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Integer overflow in mrb_ary_set #3353

clayton-shopify opened this Issue Dec 19, 2016 · 0 comments


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clayton-shopify commented Dec 19, 2016

The following input crashes MRuby:

([0x7fffffff] = 1

It appears the bug is here, where n+1 overflows:

ary_expand_capa(mrb, a, n + 1);

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