Invalid read of size 8
   ...
 Address 0x........ is 0 bytes inside a block of size 5 alloc'd
   at 0x........: memalign (vg_replace_malloc.c:...)
   ...

Invalid read of size 8
   ...
 Address 0x........ is 0 bytes inside a block of size 5 alloc'd
   at 0x........: memalign (vg_replace_malloc.c:...)
   ...

Invalid read of size 8
   ...
 Address 0x........ is 8 bytes inside a block of size 24 free'd
   at 0x........: free (vg_replace_malloc.c:...)
   ...