GNU gdb 6.0
Copyright 2003 Free Software Foundation, Inc.
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(gdb) file sing
Reading symbols from sing...done.
(gdb) run norbert
Starting program: /tmp/SING-1.1/sing norbert
SINGing to norbert (10.50.9.105): 16 data bytes
Program received signal SIGSEGV, Segmentation fault.
0x00013db4 in build_ip (s=7, orig=171049576, ttl=255,
tos=0, prot=1, lenpack=16) at sing.c:595
595 ip_p->ip_hl = (TCAB_IP + len_ipopt) >> 2;