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In ZSTD_DDictHashSet_addDDict(), missing parentheses in count * COUNT_MULT / size * SIZE_MULT caused left-to-right evaluation as ((count * 4) / size) * 3 != 0, triggering table expansion at 0.25 load factor instead of the documented 0.75 threshold. Additionally, ddictSet was not cleared or freed when resetting context parameters or referencing NULL, retaining dangling dictionary references across resets.
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In ZSTD_DDictHashSet_addDDict(), missing parentheses in count * COUNT_MULT / size * SIZE_MULT caused left-to-right evaluation as ((count * 4) / size) * 3 != 0, triggering table expansion at 0.25 load factor instead of the documented 0.75 threshold.
Additionally, ddictSet was not cleared or freed when resetting context parameters or referencing NULL, retaining dangling dictionary references across resets.