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Panic on `attempt to subtract with overflow` #1

neosilky opened this issue Sep 11, 2017 · 1 comment


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commented Sep 11, 2017

Using cargo-fuzz, I found the following bug:

'attempt to subtract with overflow', src/

The line in question subtracts 2 from l but this can be < 2.

I would submit a patch wrapping the line with cond! but the program interface may have to change. As a result, I'll leave it to the developer.

@chifflier chifflier closed this in 6b527da Sep 11, 2017


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commented Sep 11, 2017

Good catch, thanks.
I used verify! to avoid changing the API, and raise a parse error if length is < 2.

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