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Restrict recursion levels in method_missing(); fix #3556

Note this is a temporary fix. Error message generation
(including `inspect`) should be deferred until its use.
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matz committed Apr 3, 2017
1 parent d27a3d4 commit f5632f2f12b7ecdfbe624d46b107a597005d25ca
Showing with 1 addition and 1 deletion.
  1. +1 −1 src/kernel.c
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@@ -922,7 +922,7 @@ mrb_method_missing(mrb_state *mrb, mrb_sym name, mrb_value self, mrb_value args)
/* method missing in inspect; avoid recursion */
repr = mrb_any_to_s(mrb, self);
}
else if (mrb_respond_to(mrb, self, inspect) && mrb->c->ci - mrb->c->cibase < 64) {
else if (mrb_respond_to(mrb, self, inspect) && mrb->c->ci - mrb->c->cibase < 16) {
repr = mrb_funcall_argv(mrb, self, inspect, 0, 0);
if (mrb_string_p(repr) && RSTRING_LEN(repr) > 64) {
repr = mrb_any_to_s(mrb, self);

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