这是我的代码，它一直运行到自由（右）;更像是它完成了合并排序，然后出现了一个错误，有什么解决方案吗？

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

void bubble_sort(int *l, int len) {
    // Iterate through the list
    for (int i = 0; i < len; i++) {
        // Iterate through the list
        for (int j = 0; j < len - 1; j++) {
            // If the current element is greater than the next element, swap them
            if (l[j] > l[j + 1]) {
                // Swap the elements
                int temp = l[j];
                l[j] = l[j + 1];
                l[j + 1] = temp;
                // Print the list
                for (int k = 0; k < len; k++) {
                    printf("%d ", l[k]);
                }
                printf("\n");
            }
        }
    }
}

void selection_sort(int *l, int len) {
    // Iterate through the list
    for (int i = 0; i < len; i++) {
        // Set the minimum index to the current index
        int min_index = i;
        // Iterate through the list
        for (int j = i + 1; j < len; j++) {
            // If the current element is less than the minimum element, set the minimum index to the current index
            if (l[j] < l[min_index]) {
                min_index = j;
            }
        }
        // Swap the elements
        int temp = l[i];
        l[i] = l[min_index];
        l[min_index] = temp;
        // Print the list
        for (int k = 0; k < len; k++) {
            printf("%d ", l[k]);
        }
        printf("\n");
    }
}

void insertion_sort(int *l, int len) {
    // Iterate through the list
    for (int i = 1; i < len; i++) {
        // Set the current index to the current index
        int j = i;
        // While the current index is greater than 0 and the previous element is greater than the current element, swap them
        while (j > 0 && l[j - 1] > l[j]) {
            // Swap the elements
            int temp = l[j - 1];
            l[j - 1] = l[j];
            l[j] = temp;
            // Decrement the current index
            j--;
        }
        // Print the list
        for (int k = 0; k < len; k++) {
            printf("%d ", l[k]);
        }
        printf("\n");
    }
}
void merge(int *left, int left_len, int *right, int right_len) {
    // Create a new list
    int *result = malloc((left_len + right_len) * sizeof(int));
    // Set the left index to 0 and the right index to 0
    int i = 0;
    int j = 0;
    // While the left index is less than the length of the left list and the right index is less than the length of the right list
    while (i < left_len && j < right_len) {
        // If the left element is less than or equal to the right element, append the left element to the result list and increment the left index
        if (left[i] <= right[j]) {
            result[i + j] = left[i];
            i++;
        }
        // Else, append the right element to the result list and increment the right index
        else {
            result[i + j] = right[j];
            j++;
        }
    }
    // Append the remaining elements in the left list to the result list
    for (int k = i; k < left_len; k++) {
        result[k + j] = left[k];
    }
    // Append the remaining elements in the right list to the result list
    for (int k = j; k < right_len; k++) {
        result[k + i] = right[k];
    }
    // Print the result list
    for (int k = 0; k < left_len + right_len; k++) {
        printf("%d ", result[k]);
    }
    printf("\n");
    // Copy the result list to the original list
    for (int k = 0; k < left_len + right_len; k++) {
        left[k] = result[k];
    }
    // Free the result list
    free(result);
}
void merge_sort(int *l, int len) {
    // If the list is empty or has one element, return the list
    if (len <= 1) {
        return;
    }
    // Set the middle index to the length of the list divided by 2
    int mid = len / 2;
    // Set the left list to the first half of the list
    int *left = malloc(mid * sizeof(int));
    for (int i = 0; i < mid; i++) {
        left[i] = l[i];
    }
    // Set the right list to the second half of the list
    int *right = malloc((len - mid) * sizeof(int));
    for (int i = mid; i < len; i++) {
        right[i - mid] = l[i];
    }
    // Sort the left list
    merge_sort(left, mid);
    // Sort the right list
    merge_sort(right, len - mid);
    // Merge the left list and the right list
    merge(left, mid, right, len - mid);
    // Free the left list and the right list
    free(left);
    free(right);                                       //Error ln 142, in picture below
}

int binary_search(int *l, int len, int target) {
    // Set the low index to 0 and the high index to the length of the list minus 1
    int low = 0;
    int high = len - 1;
    // While the low index is less than or equal to the high index
    while (low <= high) {
        // Set the middle index to the sum of the low index and the high index divided by 2
        int mid = (low + high) / 2;
        // If the middle element is equal to the target, return the middle index
        if (l[mid] == target) {
            return mid;
        }
        // Else if the middle element is less than the target, set the low index to the middle index plus 1
        else if (l[mid] < target) {
            low = mid + 1;
        }
        // Else, set the high index to the middle index minus 1
        else {
            high = mid - 1;
        }
    }
    // If the target is not found, return -1
    return -1;
}

int main() {
    // Create a list
    int l[] = {17, 36, 3, 10, 29, 42, 34, 8};
    int len = sizeof(l) / sizeof(l[0]);
    // Print the list
    printf("Bubble Sort:\n");
    // Sort the list using bubble sort
    bubble_sort(l, len);
    // Print the list
    printf("Selection Sort:\n");
    // Sort the list using selection sort
    selection_sort(l, len);
    // Print the list
    printf("Insertion Sort:\n");
    // Sort the list using insertion sort
    insertion_sort(l, len);
    // Print the list
    printf("Merge Sort:\n");
    // Sort the list using merge sort
    merge_sort(l, len);
    // Print the list
    printf("Binary Search:\n");
    // Search for the target in the list using binary search
    printf("%d\n", binary_search(l, len, 42));
    return 0;
}

所以我把代码从python改写成了C，在GDB中调试给了我截图中的错误。
GDB ss
我试着编辑函数本身来纠正内存问题，但它不起作用，所以我又回到了这个问题上，希望有人有更多的见解。