**Describe the bug**
https://clickhouse-test-reports.s3.yandex.net/22994/eaa092cae2c633d78c8b5856956df420a8c5096c/fuzzer_asan/report.html#fail1

ActionsDAGPtr leftConvertingActions() const { return left_converting_actions; }
    ActionsDAGPtr rightConvertingActions() const { return right_converting_actions; }
    void setAsofInequality(ASOF::Inequality inequality) { asof_inequality = inequality; }
    ASOF::Inequality getAsofInequality() { return asof_inequality; }
    ASTPtr leftKeysList() const;
    ASTPtr rightKeysList() const; 
    const Names & keyNamesLeft() const { return key_names_left; }
    const Names & keyNamesRight() const { return key_names_right; }
    const NamesAndTypesList & columnsFromJoinedTable() const { return columns_from_joined_table; }
    Names columnsAddedByJoin() const
    {
        Names res;
        for (const auto & col : columns_added_by_join)
            res.push_back(col.name);
        return res;
    }
    
    void setRightKeys(const Names & keys) { key_names_right = keys; }
    
    void splitAdditionalColumns(const Block & sample_block, Block & block_keys, Block & block_others) const;
    Block getRequiredRightKeys(const Block & right_table_keys, std::vector<String> & keys_sources) const;
};
}