diff -ur a/ioping.c b/ioping.c
--- a/ioping.c  2011-06-02 22:51:03.000000000 +0400
+++ b/ioping.c  2011-06-07 02:35:12.126000920 +0400
@@ -379,7 +379,7 @@
 
        if (S_ISDIR(st.st_mode)) {
                char *tmpl = "/ioping.XXXXXX";
-               char *temp = malloc(strlen(path) + strlen(tmpl) + 1);
+               char *temp = calloc(1, PATH_MAX); // :) 
 
                if (!temp)
                        err(2, NULL);
@@ -498,7 +498,7 @@
 
                usleep(interval);
        }
-
+       free(buf); // end of posix_memalign() 
        time_total = now() - time_total;
 
        time_sum += part_sum;