# DF-3133 environment (all PoC work done as UNPRIVILEGED user maxx, uid 1001)
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
compiler: cc 8.3 [DragonFly] Release/2019-02-22
dirfs in host kernel: NO  (grep -c dirfs /usr/src/sys/conf/files = 0; kldstat | grep -c dirfs = 0)
dirfs build home: sys/platform/vkernel64/conf/files:45-47 (optional dirfs) -> VKERNEL64-only
runs: 3/3 identical (MD5 9dedc739edf9c1e8170b49604c5260b4), exit code 2 each
scenario C victim: /etc/hostid (root-owned) — verified byte-identical state afterwards
guest state after run: clean; /usr/src/sys/vfs/dirfs/dirfs_subr.c md5 7b9115705498ceba6b4c5036d5da7fa2 (pristine, never modified)