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
modules in play: /boot/kernel/drm.ko (stock, contains sys/dev/drm/linux_dma-buf.c), dmabugdemo.ko (PoC helper)
PoC context: sysctl hw.dmabug.panic is CTLFLAG_ANYBODY — fired by uid 65534 (nobody)
Guest has no GPU (QEMU std VGA); dma-buf fd created by kmod calling the stock dma_buf_export()+dma_buf_fd() in the caller's context