24 #define YAMA_SCOPE_RELATIONAL 1
39 	EXPECT_EQ(0, prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0));  in create_domain()
76 	if (read(fd, buf, 1) < 0) {  in get_yama_ptrace_scope()
78 		return -1;  in get_yama_ptrace_scope()
98  * Test multiple tracing combinations between a parent process P1 and a child
103  * all P2 requests to trace P1 would be denied.
109  *   P1-.               P1 -> P2 : allow
110  *       \              P2 -> P1 : allow
124  *   P1--.              P1 -> P2 : allow
125  *        \             P2 -> P1 : deny
141  * |  P1  --.           P1 -> P2 : deny
142  * '------'  \          P2 -> P1 : allow
157  * |  P1  ---.          P1 -> P2 : deny
158  * '------'   \         P2 -> P1 : deny
174  * | P1----.     |      P1 -> P2 : allow
175  * |        \    |      P2 -> P1 : allow
191  * |  P1----.        |  P1 -> P2 : allow
192  * |         \       |  P2 -> P1 : deny
209  * |.------.         |  P1 -> P2 : deny
210  * ||  P1  ----.     |  P2 -> P1 : allow
227  * | .------.        |  P1 -> P2 : deny
228  * | |  P1  .        |  P2 -> P1 : deny
325 		ASSERT_EQ(0, close(pipe_parent[1]));  in TEST_F()
331 		ASSERT_EQ(1, read(pipe_parent[0], &buf_child, 1));  in TEST_F()
346 			EXPECT_EQ(-1, ret);  in TEST_F()
351 			ASSERT_EQ(1, WIFSTOPPED(status));  in TEST_F()
360 			EXPECT_EQ(-1, ret);  in TEST_F()
368 		ASSERT_EQ(1, write(pipe_child[1], ".", 1));  in TEST_F()
375 		ASSERT_EQ(1, read(pipe_parent[0], &buf_child, 1));  in TEST_F()
380 	ASSERT_EQ(0, close(pipe_child[1]));  in TEST_F()
386 	ASSERT_EQ(1, write(pipe_parent[1], ".", 1));  in TEST_F()
392 	ASSERT_EQ(1, read(pipe_child[0], &buf_parent, 1));  in TEST_F()
397 		ASSERT_EQ(1, WIFSTOPPED(status));  in TEST_F()
401 		EXPECT_EQ(-1, ptrace(PTRACE_DETACH, child, NULL, 0));  in TEST_F()
418 		EXPECT_EQ(-1, ret);  in TEST_F()
424 		ASSERT_EQ(1, WIFSTOPPED(status));  in TEST_F()
429 	ASSERT_EQ(1, write(pipe_parent[1], ".", 1));  in TEST_F()