Argument 'size' of function malloc has a fishy (possibly negative) value: -1
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: main (malloc3.c:15)

Argument 'size' of function calloc has a fishy (possibly negative) value: -1
   at 0x........: calloc (vg_replace_malloc.c:...)
   by 0x........: main (malloc3.c:23)

