Invalid write of size 1 at 0x........: main (noisy_child.c:27) Address 0x........ is 5 bytes inside a block of size 10 free'd at 0x........: free (vg_replace_malloc.c:...) by 0x........: main (noisy_child.c:24) Invalid write of size 1 at 0x........: do_parent_badness (noisy_child.c:16) by 0x........: main (noisy_child.c:37) Address 0x........ is 0 bytes after a block of size 10 free'd at 0x........: free (vg_replace_malloc.c:...) by 0x........: main (noisy_child.c:24) 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 For counts of detected and suppressed errors, rerun with: -v ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)