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| author | Jordan Rome <linux@jordanrome.com> | 2023-11-11 18:30:10 -0800 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2023-11-13 18:39:38 -0800 |
| commit | 727a92d62fd6a382b4c5972008e45667e707b0e4 (patch) | |
| tree | bdf6000120c9329940c8ca3bca6fe8412bc340e9 /tools/testing/selftests/bpf/prog_tests/bpf_iter.c | |
| parent | 100888fb6d8a185866b1520031ee7e3182b173de (diff) | |
| download | lwn-727a92d62fd6a382b4c5972008e45667e707b0e4.tar.gz lwn-727a92d62fd6a382b4c5972008e45667e707b0e4.zip | |
selftests/bpf: Add assert for user stacks in test_task_stack
This is a follow up to:
commit b8e3a87a627b ("bpf: Add crosstask check to __bpf_get_stack").
This test ensures that the task iterator only gets a single
user stack (for the current task).
Signed-off-by: Jordan Rome <linux@jordanrome.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20231112023010.144675-1-linux@jordanrome.com
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/bpf_iter.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/bpf_iter.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c index 4e02093c2cbe..618af9dfae9b 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c @@ -332,6 +332,8 @@ static void test_task_stack(void) do_dummy_read(skel->progs.dump_task_stack); do_dummy_read(skel->progs.get_task_user_stacks); + ASSERT_EQ(skel->bss->num_user_stacks, 1, "num_user_stacks"); + bpf_iter_task_stack__destroy(skel); } |