Program received signal SIGSEGV, Segmentation fault.
0xf7535a14 in vfprintf () from /lib/i386-linux-gnu/libc.so.6
(gdb) bt
#0  0xf7535a14 in vfprintf () from /lib/i386-linux-gnu/libc.so.6
#1  0xf7558a89 in vasprintf () from /lib/i386-linux-gnu/libc.so.6
#2  0x0808f13e in ?? ()
#3  0x0805447a in ?? ()
#4  0x08054090 in ?? ()
#5  0x08059ab5 in ?? ()
#6  0x08058bf0 in ?? ()
#7  0x08060404 in ?? ()
#8  0x0805fb52 in ?? ()
#9  0x0805f06a in ?? ()
#10 0x0805f04b in ?? ()
#11 0x08062a51 in ?? ()
#12 0x0805f66e in ?? ()
#13 0x0805b7a3 in ?? ()
#14 0x0805b9e8 in ?? ()
#15 0x08070934 in ?? ()
#16 0x0805b731 in ?? ()
#17 0x0808b31b in ?? ()
#18 0x0808b48f in ?? ()
#19 0x0808b705 in ?? ()
#20 0x0804e2f5 in ?? ()
#21 0x0804e83e in ?? ()
#22 0xf750b4d3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#23 0x0804d5e1 in ?? ()
(gdb)