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 C713423024D; Wed, 12 Mar 2025 08:06:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741766808; cv=none; b=KZVhRzxsMatEms8fDv+IRS9/kIfIMjOEYMbDMFUWb+fVVarCHIgUWVPiOsuE5TcpZO2dLLtotyAK5akLq5VFaIFQWKCO/M7VdoHae9X+chNstMrgCEPg/yJrfqMNbpRo7/BPePLGFuZ7XcI3iWskcwZGi3W61ePIba+vP/qMPG0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741766808; c=relaxed/simple; bh=2qYWFd2AX/MDpzQluHIJXRZMEf7QU64v1QrPYF0Aleg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=REjEdPYX0FqytNUisCs15C9qsfVr4nqReZo0GQuJdPEdcGAocLZi+RyoIa03QlSCOVwt2imYytuLtR7Mkc9iyNigU4H0ZIP3wDr3oRHpNsWz1RUPpkltRRrkYzwGGLviPvUxACK8W2XPAoIR6BL2dQIqgu4IsjH5isle4HBuDfQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=faaq5wd1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="faaq5wd1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A053C4CEE3; Wed, 12 Mar 2025 08:06:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741766808; bh=2qYWFd2AX/MDpzQluHIJXRZMEf7QU64v1QrPYF0Aleg=; h=From:To:Cc:Subject:Date:From; b=faaq5wd1LWhr3FeNtx4FIJvQ7eJLxpJTnZ7gPJy1HX3IidTpawbto0XNePn8N2jgm lt0ZIyl4zHz03FraSJcFt7fuvcC0klbFNeE1cJej6R4NSqUACE+yTe7xSXpSfN5aKd ASA4NkzvozTrXjuXA6xi+rPK/ixgj8z8IQJjikuBlAMRN19ObFufGS3Buz/ZYRyX28 hd+lifDDKo1u9DSae6ZDBVOXXHhbpCDQNt4OObW44E5Pzz6jRALZFst9WEm2Rmyard NWhpj+AsLyYYlRhxBarOhCaOuUo0zWa1T0tlJmGB74ABcNGHX23K6gMWCHd9F1PQG5 P38wVYEMSVMiw== From: Philipp Stanner To: =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Philipp Stanner Subject: [PATCH v3 0/2] Harden PCI resource array indexing Date: Wed, 12 Mar 2025 09:06:33 +0100 Message-ID: <20250312080634.13731-2-phasta@kernel.org> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This is a v3, spiritually successing "v1" the original implementation of length checking [1], and "v2", the fix squashed in by Krzyzstof [2]. Changes in v3: - Use PCI_NUM_RESOURCES as the devres array length and provide that as a bugfix to be backported. (Damien) [1] https://lore.kernel.org/linux-pci/20250304143112.104190-2-phasta@kernel.org/ [2] https://lore.kernel.org/linux-pci/20250305075354.118331-2-phasta@kernel.org/ Philipp Stanner (2): PCI: Fix wrong length of devres array PCI: Check BAR index for validity drivers/pci/devres.c | 18 +++++++++++++++--- drivers/pci/iomap.c | 29 +++++++++++++++++++++-------- drivers/pci/pci.c | 6 ++++++ drivers/pci/pci.h | 16 ++++++++++++++++ 4 files changed, 58 insertions(+), 11 deletions(-) -- 2.48.1