#0 0x00007ffff7203694 in _IO_vfprintf_internal (s=s@entry=0x7fffffffd710, format=, format@entry=0x555555764938
, ap=ap@entry=0x7fffffffd970) at vfprintf.c:1635 len = string_malloced = step0_jumps = space = is_short = use_outdigits = step1_jumps = group = prec = step2_jumps = string = left = is_long_double = width = step3a_jumps = alt = showsign = is_long = is_char = pad = step3b_jumps = step4_jumps = is_negative = number = base = the_arg = spec = _buffer = _avail = thousands_sep = grouping = done = f = lead_str_end = end_of_spec = work_buffer = workstart = 0x0 workend = ap_save = nspecs_done = save_errno = readonly_format = args_malloced = specs = specs_malloced = jump_table = #1 0x00007ffff72c78d5 in ___vsnprintf_chk (s=0x555555764855
, s@entry=, maxlen=, flags=1, slen=, format=0x555555764938
, args=0x7fffffffd970) at vsnprintf_chk.c:63 sf = ret =