powerplay/inc/smu74.h:758"
  ],
  "artifacts": [
    "polaris_walks.c",
    "build.sh",
    "run.sh",
    "build.log",
    "run.log",
    "env.txt",
    "fix.diff",
    "fix_build.log",
    "README.md",
    "VERDICT.md",
    "manifest.json",
    "verdict.json"
  ]
}