⬢ DragonFlyBSD Kernel Audit
DF-4534 / manifest.json
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{
  "finding": "DF-4534",
  "verdict": "not_reproduced",
  "impact": "none-observed",
  "reproduce": {
    "build": "cc -O -Wall -o close_lifetime close_lifetime.c",
    "run": "./close_lifetime 300",
    "expected": "structurally: an in-flight lpt_intr crossing the kfree window would read one byte from the freed M_LPT chunk and strobe it to the port (silent); no panic expected in bounded time"
  },
  "kernel_refs": [
    "sys/dev/misc/lpt/lpt.c:596",
    "sys/dev/misc/lpt/lpt.c:598",
    "sys/dev/misc/lpt/lpt.c:605",
    "sys/dev/misc/lpt/lpt.c:856"
  ],
  "artifacts": [
    "README.md", "VERDICT.md", "close_lifetime.c", "build.sh", "run.sh",
    "run.log", "env.txt", "fix.diff", "manifest.json", "verdict.json"
  ]
}