Fiber#yield should check C function boundary; fix #3582

03c84933 · Yukihiro "Matz" Matsumoto · 9094415a · 03c84933
Commit 03c84933 authored Apr 11, 2017 by Yukihiro "Matz" Matsumoto
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mrbgems/mruby-fiber/src/fiber.c mrbgems/mruby-fiber/src/fiber.c +1 -0

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--- a/mrbgems/mruby-fiber/src/fiber.c
+++ b/mrbgems/mruby-fiber/src/fiber.c
@@ -326,6 +326,7 @@ mrb_fiber_yield(mrb_state *mrb, mrb_int len, const mrb_value *a)
    mrb_raise(mrb, E_FIBER_ERROR, "can't yield from root fiber");
  }

+  fiber_check_cfunc(mrb, c);
  c->prev->status = MRB_FIBER_RUNNING;
  c->status = MRB_FIBER_SUSPENDED;
  mrb->c = c->prev;