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This is a complement to #3362 , and finalize fixes for #3323 .
There are additional unit tests to ensure behavior of
ZSTD_decompressBound()
,including a new "overflow" test which attempts to overflow intermediate results on 32-bit systems
(
ZSTD_decompressBound()
return type isunsigned long long
which is >= 64-bit , therefore only intermediate calculation results feature overflow risks).Fixed the detected overflow.