From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7DB50DDCD for ; Sun, 3 Dec 2023 20:48:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="j/icPfWI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E664C433C8; Sun, 3 Dec 2023 20:48:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701636537; bh=/5zreeq7QK1Ra/mJQixmlYHMxA2+MV9/meNc9OrdgGA=; h=From:To:Cc:Subject:Date:From; b=j/icPfWIysFbTV/GCiZkC1h2THX9bRTYApSENUW6Ir0Lq20tCW8HRCcRstuwrSt/g C+lNtf8XJe4tQQSpW56cUISPzywhq2hML/2FIXGbnBtrxDyCsWdfHOxHgTQ3vhbCO3 ddgxAWaJVrcAsNVMWefFd3ac/SrFjRnrxdDK71QBHPuUpscskqoudrvR9onZH6Y6ig QCuxS7SUQ6frnEgWhC/9rDaZ+zXDF+vWXtGEx9/iRwxyks/D4l7LlV0+FtXZF8AaF3 Qml8i6hD65krYW/ATB/Do6ZrFpY9fzr00vpBLoY4CyrS6X3shnmW9q7W24UEaHeuLH tTHDgodigV3Sg== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo Subject: [PATCHv3 bpf 0/2] bpf: Fix map poke update Date: Sun, 3 Dec 2023 21:48:49 +0100 Message-ID: <20231203204851.388654-1-jolsa@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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