gdb> bt
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xa7e8e610 in raise () from /lib/libc.so.6
#2  0xa7e8fc70 in abort () from /lib/libc.so.6
#3  0xa7ec29d7 in __fsetlocking () from /lib/libc.so.6
#4  0xa7ec81c2 in malloc_usable_size () from /lib/libc.so.6
#5  0xa7ec9802 in free () from /lib/libc.so.6
#6  0xa7cc4304 in p_cgi_dealloc (ho=0xafffe9d7) at neo_cgi.c:60
#7  0x0807ccf9 in insertdict (mp=0xa7e26714, key=0x7, hash=0xd4cb6ede, value=0x81372d8) at dictobject.c:405
#8  0x0807e6c9 in PyDict_SetItem (op=0xa7e26714, key=0xa7e4b640, value=0x81372d8) at dictobject.c:561
#9  0x080815b4 in PyObject_GenericSetAttr (obj=0xa7e2405c, name=0xa7e4b640, value=0x81372d8) at object.c:1439
#10 0x0808097a in PyObject_SetAttr (v=0xa7e2405c, name=0xa7e4b640, value=0x81372d8) at object.c:1197
#11 0x08080c35 in PyObject_SetAttrString (v=0xa7e2405c, name=0x811a0e7 "_", w=0x81372d8) at object.c:1113
#12 0x080e1c3a in sys_displayhook (self=0x0, o=0xa7deb0a0) at sysmodule.c:105
#13 0x08059c77 in PyObject_Call (func=0x56bc, arg=0xa7de8f8c, kw=0x0) at abstract.c:1792
#14 0x080b5ded in PyEval_CallObjectWithKeywords (func=0xa7e2fc6c, arg=0xa7de8f8c, kw=0x0) at ceval.c:3403
#15 0x080bb5e6 in PyEval_EvalFrameEx (f=0x819007c, throwflag=0x0) at ceval.c:1527
#16 0x080bdc21 in PyEval_EvalCodeEx (co=0xa7dcea60, globals=0xa7e41acc, locals=0xa7e41acc, args=0x0, argcount=0x0, kws=0x0, kwcount=0x0, defs=0x0, defcount=0x0, closure=0x0) at ceval.c:2809
#17 0x080bdc89 in PyEval_EvalCode (co=0xa7dcea60, globals=0xa7e41acc, locals=0xa7e41acc) at ceval.c:491
#18 0x080dc6e0 in PyRun_InteractiveOneFlags (fp=0xa7f7e420, filename=0x8118ca3 "<stdin>", flags=0xafffef88) at pythonrun.c:1224
#19 0x080dc8a0 in PyRun_InteractiveLoopFlags (fp=0xa7f7e420, filename=0x8118ca3 "<stdin>", flags=0xafffef88) at pythonrun.c:703
#20 0x080dc9b2 in PyRun_AnyFileExFlags (fp=0xa7f7e420, filename=0x8118ca3 "<stdin>", closeit=0x0, flags=0xafffef88) at pythonrun.c:672
#21 0x080569a7 in Py_Main (argc=0x0, argv=0xaffff054) at main.c:492
#22 0x08055f92 in main (argc=Cannot access memory at address 0x56bc
) at python.c:23