ipfw bug on i386

srv5# more /tmp/a.sh
table="24"
ipfw table $table flush
for octet3 in `jot - 1 60`
do
  for octet4 in `jot - 1 254`
   do
     echo "table $table add 192.168.$octet3.$octet4" >> /tmp/$$.txt
   done
done
ipfw /tmp/$$.txt
rm -f /tmp/$$.txt

effect:

srv5# sh /tmp/a.sh
Abort trap (core dumped)
srv5#
srv5# ll ipfw.core
-rw-------  1 root  wheel  -  1,9M 11 апр 11:22 ipfw.core
srv5#

Tested on 8,9 i386 - core dump, amd64 - all OK
7 - all OK