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Fixed off-by-one error in fiber_switch(); ref #3641
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matz committed May 25, 2017
1 parent f75f506 commit 7e4731655fecd953d3a5f8830267be6e79ab3b00
Showing 1 changed file with 1 addition and 1 deletion.
@@ -190,7 +190,7 @@ fiber_switch(mrb_state *mrb, mrb_value self, mrb_int len, const mrb_value *a, mr
if (c->status == MRB_FIBER_CREATED) {
mrb_value *b, *e;

if (len > c->stend - c->stack) {
if (len >= c->stend - c->stack) {
mrb_raise(mrb, E_FIBER_ERROR, "too many arguments to fiber");
}
b = c->stack+1;

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