Warning: invalid file descriptor -1 in syscall aio_read()
Conditional jump or move depends on uninitialised value(s)
   at 0x........: main (aio.c:62)


HEAP SUMMARY:
    in use at exit: ... bytes in ... blocks
  total heap usage: ... allocs, ... frees, ... bytes allocated

For a detailed leak analysis, rerun with: --leak-check=full

Use --track-origins=yes to see where uninitialised values come from
For lists of detected and suppressed errors, rerun with: -s
ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)