From patchwork Wed Nov 27 19:15:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13887319 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (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 193E1200100; Wed, 27 Nov 2024 19:20:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732735251; cv=none; b=BGvOxYV/0od+0GsEbyIZcjvb4RGJWuMpdzl1pzkML8CCF96p6aXKm3pvKl2bvIXJWIm5GC57uk9XEppKoWpx6hYEvBqwqQ/Bgyp/qxlesB92dqarpzmNjbO2A+BmdmOlUWYZ27lUfToExl1wkvkUH5fvtvdSKNCtJoWtA0lX3Gs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732735251; c=relaxed/simple; bh=zC0ViIiYdKsbVqeJfJUG3RgY2nrR+ULONrnm6jK1PYA=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=HisSkWGu2ZHU2YJoTuzuSvfSv28Y66KLL2AvO6OmXet1YO5fyCb6Js7Sh/rfMIaZVfywPJFQPITnApY36cTLb3bJ1wqmhtQ5OwFLQaizMfIlZQAWT32eJtYVVDzVvflyMpCjCqDEEcdeViCEiDXkX8RjBGtihIDIsYVUYLcGZFk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=gfoR/ncG; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="gfoR/ncG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1732735245; bh=zC0ViIiYdKsbVqeJfJUG3RgY2nrR+ULONrnm6jK1PYA=; h=From:Subject:Date:To:Cc:From; b=gfoR/ncGvuCTb4B+50mjWOUOjuwdb1/ZJZKr03VqAgL0hjj+TqOI642/ypapPq21m Zvcpj0QZIHXlLk/krWIam+wUKWSBimMsG9JD00ccfepk+e46w68YjV9vwBGwCsFMe9 1LsDiTPAGvitIbTNaTbFXxPcyTB0F21+54rQ5hAQ= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Subject: [PATCH bpf-next 0/9] bpf: Constify BPF ops Date: Wed, 27 Nov 2024 20:15:19 +0100 Message-Id: <20241127-bpf-const-ops-v1-0-a698b8d58680@weissschuh.net> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAMdvR2cC/x2MywqAIBAAfyX23ELak34lOlSutRcVN0KI/j3rO DAzNwhFJoGxuCHSxcLeZVBlAduxuJ2QTWbQlW6U0j2uweLmnZzog+BijB66bq1V20NuQiTL6f9 N8KmO0gnz87zgjR7DaQAAAA== X-Change-ID: 20241127-bpf-const-ops-add2866b3157 To: "David S. Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Martin KaFai Lau , Kui-Feng Lee , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Jiri Kosina , Benjamin Tissoires , Tejun Heo , David Vernet , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-input@vger.kernel.org, =?utf-8?q?Thomas_Wei?= =?utf-8?q?=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1732735245; l=1323; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=zC0ViIiYdKsbVqeJfJUG3RgY2nrR+ULONrnm6jK1PYA=; b=ySK54si6Ag6rcojkx7OIsS9WP8sr4LPXu+9XrODrxc3Uh2Zl4ToNUwiMWlcOTa/vu12B06OvE rvFYs2UjQD/CX5F/kTcWJT6XRTzsOhms6mKqG3GaGYQhAgdudk4kn/7 X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Move struct bpf_struct_ops into read-only memory to protect against accidental and malicious modifications. Signed-off-by: Thomas Weißschuh --- Thomas Weißschuh (9): bpf: tcp: Remove inaccurate comment about extern bpf: Move func_models from bpf_struct_ops to bpf_struct_ops_desc bpf: Allow registration of const struct bpf_struct_ops const_structs.checkpatch: add bpf_struct_ops bpf: Allow registration of const cfi_stubs bpf, net: tcp: Constify BPF ops bpf, net: dummy_ops: Constify BPF ops HID: bpf: constify BPF ops sched_ext: Constify BPF ops drivers/hid/bpf/hid_bpf_struct_ops.c | 4 ++-- include/linux/bpf.h | 8 ++++---- include/linux/btf.h | 2 +- kernel/bpf/bpf_struct_ops.c | 8 ++++---- kernel/bpf/btf.c | 4 ++-- kernel/sched/ext.c | 4 ++-- net/bpf/bpf_dummy_struct_ops.c | 10 +++++----- net/ipv4/bpf_tcp_ca.c | 7 +++---- scripts/const_structs.checkpatch | 1 + 9 files changed, 24 insertions(+), 24 deletions(-) --- base-commit: fc39fb56917bb3cb53e99560ca3612a84456ada2 change-id: 20241127-bpf-const-ops-add2866b3157 Best regards,