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 6A4AC34DCCB; Tue, 26 Aug 2025 14:35:46 +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=1756218946; cv=none; b=dgw9Jk+FXIxiI+ET0uDNZOjvMMhQKwALypTB08D7CpO/C/ifqfWoGwTlhKgkhNmYljKvVaA4RkKfEnXbq2AFy9J4XcsH6gAba4CA8l7RQpHVNAeLpqaNCiH5U/Zd+iN59q/zPBuOzkoDNGoPDm/SYAM8swRVBVY5PZKf2cPLBq4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756218946; c=relaxed/simple; bh=zyJUoGb84GuPRm9w6GKNQ3jJtFxW00DAzs4Pl5DFR7Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D/bjrpQt25xDqnfd5PzoxTXlU91k7HTL7QgN/vhWAVih6UR5TQ++TE1YiRLVLUpeRP6U3Pm/1WgSyVixoiyMkda7fVtDqXA+fI9V3cZy/MAsaRcmFgU9z2TLAMaveexcIzxRGHu5Ydo6lz6XVq39Va7Qf7fFC8e6yRFituAL/WU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=rlTPDxNz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="rlTPDxNz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F3C96C113CF; Tue, 26 Aug 2025 14:35:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756218946; bh=zyJUoGb84GuPRm9w6GKNQ3jJtFxW00DAzs4Pl5DFR7Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rlTPDxNzIkPUgNt/QsEXWDrXaARXTcQUc2hab45rP9tbVOYfF77RNHDQMoSzUWpQp gq311EFVMXrS0ZoRz97H6tBLCcbg36wdiAUVJ9AQIzOl78V9yhZAr5sVfij7j+5Z9r QkO0cwx1hIeEGO9qEoM1WS3h7YNomuG0DlJL7Gqo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sebastian Ott , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 5.4 195/403] ACPI: processor: fix acpi_object initialization Date: Tue, 26 Aug 2025 13:08:41 +0200 Message-ID: <20250826110912.257478643@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110905.607690791@linuxfoundation.org> References: <20250826110905.607690791@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Ott [ Upstream commit 13edf7539211d8f7d0068ce3ed143005f1da3547 ] Initialization of the local acpi_object in acpi_processor_get_info() only sets the first 4 bytes to zero and is thus incomplete. This is indicated by messages like: acpi ACPI0007:be: Invalid PBLK length [166288104] Fix this by initializing all 16 bytes of the processor member of that union. Signed-off-by: Sebastian Ott Link: https://patch.msgid.link/20250703124215.12522-1-sebott@redhat.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/acpi_processor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index c8338d627857..9cbf0593da05 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -228,7 +228,7 @@ static inline int acpi_processor_hotadd_init(struct acpi_processor *pr) static int acpi_processor_get_info(struct acpi_device *device) { - union acpi_object object = { 0 }; + union acpi_object object = { .processor = { 0 } }; struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; struct acpi_processor *pr = acpi_driver_data(device); int device_declaration = 0; -- 2.39.5