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{ "id": 2222928, "url": "http://patchwork.ozlabs.org/api/1.1/covers/2222928/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260414024544.2975605-1-duziming2@huawei.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.1/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260414024544.2975605-1-duziming2@huawei.com>", "date": "2026-04-14T02:45:40", "name": "[0/4] PCI: Fix procfs PCI config access issues", "submitter": { "id": 92271, "url": "http://patchwork.ozlabs.org/api/1.1/people/92271/?format=api", "name": "Ziming Du", "email": "duziming2@huawei.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260414024544.2975605-1-duziming2@huawei.com/mbox/", "series": [ { "id": 499767, "url": "http://patchwork.ozlabs.org/api/1.1/series/499767/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=499767", "date": "2026-04-14T02:45:42", "name": "PCI: Fix procfs PCI config access issues", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499767/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2222928/comments/", "headers": { "Return-Path": "\n <linux-pci+bounces-52466-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=huawei.com header.i=@huawei.com header.a=rsa-sha256\n header.s=dkim header.b=fy8BxZwC;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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Tue, 14 Apr 2026 10:22:25 +0800" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776133352; cv=none;\n b=IBPHL9MoeHqA/uZViHE+4NbA1GnHf+M9rWfnr4xzvk5m753qLLM2D51AFdzF+76Udgcf7F0k0swGtbLFLyNi76Y1xBNpLdut1fzuj/ydfwEp5aFMUbd0ESqblxgKlI0OiORlKA1tT+J9ct/TYugWVTggeuhZqgkw3niUWOBnJK4=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776133352; c=relaxed/simple;\n\tbh=v4hRLWdKZl1td+XsFhOO+B7/Z0GyFge0IIAVpEt8kRE=;\n\th=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type;\n b=AO8OtqUx4W98Z7NIdEpevF0Iscvm/ecHyfVKp8CqPp+0HGL8+VNQtfTqS3QgRDU+jpmH/eXTCLguMp1br/pGTZQ4KVEs4m1gEUKZACmvg/k+02OtpDvReTT8pkwjWeJBHFuhKXpOYV7E35A97PC+GpY0UqAgvZqwmpKQASMJEQU=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=quarantine dis=none) header.from=huawei.com;\n spf=pass smtp.mailfrom=huawei.com;\n dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com\n header.b=fy8BxZwC; arc=none smtp.client-ip=113.46.200.226", "dkim-signature": "v=1; a=rsa-sha256; d=huawei.com; s=dkim;\n\tc=relaxed/relaxed; q=dns/txt;\n\th=From;\n\tbh=y8QgHZ6mFh3FP1pNCkiLHez+31Z3pNxghWY6u95D59Y=;\n\tb=fy8BxZwCRbi6O3LyWV/Ae86h3hwBXm77qIbhFKNocxib34SJrxKd5+3sX7xWoJzkVEodsw/Pj\n\tKSwQiTUCIO1MOcAS6AGxhgwYnT4sC/uPVM/MHbHWicEEElNbxiVyfDnatyq5XDz9yKaQsS/7tSR\n\tYLBVbXDJOmWYB0a2grSMYdQ=", "From": "Ziming Du <duziming2@huawei.com>", "To": "<bhelgaas@google.com>", "CC": "<linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>,\n\t<liuyongqiang13@huawei.com>, <duziming2@huawei.com>", "Subject": "[PATCH 0/4] PCI: Fix procfs PCI config access issues", "Date": "Tue, 14 Apr 2026 10:45:40 +0800", "Message-ID": "<20260414024544.2975605-1-duziming2@huawei.com>", "X-Mailer": "git-send-email 2.43.0", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"UTF-8\"", "Content-Transfer-Encoding": "8bit", "X-ClientProxiedBy": "kwepems500002.china.huawei.com (7.221.188.17) To\n kwepemr500012.china.huawei.com (7.202.195.23)" }, "content": "Hi,\n\nAs suggested by Bjorn, this series aligns the implementation of procfs with\nthe sysfs counterpart and fixes procfs PCI configuration access issues.\n\nThe first two patches refactor proc_bus_pci_{write,read}() to align\nwith pci_write_config() and pci_read_config() respectively:\n - Rename variables (pos->off, cnt->count/size) for consistency\n - Remove rebundant bounds check\n\nThe last two patches fix potential overflow issues:\n - Prevent overflow when offset exceeds reasonable range\n - Fix implicit 64-bit to 32-bit truncation in read path\n\nLink: https://lore.kernel.org/all/20260303193253.GA3817951@bhelgaas/\n\nZiming Du (4):\n PCI: Align proc_bus_pci_write() with pci_write_config()\n PCI: Align proc_bus_pci_read() with pci_read_config()\n PCI: Prevent overflow in proc_bus_pci_write()\n PCI: Prevent overflow in proc_bus_pci_read()\n\n drivers/pci/proc.c | 115 ++++++++++++++++++++++-----------------------\n 1 file changed, 57 insertions(+), 58 deletions(-)" }