Guest: 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
Baseline kernel: #0 (stock, INVARIANTS, X86_64_GENERIC) — debug.dircheck: 0, vfs.usermount: 0
Fix kernel:     #1: Sun Sep  6 10:46:38 UTC 2026 (same tree + fix.diff, make nativekernel KERNEL_RC=0, installkernel INSTALL_RC=0)
Compiler: gcc version 8.3 [DragonFly] Release/2019-02-22
Root fs: hammer2; test images: vn-backed UFS1 (newfs -b 4096 -f 512)
Trigger user: maxx (unprivileged) via su -m; only gate is VOP_EACCESS(dvp,VWRITE) (dir mode 0777)