ByteBuffer: viewBytes should handle negative values #1082
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Motivation: All ByteBuffer API that is used to parse potentially untrusted data should be resilient against negative indices, offsets, and lenghts. Unfortunately, ByteBuffer.viewBytes(at:length:) was not. Modifications: Make ByteBuffer.viewBytes(at:length:) resilient against negative values. Result: Fewer crashes.
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Motivation:
All ByteBuffer API that is used to parse potentially untrusted data
should be resilient against negative indices, offsets, and lenghts.
Unfortunately, ByteBuffer.viewBytes(at:length:) was not.
Modifications:
Make ByteBuffer.viewBytes(at:length:) resilient against negative values.
Result:
Fewer crashes.