ci->err may be out of boud; close #1583

parent 7ca2763f
...@@ -81,7 +81,7 @@ mrb_output_backtrace(mrb_state *mrb, struct RObject *exc, output_stream_func fun ...@@ -81,7 +81,7 @@ mrb_output_backtrace(mrb_state *mrb, struct RObject *exc, output_stream_func fun
mrb_irep *irep = ci->proc->body.irep; mrb_irep *irep = ci->proc->body.irep;
mrb_code *pc; mrb_code *pc;
if (mrb->c->cibase[i].err) { if (mrb->c->cibase[i].err && irep && mrb->c->cibase[i].err - irep->iseq < irep->ilen) {
pc = mrb->c->cibase[i].err; pc = mrb->c->cibase[i].err;
} }
else if (i+1 <= ciidx) { else if (i+1 <= ciidx) {
......
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