DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #1: Thu Jul 9 08:17:53 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64 cc 8.3 [DragonFly] Release/2019-02-22 # Modules loaded at the time of the patched-kernel test: # 4 2 0xffffffff82600000 49000 ipfw3.ko # 5 2 0xffffffff82649000 95000 ipfw3_basic.ko # 6 1 0xffffffff826de000 11000 ipfw3_layer2.ko <- PATCHED # Baseline (#0) environment was identical except: # - kern.version: 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 # - ipfw3_layer2.ko: UNPATCHED (sha256 d8a5d2c464c82fd7ac4c5c25c5b97f104bd110cbe529ded2d46bc330e561567f) sysctl net.filters_default_to_accept: 0 (default) (PoC sets it to 1 before kldload so the box stays reachable long enough for the rule add to round-trip; the bug is independent of this sysctl.) ipfw3 hooks are enabled by default (sysctl_var_fw3_enable=1, ip_fw3.c:138).