selftests/seccomp: Abort without user notification support

In the face of missing user notification support, the self test needs
to stop executing a test (ASSERT_*) instead of just reporting and
continuing (EXPECT_*). This adjusts the user notification tests to do
that where needed.

Reported-by: Shuah Khan <shuah@kernel.org>
Fixes: 6a21cc50f0c7 ("seccomp: add a return code to trap to userspace")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Tycho Andersen <tycho@tycho.ws>
Tested-by: Shuah Khan <shuah@kernel.org>
Signed-off-by: Shuah Khan <shuah@kernel.org>

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 067cb46..496a9a8 100644 (file)
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -3044,7 +3044,7 @@ TEST(user_notification_basic)
        /* Check that the basic notification machinery works */
        listener = user_trap_syscall(__NR_getpid,
                                     SECCOMP_FILTER_FLAG_NEW_LISTENER);
-       EXPECT_GE(listener, 0);
+       ASSERT_GE(listener, 0);
 
        /* Installing a second listener in the chain should EBUSY */
        EXPECT_EQ(user_trap_syscall(__NR_getpid,
@@ -3103,7 +3103,7 @@ TEST(user_notification_kill_in_middle)
 
        listener = user_trap_syscall(__NR_getpid,
                                     SECCOMP_FILTER_FLAG_NEW_LISTENER);
-       EXPECT_GE(listener, 0);
+       ASSERT_GE(listener, 0);
 
        /*
         * Check that nothing bad happens when we kill the task in the middle
@@ -3152,7 +3152,7 @@ TEST(user_notification_signal)
 
        listener = user_trap_syscall(__NR_gettid,
                                     SECCOMP_FILTER_FLAG_NEW_LISTENER);
-       EXPECT_GE(listener, 0);
+       ASSERT_GE(listener, 0);
 
        pid = fork();
        ASSERT_GE(pid, 0);
@@ -3215,7 +3215,7 @@ TEST(user_notification_closed_listener)
 
        listener = user_trap_syscall(__NR_getpid,
                                     SECCOMP_FILTER_FLAG_NEW_LISTENER);
-       EXPECT_GE(listener, 0);
+       ASSERT_GE(listener, 0);
 
        /*
         * Check that we get an ENOSYS when the listener is closed.
@@ -3376,7 +3376,7 @@ TEST(seccomp_get_notif_sizes)
 {
        struct seccomp_notif_sizes sizes;
 
-       EXPECT_EQ(seccomp(SECCOMP_GET_NOTIF_SIZES, 0, &sizes), 0);
+       ASSERT_EQ(seccomp(SECCOMP_GET_NOTIF_SIZES, 0, &sizes), 0);
        EXPECT_EQ(sizes.seccomp_notif, sizeof(struct seccomp_notif));
        EXPECT_EQ(sizes.seccomp_notif_resp, sizeof(struct seccomp_notif_resp));
 }