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Memory leak in time_alloc #4308

clayton-shopify opened this Issue Mar 1, 2019 · 0 comments


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commented Mar 1, 2019

The following input demonstrates a memory leak:

loop do
rescue ArgumentError

It appears the issue occurs because mrb_malloc is called here:

tm = (struct mrb_time *)mrb_malloc(mrb, sizeof(struct mrb_time));

After that, a call to time_update_datetime is made:
time_update_datetime(mrb, tm);

But time_update_datetime raises if the input value is out of range, and in that case it seems that tm leaks.

This issue was reported by Bhargava Shastry (

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