StacktraceTop:_IO_vfprintf_internal (s=0x7fff20037a30, buffered_vfprintf (s=0x7fe7757d0860, _IO_vfprintf_internal (s=0x7fe7757d0860, ___vfprintf_chk (fp=0x7fe7757d0860, flag=1, option_error (
StacktraceTop: _IO_vfprintf_ internal (s=0x7fff20037a30, internal (s=0x7fe7757d0860,
buffered_vfprintf (s=0x7fe7757d0860,
_IO_vfprintf_
___vfprintf_chk (fp=0x7fe7757d0860, flag=1,
option_error (