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
PoC user: uid 1001 (maxx), no privileges
Note: userland sysctl(8) discards CTLTYPE_OPAQUE output ("S,file"); the raw
sysctl(3) call in kfile_leak.c is required to observe the leak.