From nobody Fri Dec 19 13:51:36 2025 Received: from mail-pg1-f175.google.com (mail-pg1-f175.google.com [209.85.215.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4DB247A724 for ; Tue, 27 Aug 2024 05:56:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.175 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724738169; cv=none; b=eGNWoOZsFghstgm+rk4cg7XB/lsA/gRzjhkCxXaU+ULew2xSI6XIEjLh/bAPQzePFnzfIOZad4AQG/R5GmXiWsN9/8PKFxsFHejl7iIggXJ6VEfuH/NlRE+KISIFHGF50mFvLjs9Sh0CNyufxr8QgQnSluGAZXudFN3i0ReCejk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724738169; c=relaxed/simple; bh=IUj7d6MyyD/+ZasNZAvTYpfp+WFcWVsB4JMhTzqxF44=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=BYQnQWe08SfGWO7NJ+KlGN/WWFZ2LkagloVq1WnwJi8FKg6G3U260mVc2aIG3RmBaLHX175EaVJ+LDJ5DY058kHTsEPh14engXAsMy7TreTYWbsi+49eX2X2uypOb0RFfV6Ty3g1uWenDL2Ef9++eeC8IVsk2vrpNz+A4w3x3no= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=gpJoNtBv; arc=none smtp.client-ip=209.85.215.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gpJoNtBv" Received: by mail-pg1-f175.google.com with SMTP id 41be03b00d2f7-6bce380eb96so2777671a12.0 for ; Mon, 26 Aug 2024 22:56:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724738167; x=1725342967; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=7++II4ZyoF0+E2oWFj7dUGQKtiYcKou/Mn0UWilD5ns=; b=gpJoNtBvMJRQRmscSr8YrxR6wL0WFlsheWuVj5mF8Qqeanyk7pVnXRZjCI615GAK34 Ti39LPxeSDLAiI+jkGL647PkxZo0sjSMCgN2argRpJD8vMolb+RGs1mG5esTJjWXJwZJ Y+sjHWCAqUvPnU50vPyTJd6bwTFV7SbPPCNhA0xwaw4Q9+JKrj2ovIFNDfW4gpPeBgFt oCTkH9QlB+RIQF4/VuJa8WsoZWEKOUqVIwiosFFm4/eC9I3+G0c+8FhrM0wFdDxuqREn yNvCw4A/LqfwFfO+EnaYyWLB2CdkDTraRw5SEhg9O7MJgaXaljtZLQsU9KZ1zwZX35f2 OeDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724738167; x=1725342967; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=7++II4ZyoF0+E2oWFj7dUGQKtiYcKou/Mn0UWilD5ns=; b=s8C0fM9w0zmm2Nz4+Lrcb571q8gR+WUCuatA6nifwUK3XTU4E5Y1VcZgT87HEskcbK DC33baGt1K819T8J5CM4iy1FI/AkPkPTx5/gnO7M/bd1qnq9jTyif5b4FuL6brsHyT7B 4CbDcT4G7NuQvSVfM7nDcjyoUk2e7ugVaeZa6cQjC7pX690q2eNVyJD1pv7gD2tVr7Os ARxfA/TNOk41YZkmvtFOZgk0KTrEw7zrODimQcFysqqar3ONbCQrePRlpn7gGgnUYlQP OrYjIMPRQYuEFb27Gbd0BY891H7WXUEIphFg1z3F06zVz8KxsfjCCb11S+NVFsCgwxn3 AfJg== X-Gm-Message-State: AOJu0YyqvULSfXTg5ulAXUZSYqPLAGyOI5HKKCfbZE9vCeQoGGA8IwUq NEpVl5SCEmdzKbH2ukQePY4nfj6rOHUZwJ5JaKMSGgB3WolaEJR/eyy5qWQEv9I= X-Google-Smtp-Source: AGHT+IHwuLhY17cw7YN/6XClW4UKLX2849F/+Oz7y17YUrzjBBEpJgiHuEVGpp6vXEMRtZiUjR+p6Q== X-Received: by 2002:a17:90b:1182:b0:2d3:c664:e253 with SMTP id 98e67ed59e1d1-2d82580d12dmr1950655a91.10.1724738167168; Mon, 26 Aug 2024 22:56:07 -0700 (PDT) Received: from fedora.. ([122.180.189.45]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d613b1ac7dsm10989313a91.47.2024.08.26.22.56.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Aug 2024 22:56:06 -0700 (PDT) From: Riyan Dhiman To: gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Riyan Dhiman Subject: [PATCH] staging: vme_user: added bound check to geoid Date: Tue, 27 Aug 2024 11:25:55 +0530 Message-ID: <20240827055555.65371-1-riyandhiman14@gmail.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Added bound check for geoid in probe function because geoid will always be positive and less than VME_MAX_SLOTS Signed-off-by: Riyan Dhiman --- drivers/staging/vme_user/vme_fake.c | 7 +++++++ drivers/staging/vme_user/vme_tsi148.c | 7 +++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/staging/vme_user/vme_fake.c b/drivers/staging/vme_user= /vme_fake.c index 7f84d1c86f29..d93a5d428ab9 100644 --- a/drivers/staging/vme_user/vme_fake.c +++ b/drivers/staging/vme_user/vme_fake.c @@ -1059,6 +1059,13 @@ static int __init fake_init(void) struct vme_slave_resource *slave_image; struct vme_lm_resource *lm; =20 + /* If geoid provided, validate it is positive and less than VME_MAX_SLOTS= */ + if ((geoid) && (geoid < 0 || geoid >=3D VME_MAX_SLOTS)) { + pr_err("VME geographical address must be between 0 and %d (exclusive), b= ut got %d\n", + VME_MAX_SLOTS, geoid); + return -EINVAL; + } + /* We need a fake parent device */ vme_root =3D root_device_register("vme"); if (IS_ERR(vme_root)) diff --git a/drivers/staging/vme_user/vme_tsi148.c b/drivers/staging/vme_us= er/vme_tsi148.c index d81be8e4ceba..97323b5563e8 100644 --- a/drivers/staging/vme_user/vme_tsi148.c +++ b/drivers/staging/vme_user/vme_tsi148.c @@ -2252,6 +2252,13 @@ static int tsi148_probe(struct pci_dev *pdev, const = struct pci_device_id *id) struct vme_dma_resource *dma_ctrlr; struct vme_lm_resource *lm; =20 + /* If geoid provided, validate it is positive and less than VME_MAX_SLOTS= */ + if ((geoid) && (geoid < 0 || geoid >=3D VME_MAX_SLOTS)) { + pr_err("VME geographical address must be between 0 and %d (exclusive), b= ut got %d\n", + VME_MAX_SLOTS, geoid); + return -EINVAL; + } + /* If we want to support more than one of each bridge, we need to * dynamically generate this so we get one per device */ --=20 2.46.0