StacktraceTop:_IO_vfprintf_internal (s=0x7fff052b1620, format=0x7f7ffbca4e1e "%s\n", _IO_vfprintf_internal (s=0x7fff052b1620, format=0x7f7ffbca4e1e "%s\n",
StacktraceTop: _IO_vfprintf_ internal (s=0x7fff052b1620, format= 0x7f7ffbca4e1e "%s\n", internal (s=0x7fff052b1620, format= 0x7f7ffbca4e1e "%s\n",
_IO_vfprintf_