{
  "finding_id": "DF-2264",
  "verdict": "reproduced",
  "impact": "dos",
  "confidence": "certain",
  "reproduce": {
    "build": "cd findings/poc/DF-2263 && ./build.sh  (same harness kernel)",
    "run": "cd ../DF-2264 && ./run.sh  (sysctl debug.df226x.t2264a=1; self-SIGUSR1 sysctl debug.df226x.t2264b=1)",
    "expected": "unpatched: EINVAL/EINTR with SIM lock status 2 and probe thread blocked forever (wedge); patched: status 0 and probe acquires"
  },
  "kernel_refs": [
    "sys/bus/cam/scsi/scsi_sa.c:849",
    "sys/bus/cam/scsi/scsi_sa.c:860",
    "sys/bus/cam/scsi/scsi_sa.c:875",
    "sys/bus/cam/scsi/scsi_sa.c:878",
    "sys/bus/cam/scsi/scsi_sa.c:912",
    "sys/bus/cam/scsi/scsi_sa.c:914",
    "sys/bus/cam/scsi/scsi_sa.c:920",
    "sys/bus/cam/scsi/scsi_sa.c:1345",
    "sys/bus/cam/cam_periph.c:382",
    "sys/bus/cam/cam_sim.c:55",
    "sys/bus/cam/cam_periph.h:188"
  ],
  "artifacts": [
    "README.md",
    "VERDICT.md",
    "df_pre.c",
    "df_post.c",
    "gen.sh",
    "build.sh",
    "quick.sh",
    "run.sh",
    "run_unfixed.dmesg",
    "run_fixed.dmesg",
    "fix.diff",
    "manifest.json",
    "verdict.json"
  ]
}