{
 "finding_id": "DF-3186",
 "verdict": "not_reproduced",
 "impact": "denial_of_service",
 "confidence": "certain",
 "reproduce": {
  "build": "guest: cc -O -o patch_undo patch_undo.c; image: newfs_hammer, first mount clean, umount, patch version=3 + alloc skew, remount",
  "run": "guest: mount_hammer /dev/vn0 /mnt/h1 (expect EIO: Failed to recover)",
  "expected": "mount rejects the incongruent alloc_offset with EIO; SET_VERSION unreachable"
 },
 "kernel_refs": [
  "sys/vfs/hammer/hammer_undo.c:381-405",
  "sys/vfs/hammer/hammer_ioctl.c:627-641",
  "sys/vfs/hammer/hammer_recover.c:228-243"
 ],
 "artifacts": [
  "patch_undo.c",
  "run.log",
  "README.md",
  "VERDICT.md",
  "build.sh",
  "run.sh",
  "manifest.json",
  "verdict.json",
  "fix.diff",
  "env.txt"
 ]
}