Guest: DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026
       root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
       (stock INVARIANTS kernel; hw.ncpu=6)
Patched validation kernel: DragonFly 6.5-DEVELOPMENT #1: Sun Aug 30 13:38:49 UTC 2026
       (fix.diff applied; race STILL reproduces -> fix incomplete)
Compiler: /usr/bin/cc (DragonFly base gcc)
Relevant sysctls: kern.ipc.shm_use_phys (default 1; reliable window needs =2, root-set)
                  kern.ipc.shmmax=2725949440 kern.ipc.shmall=665515 kern.ipc.shmmni=512
Trigger identity: unprivileged user nobody (su -m nobody)