SIGABRT in sym_validate_len - symbol.c:44

File [2] as input causes a sigabrt in mruby. mruby raise an exception in sym_validate_len (symbol.c:44) ``` #0 0x00000000005d3908 in raise () #1 0x00000000005d3b3a in abort () #2 0x0000000000415b52 in mrb_exc_raise (mrb=<optimized out>, exc=...) at /tmp/mruby/src/error.c:310 #3 0x0000000000415c81 in mrb_raise (mrb=0x94fc10, c=<optimized out>, msg=<optimized out>) at /tmp/mruby/src/error.c:318 #4 0x000000000041afdd in sym_validate_len (mrb=0x94fc10, len=65535) at /tmp/mruby/src/symbol.c:44 ```