SOME_JUNK
memset(ptr, SOME_JUNK, (size_t)info->size);
memset(p, SOME_JUNK, size << malloc_pageshift);
memset((u_char*)bp->page + k, SOME_JUNK, (size_t)bp->size);
memset((u_char *)ptr + size, SOME_JUNK, osize-size);
memset((u_char *)ptr + size, SOME_JUNK, osize-size);
memset(ptr, SOME_JUNK, l);