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Fri, 04 Apr 2025 01:25:16 -0700 (PDT) Date: Fri, 4 Apr 2025 10:25:14 +0200 From: Ahmed Salem To: robert.moore@intel.com, rafael.j.wysocki@intel.com, lenb@kernel.org Cc: skhan@linuxfoundation.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] ACPI: PRM: apply ACPI_NONSTRING annotation Message-ID: <00f4b71ec859adedb34bb33b05634cc1ae97cfda.1743754416.git.x0rw3ll@gmail.com> References: Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Mark ACPI_COPY_NAMESEG() destination char array with the ACPI_NONSTRING annotation. prm_content_buffer->signature[ACPI_NAMESEG_SIZE] is 4 bytes long and not expected to include a NUL terminating character. Signed-off-by: Ahmed Salem diff --git a/drivers/acpi/prmt.c b/drivers/acpi/prmt.c index e549914a636c..7c2553696dd1 100644 --- a/drivers/acpi/prmt.c +++ b/drivers/acpi/prmt.c @@ -40,7 +40,7 @@ struct prm_buffer { }; struct prm_context_buffer { - char signature[ACPI_NAMESEG_SIZE]; + char signature[ACPI_NAMESEG_SIZE] ACPI_NONSTRING; u16 revision; u16 reserved; guid_t identifier; From patchwork Fri Apr 4 08:25:26 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ahmed Salem X-Patchwork-Id: 878620 Received: from mail-ed1-f49.google.com (mail-ed1-f49.google.com [209.85.208.49]) (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 E533F18BBB0; Fri, 4 Apr 2025 08:25:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; 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Signed-off-by: Ahmed Salem diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index a48ebbf768f9..8a5af261129a 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -307,9 +307,9 @@ static struct kobject *hotplug_kobj; struct acpi_table_attr { struct bin_attribute attr; - char name[ACPI_NAMESEG_SIZE]; + char name[ACPI_NAMESEG_SIZE] ACPI_NONSTRING; int instance; - char filename[ACPI_NAMESEG_SIZE+ACPI_INST_SIZE]; + char filename[ACPI_NAMESEG_SIZE+ACPI_INST_SIZE] ACPI_NONSTRING; struct list_head node; };