msgp: fuzz test: fix overflow on 32-bit systems #412
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On 32-bit systems, int(sz) can yield a negative value, which in turn leads to us passing a negative value to fwd.Reader.Next. (See philhofer/fwd#36.) The simplest fix here is just to check that the conversion doesn't yield a negative value.
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On 32-bit systems, int(sz) can yield a negative value, which in turn leads to us passing a negative value to fwd.Reader.Next. (See philhofer/fwd#36.)
The simplest fix here is just to check that the conversion doesn't yield a negative value.