From: Puranjay Mohan <puranjay12@gmail.com>
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: bpf@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Yonghong Song <yonghong.song@linux.dev>,
David Vernet <void@manifault.com>
Subject: Re: [PATCH bpf-next v3 17/17] selftests/bpf: Add tests for BPF exceptions
Date: Wed, 13 Sep 2023 15:14:09 +0000 [thread overview]
Message-ID: <mb61pr0n214xq.fsf@amazon.com> (raw)
In-Reply-To: <20230912233214.1518551-18-memxor@gmail.com> (Kumar Kartikeya Dwivedi's message of "Wed, 13 Sep 2023 01:32:14 +0200")
On Wed, Sep 13 2023, Kumar Kartikeya Dwivedi wrote:
Hi,
> Add selftests to cover success and failure cases of API usage, runtime
> behavior and invariants that need to be maintained for implementation
> correctness.
>
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
> ---
> tools/testing/selftests/bpf/DENYLIST.aarch64 | 1 +
> tools/testing/selftests/bpf/DENYLIST.s390x | 1 +
> .../selftests/bpf/prog_tests/exceptions.c | 408 ++++++++++++++++++
> .../testing/selftests/bpf/progs/exceptions.c | 368 ++++++++++++++++
> .../selftests/bpf/progs/exceptions_assert.c | 135 ++++++
> .../selftests/bpf/progs/exceptions_ext.c | 72 ++++
> .../selftests/bpf/progs/exceptions_fail.c | 347 +++++++++++++++
> 7 files changed, 1332 insertions(+)
> create mode 100644 tools/testing/selftests/bpf/prog_tests/exceptions.c
> create mode 100644 tools/testing/selftests/bpf/progs/exceptions.c
> create mode 100644 tools/testing/selftests/bpf/progs/exceptions_assert.c
> create mode 100644 tools/testing/selftests/bpf/progs/exceptions_ext.c
> create mode 100644 tools/testing/selftests/bpf/progs/exceptions_fail.c
>
> diff --git a/tools/testing/selftests/bpf/DENYLIST.aarch64 b/tools/testing/selftests/bpf/DENYLIST.aarch64
> index 7f768d335698..f5065576cae9 100644
> --- a/tools/testing/selftests/bpf/DENYLIST.aarch64
> +++ b/tools/testing/selftests/bpf/DENYLIST.aarch64
> @@ -1,5 +1,6 @@
> bpf_cookie/multi_kprobe_attach_api # kprobe_multi_link_api_subtest:FAIL:fentry_raw_skel_load unexpected error: -3
> bpf_cookie/multi_kprobe_link_api # kprobe_multi_link_api_subtest:FAIL:fentry_raw_skel_load unexpected error: -3
> +exceptions # JIT does not support calling kfunc bpf_throw: -524
I think you forgot to drop this.
exceptions work on aarch64 with this: https://lore.kernel.org/bpf/20230912233942.6734-1-puranjay12@gmail.com/
Thanks,
Puranjay
next prev parent reply other threads:[~2023-09-13 15:14 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-12 23:31 [PATCH bpf-next v3 00/17] Exceptions - 1/2 Kumar Kartikeya Dwivedi
2023-09-12 23:31 ` [PATCH bpf-next v3 01/17] bpf: Use bpf_is_subprog to check for subprogs Kumar Kartikeya Dwivedi
2023-09-12 23:31 ` [PATCH bpf-next v3 02/17] arch/x86: Implement arch_bpf_stack_walk Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 03/17] bpf: Implement support for adding hidden subprogs Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 04/17] bpf: Implement BPF exceptions Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 05/17] bpf: Refactor check_btf_func and split into two phases Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 06/17] bpf: Add support for custom exception callbacks Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 07/17] bpf: Perform CFG walk for exception callback Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 08/17] bpf: Treat first argument as return value for bpf_throw Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 09/17] mm: kasan: Declare kasan_unpoison_task_stack_below in kasan.h Kumar Kartikeya Dwivedi
2023-09-16 16:24 ` Andrey Konovalov
2023-09-12 23:32 ` [PATCH bpf-next v3 10/17] bpf: Prevent KASAN false positive with bpf_throw Kumar Kartikeya Dwivedi
2023-09-16 16:25 ` Andrey Konovalov
2023-09-18 13:20 ` Matthieu Baerts
2023-09-18 13:26 ` Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 11/17] bpf: Detect IP == ksym.end as part of BPF program Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 12/17] bpf: Disallow fentry/fexit/freplace for exception callbacks Kumar Kartikeya Dwivedi
2023-09-13 15:24 ` Puranjay Mohan
2023-09-14 12:13 ` Kumar Kartikeya Dwivedi
2023-09-16 16:44 ` Alexei Starovoitov
2023-09-16 17:30 ` Kumar Kartikeya Dwivedi
2023-09-16 19:34 ` Kumar Kartikeya Dwivedi
2023-09-18 1:56 ` Alexei Starovoitov
2023-09-12 23:32 ` [PATCH bpf-next v3 13/17] bpf: Fix kfunc callback register type handling Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 14/17] libbpf: Refactor bpf_object__reloc_code Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 15/17] libbpf: Add support for custom exception callbacks Kumar Kartikeya Dwivedi
2023-09-20 0:25 ` Andrii Nakryiko
2023-09-20 1:02 ` Kumar Kartikeya Dwivedi
2023-09-20 17:08 ` Andrii Nakryiko
2023-09-12 23:32 ` [PATCH bpf-next v3 16/17] selftests/bpf: Add BPF assertion macros Kumar Kartikeya Dwivedi
2023-09-12 23:32 ` [PATCH bpf-next v3 17/17] selftests/bpf: Add tests for BPF exceptions Kumar Kartikeya Dwivedi
2023-09-13 15:14 ` Puranjay Mohan [this message]
2023-09-13 16:12 ` Puranjay Mohan
2023-09-12 23:37 ` [PATCH bpf-next v3 00/17] Exceptions - 1/2 Kumar Kartikeya Dwivedi
2023-09-12 23:53 ` Puranjay Mohan
2023-09-16 16:50 ` patchwork-bot+netdevbpf
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