readdir_count: 89+ (crafted names listed); stat per name: lookup_ok=8 (low-hash, accidental) vs LOOKUP_MISS x16 (w001,002,004,005,006,009,010,011,012,014,015,018,019,021,023,024)
image: htree.img (e2fsck -fyD indexed) + python-inserted w001..w024 in logical block 1

env: DragonFly 6.5-DEVELOPMENT INVARIANTS kernel, QEMU/KVM 6 vCPU, 4GB RAM