Invalid read of size 4
   at 0x........: main (realloc3.c:23)
 Address 0x........ is 15 bytes after a block of size 5 alloc'd
   at 0x........: realloc (vg_replace_malloc.c:...)
   by 0x........: main (realloc3.c:19)

Invalid read of size 4
   at 0x........: main (realloc3.c:24)
 Address 0x........ is 15 bytes after a block of size 5 alloc'd
   at 0x........: realloc (vg_replace_malloc.c:...)
   by 0x........: main (realloc3.c:20)

Invalid read of size 4
   at 0x........: main (realloc3.c:25)
 Address 0x........ is 15 bytes after a block of size 5 alloc'd
   at 0x........: realloc (vg_replace_malloc.c:...)
   by 0x........: main (realloc3.c:21)