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Message-Id: <20190819191752.241637-4-sdf@google.com>
Date: Mon, 19 Aug 2019 12:17:51 -0700
From: Stanislav Fomichev <sdf@...gle.com>
To: netdev@...r.kernel.org, bpf@...r.kernel.org
Cc: davem@...emloft.net, ast@...nel.org, daniel@...earbox.net,
Stanislav Fomichev <sdf@...gle.com>,
Andrii Nakryiko <andriin@...com>
Subject: [PATCH bpf-next v2 3/4] selftests/bpf: test_progs: remove asserts
from subtests
Otherwise they can bring the whole process down.
Cc: Andrii Nakryiko <andriin@...com>
Signed-off-by: Stanislav Fomichev <sdf@...gle.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,
- ¶llel_map_access, &map_fd[i - 4]) == 0);
+ if (QCHECK(pthread_create(&thread_id[i], NULL,
+ ¶llel_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
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