```
../contrib/libcxx/include/vector:1449: _LIBCPP_ASSERT '__n < size()' failed. vector[] index out of bounds Received signal 6 Received signal Aborted (6)
```

https://s3.amazonaws.com/clickhouse-test-reports/39973/24ee3e022df7e970b5925fea657bec3ad7303702/fuzzer_astfuzzerdebug//report.html

{
    size_t num_key_columns = columns.size();
    if (0 == num_key_columns)
        throw Exception("Logical error: no columns passed to Set::execute method.", ErrorCodes::LOGICAL_ERROR);
    auto res = ColumnUInt8::create();
    ColumnUInt8::Container & vec_res = res->getData();
    vec_res.resize(columns.at(0).column->size());
    if (vec_res.empty())
        return res;
    std::shared_lock lock(rwlock);
    
    if (data_types.empty())
    {
        if (negative)
            memset(vec_res.data(), 1, vec_res.size());
        else
            memset(vec_res.data(), 0, vec_res.size());
        return res;
    }
    checkColumnsNumber(num_key_columns);
    
    ColumnRawPtrs key_columns;