Question for my linked list code, odd bug

I have a problem with this code, I don't know why it stops looping the second switch(input) after inputing the datas 3 times.

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

struct Node{
	char Name[50];
    int value; 
    Node *next, *prev; 
}*head, *tail;


Node* createNode(int value, char name[]){
    Node* newNode = (Node*)malloc(sizeof(Node*));
    strcpy(newNode->Name, name);
	newNode->value = value; 
    return newNode; 
}


void pushTail(int value, char name[]){
	Node *newNode = createNode(value, name);
	if(head == NULL){
        head = tail = newNode; 
        return; 
    }
	else{
	   tail->next = newNode;
    	newNode->prev = tail; 
    	tail = newNode; 	
	}
}

void makelongList(){
	for(int i = 0; i < 25; i++){
		printf("\n"); 
	}
}

void orderHistory(int val){
	Node* curr = head; 
	makelongList();
	printf("=== Order History ===\n");
	int i = 0;
	while(curr != NULL){
		printf("Order %d : %s, %d pcs\n", i+1, curr->Name, curr->value);	
		i++;
		curr = curr->next; 
	}
	printf("Total Spent = Rp. %d \n", val);
	printf("=====================\n"); getchar();

}

void itemDatabase(){
	makelongList();
	printf("=========================================\n");
	printf("| Item Code |    Item Name   |  Price   |\n");
	printf("=========================================\n"); 
	printf("|    A0     | Milk Tea       | Rp. 3000 |\n");
	printf("|    A1     | Mineral Water  | Rp. 2000 |\n");
	printf("|    A2     | Hot Dog        | Rp. 7000 |\n");
	printf("|    A3     | Cheeseburger   | Rp. 9000 |\n");
	printf("|    A4     | Cold/Hot Tea   | Rp. 4000 |\n");
	printf("=========================================\n");
	
	printf("\n Press enter to continue\n");  getchar(); 
}

void printMenu(){
	printf("=== suniB Supermarket ===\n");
	printf("1. View Available Items\n"); 
	printf("2. Buy Items\n");
	printf("3. Order History\n"); 
	printf("4. Exit\n");
	printf("=========================\n");
	printf(">> "); 
}

void printReciept(int val){
	printf("=== suniB Supermarket ===\n"); 
	printf("=  -  R E C I E P T - ===\n  ");
	printf("      [Name]-[QTY] \n");
	Node *curr = head;
    while(curr != NULL){
    printf("        %s     %d \n", curr->Name, curr->value);
        curr = curr->next; 
    }
    printf("Total Spent = Rp. %d \n", val);
	printf("-Thank You For Shopping!-\n"); 
	printf("=========================\n");
}
void classicprintList(){
    Node *curr = head; 
    printf("NULL");
    while(curr != NULL){
        printf("<-[ %d ]->", curr->value);
        curr = curr->next; 
    }
    printf("NULL\n");
}

int main(){
	
	int input, qty, pricelist[10] = {3000, 2000, 7000, 9000, 4000}, mult = 0, total = 0, temps = 0;
	char itemcode[2], temp[2] = {0}, optionstring[2]; 
	
	do{
		makelongList(); 
		printMenu();
		scanf("%d", &input); getchar();
		switch(input){
			case 1: 
				itemDatabase(); 
				break; 
			case 2: 
				do{
					do{
						printf("Insert the item code you want to buy : "); scanf("%s", itemcode); getchar(); 
					}while((itemcode[0] != 'A') && (itemcode[1] != '0') && (itemcode[1] != '1') && (itemcode[1] != '2') && (itemcode[1] != '3') && (itemcode[1] != '4'));
					do{
						printf("Insert the amount : "); scanf("%d", &qty); getchar(); 
					}while(qty < 0);
					temp[0] = itemcode[1];
					temps = atoi(temp); 
					switch(temps){
						case 0:
						 	mult = qty*pricelist[0];
						 	total += mult; 
							printf("\nItem name : Milk Tea\n");
						 	break;
						case 1: 
							mult = qty*pricelist[1]; 
							total += mult;
							printf("\nItem name : Mineral Water\n"); 
							break; 
						case 2: 
							mult = qty*pricelist[2]; 
							total += mult; 
							printf("\nItem name : Hot Dog\n"); 
							break; 
						case 3:
							mult = qty*pricelist[3]; 
							total += mult; 
							printf("\nItem name : Cheeseburger\n");
							break; 
						case 4:
							mult = qty*pricelist[4];
							total += mult; 
							printf("\nItem name : Cold | Hot Tea\n"); 
							break; 
					}
					printf("Your total amount will be : %d\n", total);
					printf("Do you want to continue? [Y | N]? : "); scanf("%c", optionstring); getchar(); 
					pushTail(qty, itemcode); 
				}while(strcmp(optionstring, "Y") == 0);
				break;
			case 3:
				orderHistory(total); 
				break; 
			case 4:
				break; 
		}
		
	}while(input >= 1 && input <= 4);
	
	return 0; 
}

the program returns value 3221226356 after the third loop of case 2. If anyone could help it would be amazing.

I expect the loop to keep going and input as many datas possible. Would say at least it could loop 10 times, but the more the better.

Your implementation of the list has undefined behavior because data members next and prev are not initialized in nodes added to the list

Node* createNode(int value, char name[]){
    Node* newNode = (Node*)malloc(sizeof(Node*));
    strcpy(newNode->Name, name);
    newNode->value = value; 
    return newNode; 
}


void pushTail(int value, char name[]){
    Node *newNode = createNode(value, name);
    if(head == NULL){
        head = tail = newNode; 
        return; 
    }
    else{
       tail->next = newNode;
        newNode->prev = tail; 
        tail = newNode;     
    }
}

Also there are other problems.

For example in this do while statement with an awful long condition

do{
    printf("Insert the item code you want to buy : "); scanf("%s", itemcode); getchar(); 
}while((itemcode[0] != 'A') && (itemcode[1] != '0') && (itemcode[1] != '1') && (itemcode[1] != '2') && (itemcode[1] != '3') && (itemcode[1] != '4'));

there is an attempt to access memory beyond the array itemcode in call of scanf because the array declared with 2 elements can store only one character apart from the terminating zero character '\0'. So such expressions like for example that

(itemcode[1] != '1')

do not make sense.