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From: Jiri Olsa <jolsa@kernel.org>
To: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org, Martin KaFai Lau <kafai@fb.com>,
	Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@chromium.org>,
	Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>
Subject: [PATCHv3 bpf 0/2] bpf: Fix map poke update
Date: Sun,  3 Dec 2023 21:48:49 +0100	[thread overview]
Message-ID: <20231203204851.388654-1-jolsa@kernel.org> (raw)

hi,
this patchset fixes the issue reported in [0].

v3 changes:
  - moving the update logic to arch function
  - added test [Ilya]

thanks,
jirka


[0] https://syzkaller.appspot.com/bug?extid=97a4fe20470e9bc30810
---
Jiri Olsa (2):
      bpf: Fix prog_array_map_poke_run map poke update
      selftests/bpf: Add test for early update in prog_array_map_poke_run

 arch/x86/net/bpf_jit_comp.c                            | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 kernel/bpf/arraymap.c                                  | 58 ++++++++++------------------------------------------------
 tools/testing/selftests/bpf/prog_tests/tailcall_poke.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 tools/testing/selftests/bpf/progs/tailcall_poke.c      | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 162 insertions(+), 48 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/tailcall_poke.c
 create mode 100644 tools/testing/selftests/bpf/progs/tailcall_poke.c

             reply	other threads:[~2023-12-03 20:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-03 20:48 Jiri Olsa [this message]
2023-12-03 20:48 ` [PATCHv3 bpf 1/2] bpf: Fix prog_array_map_poke_run map poke update Jiri Olsa
2023-12-05  4:52   ` Yonghong Song
2023-12-05  6:56   ` kernel test robot
2023-12-05  7:17   ` kernel test robot
2023-12-03 20:48 ` [PATCHv3 bpf 2/2] selftests/bpf: Add test for early update in prog_array_map_poke_run Jiri Olsa
2023-12-05  5:16   ` Yonghong Song
2023-12-05  8:43     ` Jiri Olsa
2023-12-05 16:00       ` Yonghong Song
2023-12-05 21:57         ` Jiri Olsa

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