| 167 | } |
| 168 | |
| 169 | static int test_exec(const char *filename) |
| 170 | { |
| 171 | int ret; |
| 172 | int fd; |
| 173 | struct io_uring ring; |
| 174 | pid_t fork_pid; |
| 175 | static char * const new_argv[] = {"1", "2", "3", NULL}; |
| 176 | static char * const new_env[] = {NULL}; |
| 177 | char *buff; |
| 178 | |
| 179 | fork_pid = fork(); |
| 180 | CHECK(fork_pid >= 0); |
| 181 | if (fork_pid > 0) { |
| 182 | int wstatus; |
| 183 | |
| 184 | CHECK(waitpid(fork_pid, &wstatus, 0) != (pid_t)-1); |
| 185 | if (!WIFEXITED(wstatus) || WEXITSTATUS(wstatus) == T_EXIT_FAIL) { |
| 186 | fprintf(stderr, "child failed %i\n", WEXITSTATUS(wstatus)); |
| 187 | return -1; |
| 188 | } |
| 189 | return T_EXIT_PASS; |
| 190 | } |
| 191 | |
| 192 | ret = io_uring_queue_init(8, &ring, IORING_SETUP_SINGLE_ISSUER | |
| 193 | IORING_SETUP_DEFER_TASKRUN); |
| 194 | if (ret) |
| 195 | return ret; |
| 196 | |
| 197 | if (filename) { |
| 198 | fd = open(filename, O_RDONLY | O_DIRECT); |
| 199 | if (fd < 0 && (errno == EINVAL || errno == EPERM || errno == EACCES)) |
| 200 | return T_EXIT_SKIP; |
| 201 | } else { |
| 202 | t_create_file(EXEC_FILENAME, EXEC_FILESIZE); |
| 203 | fd = open(EXEC_FILENAME, O_RDONLY | O_DIRECT); |
| 204 | if (fd < 0 && (errno == EINVAL || errno == EPERM || errno == EACCES)) { |
| 205 | unlink(EXEC_FILENAME); |
| 206 | return T_EXIT_SKIP; |
| 207 | } |
| 208 | unlink(EXEC_FILENAME); |
| 209 | } |
| 210 | buff = (char*)malloc(EXEC_FILESIZE); |
| 211 | CHECK(posix_memalign((void **)&buff, 4096, EXEC_FILESIZE) == 0); |
| 212 | CHECK(buff); |
| 213 | |
| 214 | CHECK(fd >= 0); |
| 215 | io_uring_prep_read(io_uring_get_sqe(&ring), fd, buff, EXEC_FILESIZE, 0); |
| 216 | io_uring_submit(&ring); |
| 217 | ret = execve("/proc/self/exe", new_argv, new_env); |
| 218 | /* if we get here it failed anyway */ |
| 219 | fprintf(stderr, "execve failed %d\n", ret); |
| 220 | return T_EXIT_FAIL; |
| 221 | } |
| 222 | |
| 223 | static int test_flag(void) |
| 224 | { |
no test coverage detected