GlibC Double free or corruption (fclose)

Question

I got an error on my C program on runtime. I found some stuff about \"double free or corruption\" error but nothing relevant.

Here is my code :

void comp         


        

Answer 1

*** glibc detected *** ./crc32: double free or corruption

Glibc is telling you that you've corrupted heap.

The tools to find such corruption on Linux are Valgrind and AddressSanitizer.

Chances are, either one of them will immediately tell you what your problem is.