DF-0474 / run.sh
#!/bin/sh # DF-0474 run: install buggy rule (F_LEN=0) to trigger infinite loop. # Requires: sysctl net.filters_default_to_accept=1; kldload ipfw3; kldload ipfw3_basic # On UNFIXED kernel: outgoing packets hang after this; kldunload ipfw3_basic hangs. # On FIXED kernel: ip_fw3_chk skips the rule (break on cmdlen==0); no hang. cd "$(dirname "$0")" ./df0474_install |