DF-0749 / env.txt
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).