{
  "finding_id": "DF-5803",
  "title": "expand_name() logs unterminated/uninitialized kmalloc buffer (%s) -> kernel heap tail disclosure into user-readable log",
  "verdict": "reproduced",
  "impact": "leak",
  "confidence": "certain",
  "reproduce": {
    "build": "sh build.sh  (cc -O -o /tmp/crashy crashy.c; cc -O -o /tmp/groomer groomer.c)",
    "run": "sh run.sh   (groom_rig.sh: groom successful 1023-char expansion, then 1020xA+%N trigger crash; dmesg)",
    "expected": "dmesg line: pid N (crashy), uid (0): Path `AAAA...AAA<069>crashy' is too long -- bytes between the 1020-char prefix and comm are leaked recycled-heap content (tail of previous expansion / pid digits); 3/3 batches"
  },
  "kernel_refs": [
    "sys/kern/kern_sig.c:2453",
    "sys/kern/kern_sig.c:2468",
    "sys/kern/kern_sig.c:2481",
    "sys/kern/kern_sig.c:2493",
    "sys/kern/kern_sig.c:2514",
    "sys/kern/kern_sig.c:2561",
    "sys/kern/imgact_elf.c:960"
  ],
  "artifacts": [
    "README.md", "VERDICT.md", "crashy.c", "groomer.c", "poc.sh", "groom_rig.sh",
    "build.sh", "run.sh", "build.log", "setup.log", "run.log", "run.2.log",
    "leak_sample.txt", "leak_full_line.txt", "env.txt", "fix.diff",
    "verdict.json", "manifest.json"
  ]
}