harness.c: In function 'main':
harness.c:74:48: warning: format '%zu' expects argument of type 'size_t', but argument 2 has type 'int' [-Wformat=]
     printf("\nOverflowing sglist_cnt values: %zu/%zu\n", bad, n);
                                              ~~^         ~~~
                                              %u
harness.c:92:24: warning: unused variable 'base' [-Wunused-variable]
         unsigned char *base = (unsigned char *)&ext;
                        ^~~~
BUILD_EXIT=0