Why am i Getting SIGABRT in this code

1 
indent preformatted text by 4 spaces
Node* findIntersection(Node* head1, Node* head2)
{
       // Your Code Here
Node* temp,*temp1,*temp2,*head=NULL,*new_node;
temp=head1;
temp1=head2;
while(temp!=NULL && temp1!=NULL){
    if(temp->data>temp1->data){
        temp1=temp1->next;
    }
    else if(temp->data<temp1->data){
        temp=temp->next;
    }
    else{
        new_node=new Node(temp->data);
        if(head==NULL){
            temp2=new_node;
            head=new_node;
        }
        else{
            temp2->next=new_node;
            temp2=new_node;
        }
    }
}
return head;

}

Intersection of two Sorted Linked Lists - GeeksforGeeks This is the question