[admin@localhost ctf-kx_4_ta]$ gdb -q ./vul2
Reading symbols from /home/songkun/ctf-kx_4_ta/vul2...done.
(gdb) b main
Breakpoint 1 at 0x80483f9: file vul2.c, line 10.
(gdb) r aaaa
Starting program: /home/admin/ctf-kx_4_ta/vul2 aaaa
Breakpoint 1, main (argc=2, argv=0xbfffeaf4) at vul2.c:10
10 strcpy(buf,argv[1]);
(gdb) p system
$1 = {<text variable, no debug info>} 0x4023a0 <system>
(gdb) c
Continuing.
test1
Program exited with code 06.
(gdb) r aaaa
Starting program: /home/admin/ctf-kx_4_ta/vul2 aaaa
Breakpoint 1, main (argc=2, argv=0xbfffeaf4) at vul2.c:10
10 strcpy(buf,argv[1]);
(gdb) p system
$2 = {<text variable, no debug info>} 0x2243a0 <system>
(gdb) c
Continuing.
test1
Program exited with code 06.
(gdb) quit
[admin@localhost ctf-kx_4_ta]$
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