From nobody Thu Sep 11 18:32:08 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E46EC636CC for ; Thu, 16 Feb 2023 17:57:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230094AbjBPR5p (ORCPT ); Thu, 16 Feb 2023 12:57:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229584AbjBPR5n (ORCPT ); Thu, 16 Feb 2023 12:57:43 -0500 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A6911BD1 for ; Thu, 16 Feb 2023 09:57:39 -0800 (PST) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 8E9FD5FD10; Thu, 16 Feb 2023 20:57:35 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1676570255; bh=SduSeqOwVL90O9MEgDTlHkV2YuE15AjLaWPjyDCCbvQ=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=kFmCVb1rxHNm8v5I0wrODLKy6oWi5DrJVjX3n8ylfuqC+mgu2vSVFodi/xRTa5lY4 2fT6+47r/IzlJvv4YbX0jwJPTGo+9JPMORi3+eEaFqLqsYoHSvI+1FFQuTwGwV3naM hV01t8DBIQdoZW6ecsJ5hb8hDZQzzwLB+YWdvr0bkxhrlwCdwYJ/+o79NxK1YyVgas jiD85t+P389oy8WjJo8IpxT7Rh7SCr0ul22l57qP9lrmTdzifKHrA3PioaTya0H24+ id7ng3Sqjty+eEOzpb0vrzy9oZNg+LiZ+iYI/aA8ONo3aVsoQrsSyO65BazcTQZt90 jNh5GZjJ2pAKw== Received: from S-MS-EXCH02.sberdevices.ru (S-MS-EXCH02.sberdevices.ru [172.16.1.5]) by mx.sberdevices.ru (Postfix) with ESMTP; Thu, 16 Feb 2023 20:57:32 +0300 (MSK) From: =?utf-8?B?0JrRgNCw0YHQvdC+0LIg0JDRgNGB0LXQvdC40Lk=?= To: Liang Yang , Miquel Raynal , Richard Weinberger , "Vignesh Raghavendra" , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , =?utf-8?B?0JrRgNCw0YHQvdC+0LIg0JDRgNGB0LXQvdC40Lk=?= , Krasnov Arseniy CC: "linux-mtd@lists.infradead.org" , "linux-arm-kernel@lists.infradead.org" , "linux-amlogic@lists.infradead.org" , "linux-kernel@vger.kernel.org" , kernel Subject: [PATCH] mtd: rawnand: meson: initialize struct with zeroes Thread-Topic: [PATCH] mtd: rawnand: meson: initialize struct with zeroes Thread-Index: AQHZQjAk8W+Ow1LN4Uavv419Ihk4sA== Date: Thu, 16 Feb 2023 17:57:32 +0000 Message-ID: <8881a365-e218-916a-e68d-d889797279be@sberdevices.ru> Accept-Language: en-US, ru-RU Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.1.12] Content-Type: text/plain; charset="utf-8" Content-ID: <67C80C4B08BF6441AA617A43FDA00DA0@sberdevices.ru> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/02/16 08:39:00 #20868660 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This structure must be zeroed, because it's field 'hw->core' is used as 'parent' in 'clk_core_fill_parent_index()', but it will be uninitialized. The following backtrace is result of the dereference of such pointer: [ 1.081319] __clk_register+0x414/0x820 [ 1.085113] devm_clk_register+0x64/0xd0 [ 1.088995] meson_nfc_probe+0x258/0x6ec [ 1.092875] platform_probe+0x70/0xf0 [ 1.096498] really_probe+0xc8/0x3e0 [ 1.100034] __driver_probe_device+0x84/0x190 [ 1.104346] driver_probe_device+0x44/0x120 [ 1.108487] __driver_attach+0xb4/0x220 [ 1.112282] bus_for_each_dev+0x78/0xd0 [ 1.116077] driver_attach+0x2c/0x40 [ 1.119613] bus_add_driver+0x184/0x240 [ 1.123408] driver_register+0x80/0x140 [ 1.127203] __platform_driver_register+0x30/0x40 [ 1.131860] meson_nfc_driver_init+0x24/0x30 Signed-off-by: Arseniy Krasnov --- drivers/mtd/nand/raw/meson_nand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson= _nand.c index 5ee01231ac4c..30e326adabfc 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -991,7 +991,7 @@ static const struct mtd_ooblayout_ops meson_ooblayout_o= ps =3D { =20 static int meson_nfc_clk_init(struct meson_nfc *nfc) { - struct clk_parent_data nfc_divider_parent_data[1]; + struct clk_parent_data nfc_divider_parent_data[1] =3D {0}; struct clk_init_data init =3D {0}; int ret; =20 --=20 2.35.0