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From: Stanislav Fomichev <sdf@google.com>
To: netdev@vger.kernel.org, bpf@vger.kernel.org
Cc: davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net,
	Stanislav Fomichev <sdf@google.com>,
	Andrii Nakryiko <andriin@fb.com>
Subject: [PATCH bpf-next v2 3/4] selftests/bpf: test_progs: remove asserts from subtests
Date: Mon, 19 Aug 2019 12:17:51 -0700	[thread overview]
Message-ID: <20190819191752.241637-4-sdf@google.com> (raw)
In-Reply-To: <20190819191752.241637-1-sdf@google.com>

Otherwise they can bring the whole process down.

Cc: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
---
 .../selftests/bpf/prog_tests/bpf_obj_id.c     | 19 +++++++++++-------
 .../selftests/bpf/prog_tests/map_lock.c       | 20 +++++++++++--------
 .../selftests/bpf/prog_tests/spinlock.c       | 12 ++++++-----
 .../bpf/prog_tests/stacktrace_build_id.c      |  7 ++++---
 .../bpf/prog_tests/stacktrace_build_id_nmi.c  |  7 ++++---
 5 files changed, 39 insertions(+), 26 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
index b9d0cd312839..acc2fc046b01 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
@@ -48,15 +48,17 @@ void test_bpf_obj_id(void)
 		/* test_obj_id.o is a dumb prog. It should never fail
 		 * to load.
 		 */
-		QCHECK(err);
-		assert(!err);
+		if (QCHECK(err))
+			continue;
 
 		/* Insert a magic value to the map */
 		map_fds[i] = bpf_find_map(__func__, objs[i], "test_map_id");
-		assert(map_fds[i] >= 0);
+		if (QCHECK(map_fds[i] < 0))
+			goto done;
 		err = bpf_map_update_elem(map_fds[i], &array_key,
 					  &array_magic_value, 0);
-		assert(!err);
+		if (QCHECK(err))
+			goto done;
 
 		/* Check getting map info */
 		info_len = sizeof(struct bpf_map_info) * 2;
@@ -95,9 +97,11 @@ void test_bpf_obj_id(void)
 		prog_infos[i].map_ids = ptr_to_u64(map_ids + i);
 		prog_infos[i].nr_map_ids = 2;
 		err = clock_gettime(CLOCK_REALTIME, &real_time_ts);
-		assert(!err);
+		if (QCHECK(err))
+			goto done;
 		err = clock_gettime(CLOCK_BOOTTIME, &boot_time_ts);
-		assert(!err);
+		if (QCHECK(err))
+			goto done;
 		err = bpf_obj_get_info_by_fd(prog_fds[i], &prog_infos[i],
 					     &info_len);
 		load_time = (real_time_ts.tv_sec - boot_time_ts.tv_sec)
@@ -223,7 +227,8 @@ void test_bpf_obj_id(void)
 		nr_id_found++;
 
 		err = bpf_map_lookup_elem(map_fd, &array_key, &array_value);
-		assert(!err);
+		if (QCHECK(err))
+			goto done;
 
 		err = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len);
 		CHECK(err || info_len != sizeof(struct bpf_map_info) ||
diff --git a/tools/testing/selftests/bpf/prog_tests/map_lock.c b/tools/testing/selftests/bpf/prog_tests/map_lock.c
index c1bddc433a5a..7a12129def9a 100644
--- a/tools/testing/selftests/bpf/prog_tests/map_lock.c
+++ b/tools/testing/selftests/bpf/prog_tests/map_lock.c
@@ -54,17 +54,21 @@ void test_map_lock(void)
 	bpf_map_update_elem(map_fd[0], &key, vars, BPF_F_LOCK);
 
 	for (i = 0; i < 4; i++)
-		assert(pthread_create(&thread_id[i], NULL,
-				      &spin_lock_thread, &prog_fd) == 0);
+		if (QCHECK(pthread_create(&thread_id[i], NULL,
+					  &spin_lock_thread, &prog_fd)))
+			goto close_prog;
 	for (i = 4; i < 6; i++)
-		assert(pthread_create(&thread_id[i], NULL,
-				      &parallel_map_access, &map_fd[i - 4]) == 0);
+		if (QCHECK(pthread_create(&thread_id[i], NULL,
+					  &parallel_map_access, &map_fd[i - 4])))
+			goto close_prog;
 	for (i = 0; i < 4; i++)
-		assert(pthread_join(thread_id[i], &ret) == 0 &&
-		       ret == (void *)&prog_fd);
+		if (QCHECK(pthread_join(thread_id[i], &ret) ||
+			   ret != (void *)&prog_fd))
+			goto close_prog;
 	for (i = 4; i < 6; i++)
-		assert(pthread_join(thread_id[i], &ret) == 0 &&
-		       ret == (void *)&map_fd[i - 4]);
+		if (QCHECK(pthread_join(thread_id[i], &ret) ||
+			   ret != (void *)&map_fd[i - 4]))
+			goto close_prog;
 close_prog:
 	bpf_object__close(obj);
 }
diff --git a/tools/testing/selftests/bpf/prog_tests/spinlock.c b/tools/testing/selftests/bpf/prog_tests/spinlock.c
index e4294a7fdf1a..00b4ed1734e0 100644
--- a/tools/testing/selftests/bpf/prog_tests/spinlock.c
+++ b/tools/testing/selftests/bpf/prog_tests/spinlock.c
@@ -16,12 +16,14 @@ void test_spinlock(void)
 		goto close_prog;
 	}
 	for (i = 0; i < 4; i++)
-		assert(pthread_create(&thread_id[i], NULL,
-				      &spin_lock_thread, &prog_fd) == 0);
-	for (i = 0; i < 4; i++)
-		assert(pthread_join(thread_id[i], &ret) == 0 &&
-		       ret == (void *)&prog_fd);
+		if (QCHECK(pthread_create(&thread_id[i], NULL,
+					  &spin_lock_thread, &prog_fd)))
+			goto close_prog;
 
+	for (i = 0; i < 4; i++)
+		if (QCHECK(pthread_join(thread_id[i], &ret) ||
+			   ret != (void *)&prog_fd))
+			goto close_prog;
 close_prog:
 	bpf_object__close(obj);
 }
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
index ac44fda84833..552e07e7800c 100644
--- a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
@@ -51,9 +51,10 @@ void test_stacktrace_build_id(void)
 		  "err %d errno %d\n", err, errno))
 		goto disable_pmu;
 
-	assert(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")
-	       == 0);
-	assert(system("./urandom_read") == 0);
+	if (QCHECK(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")))
+		goto disable_pmu;
+	if (QCHECK(system("./urandom_read")))
+		goto disable_pmu;
 	/* disable stack trace collection */
 	key = 0;
 	val = 1;
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c
index 9557b7dfb782..1553c848edc5 100644
--- a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c
@@ -82,9 +82,10 @@ void test_stacktrace_build_id_nmi(void)
 		  "err %d errno %d\n", err, errno))
 		goto disable_pmu;
 
-	assert(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")
-	       == 0);
-	assert(system("taskset 0x1 ./urandom_read 100000") == 0);
+	if (QCHECK(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")))
+		goto disable_pmu;
+	if (QCHECK(system("taskset 0x1 ./urandom_read 100000")))
+		goto disable_pmu;
 	/* disable stack trace collection */
 	key = 0;
 	val = 1;
-- 
2.23.0.rc1.153.gdeed80330f-goog


  parent reply	other threads:[~2019-08-19 19:18 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-19 19:17 [PATCH bpf-next v2 0/4] selftests/bpf: test_progs: misc fixes Stanislav Fomichev
2019-08-19 19:17 ` [PATCH bpf-next v2 1/4] selftests/bpf: test_progs: test__skip Stanislav Fomichev
2019-08-19 19:17 ` [PATCH bpf-next v2 2/4] selftests/bpf: test_progs: remove global fail/success counts Stanislav Fomichev
2019-08-21 12:17   ` Daniel Borkmann
2019-08-21 17:11     ` Stanislav Fomichev
2019-08-19 19:17 ` Stanislav Fomichev [this message]
2019-08-19 19:17 ` [PATCH bpf-next v2 4/4] selftests/bpf: test_progs: remove unused ret Stanislav Fomichev

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