=== run.sh on UNPATCHED baseline kernel (6.5-DEVELOPMENT #0) ===
+ uname:
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026

+ /tmp/poc818/poc /mnt/h2/trigger (run as maxx uid 1001) :
BULKFREE_SCAN rc=0 errno=0 (Undefined error: 0)
  sstop=134217728 total_size-derived divisor=? (consumed by kernel)
RUN_EXIT=0

+ dmesg bulkfree excerpt (no panic; 128MB image => divisor=13421):
hammer2_bulkfree: Scanning LOCAL
bulkfree lastdrop 1 0
hammer2_bulkfree - range 0000000001400c00-0000000008000000
bulkfree pass statistics (100.00% storage processed):
hammer2: bulkfree buf=1M
hammer2_bulkfree: Scanning DATA
hammer2_bulkfree: Scanning LOCAL
bulkfree lastdrop 1 0
hammer2_bulkfree - range 0000000001400c00-0000000008000000
bulkfree pass statistics (100.00% storage processed):