C: Accessing an array in another file creates Segmentation fault

i'm trying to read values from a .csv file and write them in another .txt file. But when i'm trying to pass the values it creates a Segmentation fault.

My first program, which filters the needed values from the .csv file:

int main(int argc, char **argv) {
    if (argc < 3) {
        printf("Aufruf: %s <anzahl> <bundesland>\n", argv[0]);
        printf("Beispiel: %s 100 Bayern\n", argv[0]);
        printf("Klein-/Großschreibung beachten!\n");
        exit(1);
    }
    int anzahl = atoi(argv[1]);
    char *bundesland = argv[2];

    // Statisch allokierter Speicher
    char staedte[MAX_LAENGE_ARR][MAX_LAENGE_STR];
    char laender[MAX_LAENGE_ARR][MAX_LAENGE_STR];
    int bewohner[MAX_LAENGE_ARR];

    int len = read_file("staedte.csv", staedte, laender, bewohner);

    // Hier implementieren
    char** result = malloc(MAX_LAENGE_ARR * sizeof(char *));
    if (result == NULL) {
        perror("malloc failed while allocating memory");
        exit(1);
        } 
    for (int i = 0; i < len; i++) {
        if (strcmp(bundesland, laender[i]) == 0 && *bewohner > anzahl) {
            result[i] = malloc(MAX_LAENGE_STR * sizeof(char *));
            if (result == NULL) {
                perror("malloc failed while allocating memory");
                exit(1);
            }
            snprintf(result[i], MAX_LAENGE_STR, "Die Stadt %s hat %d Einwohner.", staedte[i], bewohner[i]);
            write_file(&result[i], len);
            free(result[i]);
        }
    } 

    // Mithilfe von write_file(...) soll das Ergebnis in die "resultat.txt"
    // geschrieben werden. 
    // Dynamisch allozierter Speicher muss hier freigegeben werden.
}

And the faulting part of my second program, which should write the handed values from the first program into a .txt file:

int MAX_LAENGE_STR = 255;
int MAX_LAENGE_ARR = 100;

void write_file(char *result[], int len) {
    FILE *fp = fopen("resultat.txt", "w");
    if (fp == NULL){
        perror("resultat.txt");
        exit(1);
    }
    for (int i=0; i<len; i++) {
        printf("<write_file> loop[%d]: %s\n", i, result[i]);
        fprintf(fp, "%p\n", result[i]);
    }
    fclose(fp);
}

It creates a Segmentation fault in the 11th loop, in the write_file(), and i can't figure out why. In valgrind it's: "Invalid read size of 1".