Conditional jump or move depends on uninitialised value(s)
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: main (undef_malloc_args.c:15)

Conditional jump or move depends on uninitialised value(s)
   at 0x........: realloc (vg_replace_malloc.c:...)
   by 0x........: main (undef_malloc_args.c:19)

Conditional jump or move depends on uninitialised value(s)
   at 0x........: realloc (vg_replace_malloc.c:...)
   by 0x........: main (undef_malloc_args.c:22)

Conditional jump or move depends on uninitialised value(s)
   at 0x........: free (vg_replace_malloc.c:...)
   by 0x........: main (undef_malloc_args.c:25)

Conditional jump or move depends on uninitialised value(s)
   at 0x........: calloc (vg_replace_malloc.c:...)
   by 0x........: main (undef_malloc_args.c:30)