From nobody Fri Oct 3 21:04:31 2025 Received: from SEYPR02CU001.outbound.protection.outlook.com (mail-koreacentralazon11013026.outbound.protection.outlook.com [40.107.44.26]) (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 2F7B327FD5A; Mon, 25 Aug 2025 07:36:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.44.26 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756107383; cv=fail; b=Rx7kQV8oeoQeUk9PrTKQt0lpQHZSHabkhrKvs9cC1AITbFTfWzuwbT9BP6MJVOCwPKkLDY/8jhOAre1+rRjYHPP92hj1cBUzw1GxqQvR2BQocvPK4331eUzDd4bw+1XTxyw/3Xw66UU41AjSbkKvCOl9BcTWD7tTC5Pusc5xHis= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756107383; c=relaxed/simple; bh=B0PW8uUh5gI9GiOQjft3MWHcpiYARa5z/BdECAw1qWk=; h=From:To:Cc:Subject:Date:Message-Id:Content-Type:MIME-Version; b=oZjKNAsngvasNGy8OI4Yg4R4h9JVkB1nrRpfZfwVAujD6U1l2qT1aNVBWI0kuEPI+ve8jA4Lw/3iWErJgmgxVIT6zq8xbJsaP4L7bZYEFmQyd//l2842ipqMo1ZshYp4oBpgLVr0GDnTOVZGF0QFdPB1ENPsku9CZlAit2XRg+c= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=vivo.com; spf=pass smtp.mailfrom=vivo.com; dkim=pass (2048-bit key) header.d=vivo.com header.i=@vivo.com header.b=E+piKSZN; arc=fail smtp.client-ip=40.107.44.26 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=vivo.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=vivo.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=vivo.com header.i=@vivo.com header.b="E+piKSZN" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=E3XZXMxgmqlfNnoZI4FyzrGWszxeBlN1p4zT68qA9sDSsMCxb4ZFglWzvxSBa0mWyEvaMdxL/bCOSzjbjNfs4cupFI00LYhxfj87O7JxAbW1U88OtFYF6HvK9Bumr3w35wHklj+z+dEVT5ThRkJY7nmR7L3D+1XXnR933K/g/HvM0NrAQr2uRkfgodhWkOWXqTTFDQUHSL7QFAoDZEFodW/rqf8yXOUG56q36689Dg5WRLc0CEuvnvW5+F7LyPshbjbVaL51Rn0/37iGDdsWR8ioaigMtvaQ/20rL9mqRdwrdCF19fFOxekqeldWH/g5i+hh+GVyInCUcGywLNU8BA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=xnNB3ovm+vT0otKaeA0KDgXPs2nV8zGo+Mbj1WP2628=; b=A5HyPJOfY3IrPjDZuRYuL4l9cN2/2AMld3OI2ag6VL2SzrmxftOY664a4XGt8A/j99O4qM1ROcg8xpxRYhSAEzFzXNUhr6xSA7mXyF7JXvfoDQ66CEwyxyTuWXtgqvCfNDIpoZnPnGCq2hJPUJB4xFohYilanMq3OxRIxiANDrjXmqjgZtBM7xQ3gX0ZSd7aQflcDZAT9wOD749D5Slrehmt3W5rI4KEbo0QwJOPoExZULiLKXjRgHeDrt/eVy5auMOIe7FxQytdURRg+qu2mVUtPbEHYW62UujhuoqG0UH8WsJr4abQNAz6y8UtwxlDWaQEq+Y5yexgd/c17abkug== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=xnNB3ovm+vT0otKaeA0KDgXPs2nV8zGo+Mbj1WP2628=; b=E+piKSZNvljW/uI0OPSBwajRcBOA/gvKMeLa6SssirGlecDvfGHofiZgiNUhq+QhY5cJxZPdk13PJbYh0B3Zqelic9y6JztH3yAtD1dsJ+/6HHF8Nb9zCbe9Bli6h/O9ffZOEbpnnFIn1c1YTNdALCLhtJw60+IGCi485PxJ7hEt9gMTPnZSIGCkbuLX3S3gn65aWCRx+CNDiqqm7Z+Q/uJ90I52c6+30ebHBN5yaBhAmgWaoGBKxUHiSXmM+9V5cO1q0t3qjRjHJC+thw3iUx5I1iINRah6sZZWZ6G3HuMdI8cW1bgf0ZGpt11TFDaXMOVxnE5XLciLXoDxpw5vzw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from KL1PR06MB6020.apcprd06.prod.outlook.com (2603:1096:820:d8::5) by KL1PR06MB6348.apcprd06.prod.outlook.com (2603:1096:820:e9::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9052.21; Mon, 25 Aug 2025 07:36:18 +0000 Received: from KL1PR06MB6020.apcprd06.prod.outlook.com ([fe80::4ec9:a94d:c986:2ceb]) by KL1PR06MB6020.apcprd06.prod.outlook.com ([fe80::4ec9:a94d:c986:2ceb%5]) with mapi id 15.20.9052.019; Mon, 25 Aug 2025 07:36:17 +0000 From: Xichao Zhao To: kees@kernel.org, viro@zeniv.linux.org.uk, brauner@kernel.org Cc: jack@suse.cz, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Xichao Zhao Subject: [PATCH] exec: Fix incorrect type for ret Date: Mon, 25 Aug 2025 15:36:09 +0800 Message-Id: <20250825073609.219855-1-zhao.xichao@vivo.com> X-Mailer: git-send-email 2.34.1 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2PR01CA0165.apcprd01.prod.exchangelabs.com (2603:1096:4:28::21) To KL1PR06MB6020.apcprd06.prod.outlook.com (2603:1096:820:d8::5) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: KL1PR06MB6020:EE_|KL1PR06MB6348:EE_ X-MS-Office365-Filtering-Correlation-Id: db7ec515-72fe-4f1f-2025-08dde3aa1410 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|52116014|376014|38350700014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?Zk3dJYuk+YXgqLSHGB7gyafu7jy26qiai+VsDFoTIPPCJMkJiYvT4qa0hNHI?= =?us-ascii?Q?DW32chAqUHshcnzxvN87HSOfhaeeMunf9+2w4QqzsvlT2zDgxwvinmvu3H+t?= =?us-ascii?Q?YDd7QksB8TrWjMweQd3mEXoubVVQozTPmf1+byZCLYInGD09XtZOFHCMzOWg?= =?us-ascii?Q?4aCeEYZ0iRuqrVzuaxUzAhXWWQ41I6ceA4aiKnNd7AArzOJi6zDu1OCisNYR?= =?us-ascii?Q?Dr1ldt08AiI80FHQi8KWfkdw0e3aWC2VziSaeOlG7/FiUalAk3vYyE7OXVvX?= =?us-ascii?Q?GoD9CYdUP4TRJuB2IBcKIwwJKCWvj0YmuCBN57tabNI0u/N8c8S38uWFq2zH?= =?us-ascii?Q?MlmD6hCJL1TeS7mdthVPpSmuZ3t4UkuMpJBi9c8tBStxTb5eMd08YnQzhSD9?= =?us-ascii?Q?gknF1YDYYTQG1Tgc8H572XUExvqCcVo1yuH8wk/HNmxt72koO1Zy7M1tfNGv?= =?us-ascii?Q?i8Djv57D5yH71RO5/FQYEM9FibOG34jea84mAKhNvRO0bzSnAU+TlTtazMFx?= =?us-ascii?Q?2XAaRQbQOngw3rN1zL4DyYo7oMivpEqT/VbByGl0U4l3UqHB5RqIITbVPPVy?= =?us-ascii?Q?Fdo4X2FYLpfLwptPKgNQzd9Ya6OaRJ/Wu50MAwZXW4IOipdGhMwnrWrgDIcw?= =?us-ascii?Q?RfKKGnVDz4brGovoFuBqYLgI/jGtldJLS88qx2neT4uPJ2DDmjyHh7BkWj1t?= =?us-ascii?Q?EO9w0EeaYeZP+tepbdHt6ea2sbhDdzmpeI8ybYPZD3vTblHsT+wgt9XzSHxu?= =?us-ascii?Q?OMnlwYMto6JmICeNsprFCFjk9fi+noiFdFZ+CjqXCzFHwKnqljRCPBAEqayO?= =?us-ascii?Q?0gevbGMf71zuTigNMSYNjCzTnfD0qOXY6+c6rONl+is0mYEh8NFSZOpsOh9C?= =?us-ascii?Q?A8LnrLzcFJ1WkUop4QK++Agivlg8oFr8zLxZ6HYOGuJEVTUKzpHAPTGDuheO?= =?us-ascii?Q?qllRlcFCsXyfnssEPZ5hB0IxU8JxXOS6ik7cNdpwDmzyf3grElHvq8fYah5w?= =?us-ascii?Q?TaP/MpJDwtnfNbh6Z0e6ACydpAYXv5ttuE9myL2ymJS3hPM/1WXH3jSq1NRB?= =?us-ascii?Q?vLB3e7CG0JXY2NjnaTKx19uyL6ailHP3gD61rzk7VJRNE/RPt/S42ouKgGr6?= =?us-ascii?Q?+hXBIQcoTqguPT5tyNm91bjNVhcaMCxWuKagNZlPUTk52jTuwSzB5KqlHjsA?= =?us-ascii?Q?U6ERJF6YEGEFxkkBqMkfN1dGfsC2CJwUPsEOoWHm29Lv9cnGqesUN0lYd8OH?= =?us-ascii?Q?2XpxMhEwBLAvXiY3a2aRdd0GxBBVszPiFd2VZP6QwFw6p/pGmrXqnjaXLxUh?= =?us-ascii?Q?GKZJ1xe4eMo9MQpLOXD1g0+/zmm+3n65ixG7jU0fKC755LzDfvG59VgfNqEB?= =?us-ascii?Q?6ov6f78v6n8Yubc08FNSvUMMUpljXCa/6gn417+47SVHBnKOEpQ4LmB3nqEd?= =?us-ascii?Q?Z/Z2zkyB8/ATvyCgNjo2SIrtuHwQix+ZeouxK0O6yXqfNE1f4m4i7w=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:KL1PR06MB6020.apcprd06.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(52116014)(376014)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Cu7Z+aQvou1vx9wp6p2gmOLnVjLVmAhD8ze8jXdZYZV/1kXMMgd5M1k+X7e9?= =?us-ascii?Q?hCq0HvKf01ZWAX+Wo6WW2FxQzai2US5VfotiH0firUgT4YYrcyoRkp+d/D53?= =?us-ascii?Q?cscw0XAGFqJTlqx5jZJfwhwAlrDi1KA2Dk+msAHPZW+DvGQukjzb0pfiCYdu?= =?us-ascii?Q?zuK4e5c6zhUQIgeROSYYt4J+xO/ofjjtYW8R28t4av/dYILbjrfjyerfZ4ww?= =?us-ascii?Q?/7KGJhoWcePbdRDfnkNdwkQuCXtubtW3bw7tgH/qnEOQTlDxnitHM3qRvSD0?= =?us-ascii?Q?E2+f2NLIWOQLqOS+ccRNQMPzjjQykS40oZWI/aRr1bFbv5T371SSwZI2Py44?= =?us-ascii?Q?U3EWvtSqj5HqZgdTPW7lDYM3p7nP1VI7Ut1P1Ol7wxNfBX/saKAaM/XnUWIX?= =?us-ascii?Q?KEWEDr0k+h8g9CP0XDZjHAuyakYrFmfeJt2T7mGkLZ/0dB7Ds4xwp4kbWD5C?= =?us-ascii?Q?D3WbmFTOSPnNFia36JU877B/soAaak4Tir9C2IZo31p/pZdEI/S59VjFDISb?= =?us-ascii?Q?7FhjSzyR6wJ68VNQuU6fagGOiOnwo7uavIVCNoTGkHHgI8pdiIjXajPfHZ2i?= =?us-ascii?Q?zXutnrKSHomhUZDhXtXVET65X+rTDZFCOJE2SZ3LuHPZWLC4yO3SzSdXdfTJ?= =?us-ascii?Q?I2bx1Rhglwz4t9+isRYVKn3u29TABe2JnPNQNiBXybAFiVGi9A/CDbe+itOL?= =?us-ascii?Q?6PfOO7AzfuL78+cRp+oxzEzfkgYoTTeRzYiiKg3ZacuU5lOsEXXQ4woe6oDJ?= =?us-ascii?Q?cI+3MiPEfjgwsJm4/sF/tOX5F21jzLFtu3n7M46Hqu2z66R1VFLgca7TBnWT?= =?us-ascii?Q?U+LIWbfekPEXZX3hovEigloLGmQPvY0y/e/EDWDrucpsNU7TaUYZTjqMegar?= =?us-ascii?Q?uTlektEFxOO8qI4hQSWgOOKh5wxthQkeaJLHyLrZDNMaNAT82BH8hlv2b5CU?= =?us-ascii?Q?hx+cQwrY9xdt3vURcHKzZtYkNi0zSiqKiKWN6bgZQFfHUKy4g6ZXIFhxeqmU?= =?us-ascii?Q?/Itt0DTV47NiOd2fb2TMfOJrvv61xV4gES2pl0FuRkGECFLVFfoMlEaKBL+R?= =?us-ascii?Q?dvaAe7zNyqWrXNlPq9r6FXLNqcBFFe9vwZck0dInFS9rmK1Ff7fEmFGJT7Je?= =?us-ascii?Q?rHEXrDsK4W9kE+yUbTTzmL2348ahu+wj1PYWwnQNbWXRIlzXmtikSfJ89QAb?= =?us-ascii?Q?S94RXuoxatIZTeADS87lMjGLldro0fE/22t/qTi5s9BMpTe8KgCJmORVfIMI?= =?us-ascii?Q?0OhLoyRkyM5ezj0WneufGLQ1+J4GbeTkt0svThzP2l9WFKa+ta5zSdEB1AEd?= =?us-ascii?Q?MNtwB3is4BTV2y4Y7QEd+XGvA1LGcSnBJ1nWiW9Ie2JxtbOZxNWFqncOw79T?= =?us-ascii?Q?FXM16yb5r40JVDo9BAailb06d+pnNRylSf79vb6Mi2v8sr8LRy04hpD2WrK2?= =?us-ascii?Q?EyDpIYOVXL1N/VSc/7VIYtpWGOfbxGCUOYhN/POyynisiH2tNQqyjZHBpS/P?= =?us-ascii?Q?8cSxzC5P/aE1zWByxwjhKCsWdxqT93l8RDa7YIwOQTN0L2wRXot4lAlWgE4F?= =?us-ascii?Q?+fC0l7xFhf7PczSjMUXrDAFt2qhdSREgQh4jynPz?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: db7ec515-72fe-4f1f-2025-08dde3aa1410 X-MS-Exchange-CrossTenant-AuthSource: KL1PR06MB6020.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Aug 2025 07:36:17.8990 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: bfFiRNBR+bTn4qEDSpITeaky9kYK4yfmZcZcnTHN0KSOa2fxwgwa7CZLmSDhdCZ3i0f9gzvR+N1Pv3OZK17/9Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: KL1PR06MB6348 Content-Type: text/plain; charset="utf-8" In the setup_arg_pages(), ret is declared as an unsigned long. The ret might take a negative value. Therefore, its type should be changed to int. Signed-off-by: Xichao Zhao Reviewed-by: Jan Kara --- fs/exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/exec.c b/fs/exec.c index 2a1e5e4042a1..5d236bb87df5 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -599,7 +599,7 @@ int setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top, int executable_stack) { - unsigned long ret; + int ret; unsigned long stack_shift; struct mm_struct *mm =3D current->mm; struct vm_area_struct *vma =3D bprm->vma; --=20 2.34.1