From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from GVXPR05CU001.outbound.protection.outlook.com (mail-swedencentralazon11013063.outbound.protection.outlook.com [52.101.83.63]) (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 6E28D1FC7FB; Tue, 5 May 2026 12:30:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.83.63 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777984256; cv=fail; b=eLUj0HEpsT0YkzYzov4qxO6VD7nSZfPZuhr3hmyjJ83YbMs13iTfpZ5tKUJ6hMkS6Swmiwyd6vkfb71IQq6/zC6rDOS4Lma3YnvY2YmwDt8+i5ipHVzpTzte8Osn/8KOohJgbWWpCLBrKZ8LMuKIfnymnnq2esQza+enn+tAKy8= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777984256; c=relaxed/simple; bh=57nKnR3k7awgAWg1U/Ism6WWx+4SReIMCYQDRQyp6ns=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=sUJUmep11bXlfKOtBnlFQzw7YuAIBr6PqGz9K4I0jGyBs8XV2XL4pQPw812gWOvVYI50aHDRHJll06QsFZEiLDYMIbX9IGXnVuei57MkdKBuz28X7wVH4H48ffSpmYFkYkcj/SvO1h1Sv47dIJG8kyq76Alk+xMj6I5OND+bGyY= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=est.tech; spf=pass smtp.mailfrom=est.tech; dkim=pass (2048-bit key) header.d=est.tech header.i=@est.tech header.b=B+84YijY; arc=fail smtp.client-ip=52.101.83.63 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=est.tech Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=est.tech Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=est.tech header.i=@est.tech header.b="B+84YijY" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=W2+iSnMgiDrKeGgdZum/pX1m/MrNBD1WMeQAf0gCL5te6xeYImXX4cawbNSbZaE2itiGBTzpZSGyylp7620sYjO8nQWlgTZlAegg/VGF8oxYftn5TLh3k58wFtAEM2NvfUau8rNrpTmVxZMFdUkAv8MIf9tFFJsAiWO2oStGBkL0v1CY0XQ/L5LqSFU5QUmG6g1xh+g7XbXQF2Na3XIZnLgHGfEEI8F1DAjoCxqAF3oyPdb6R6T6+o1wUGamWkevyQOxvtFATMaVJxB5Cg0AywvqbLTB9ef8CjGGSWX+eMrIqilAmepGlAeFRPyf7XJjoOzKQ4vMf/OpqeMMD/Unsw== 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=57nKnR3k7awgAWg1U/Ism6WWx+4SReIMCYQDRQyp6ns=; b=ZGCu7XmEkmvH5zlFZSeJrFdqMXUe52dbBbSIOi+Mq8CixbRjCQQWNwyTb/Qrn4D4WjQBmpBwzNhfeKVqvyJxH+XvJvoRs9rOpwpMEaoW5nPgncuo8psg+EkAe31GZW5EnuYZkF8ejPbMGWdMAVkWFfXnrj21oJ+WyqYMnZE1R1vYzauyD3Jh/eOFI+N4rt/UQwXYddRAPtMNKeZWIoVq4v/w/nnq7EIdR8ZrbF8N1coTJiRD06H8nzzxJms9ZH3gVv+GVgvk3IuBJI7Rea2ay+g9nSkLcCyEOJYYowEL+BKYTL4C4/9/9OEMcSN3NzPwkiKBQmtZuwtemghjJuGnYQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=est.tech; dmarc=pass action=none header.from=est.tech; dkim=pass header.d=est.tech; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=est.tech; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=57nKnR3k7awgAWg1U/Ism6WWx+4SReIMCYQDRQyp6ns=; b=B+84YijYv5rV3GPFaac9Hf4GfaxIpjOt0xA98iyL/w2oUCQQwzyFueGIsvmL0BFYdauwmwO9p7aN7dWV1K3wfsl/kbxaPERkirtbUsGvB6V6iTTbsL1TVEO3Zlc2+0Gl2n1sTrNDmPvmsC0g1+XBwYzVhbpySfT+Jvb/WjluYonZCfyqCrfYdiBAHocW6u6x8dVNCGGfVx60NPeJ0FThvohJig9bNofIaIg8nF9eDdu2ZigfPa8+MOOm4mVtcqBDWPKGtjkdAQ06M4S0NbIn5FYVcH+COaR7daSugECcowvTUGFwNEqpIfHhfdaWiPMrryoQKnOWMLNUq9lxj5EsWg== Received: from AS8P189MB1752.EURP189.PROD.OUTLOOK.COM (2603:10a6:20b:39b::19) by GV1P189MB2219.EURP189.PROD.OUTLOOK.COM (2603:10a6:150:9d::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9870.25; Tue, 5 May 2026 12:30:48 +0000 Received: from AS8P189MB1752.EURP189.PROD.OUTLOOK.COM ([fe80::69fc:c4d4:200b:e4b4]) by AS8P189MB1752.EURP189.PROD.OUTLOOK.COM ([fe80::69fc:c4d4:200b:e4b4%7]) with mapi id 15.20.9870.023; Tue, 5 May 2026 12:30:48 +0000 From: Yunseong Kim To: Greg KH CC: "stable@vger.kernel.org" , "sashal@kernel.org" , Nikolay Aleksandrov , Chen Zhen , Jussi Maki , Daniel Borkmann , Paolo Abeni , Malin Jonsson , =?utf-8?B?RGF2aWQgTnlzdHLDtm0=?= , =?utf-8?B?Um9sYW5kIEtvdsOhY3M=?= , "ysk@kzalloc.com" , "42.4.sejin@gmail.com" <42.4.sejin@gmail.com>, "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 6.12.y] bonding: fix use-after-free due to enslave fail after slave array update Thread-Topic: [PATCH 6.12.y] bonding: fix use-after-free due to enslave fail after slave array update Thread-Index: AQHc1bj77gFL/C3sNkacAb6ql69PQbX90UuAgAGZQwA= Date: Tue, 5 May 2026 12:30:48 +0000 Message-ID: <59f615b6-eea4-4186-8e63-d60a57ed7822@est.tech> References: <20260426201205.465809-1-yunseong.kim@est.tech> <2026050435-glider-undrafted-71d7@gregkh> In-Reply-To: <2026050435-glider-undrafted-71d7@gregkh> Accept-Language: ko-KR, en-US Content-Language: ko-KR X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=est.tech; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: AS8P189MB1752:EE_|GV1P189MB2219:EE_ x-ms-office365-filtering-correlation-id: f0eb3dec-9156-4346-9744-08deaaa2232c x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014|22082099003|56012099003|18002099003|38070700021; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:ko;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS8P189MB1752.EURP189.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7416014)(22082099003)(56012099003)(18002099003)(38070700021);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?eVlFbzRJaE91K1dmeW5UeCtlNEdHUUV3N3h5V1VtKzZ4S29sNzJmUFd2d3JJ?= =?utf-8?B?OGVQTVBmdUo3a284RjFxUlp3cENrQTNpQmp2Y1dxeDJva09lYVdXVmkrR0Zo?= =?utf-8?B?aGpsMnhjMkhTN1YrSDQyK1hhblVuMXp4Q3BKTkY3Z2lPb0lTMTIyWDJRVVlW?= =?utf-8?B?RWNCY2YzR1VzTXVHR2IwT3ROSWdNMGt2V0t3L1JGcjQvaXRFQVlaTFhDMG85?= =?utf-8?B?aThVZk9oOTBYU1pvS29UMU1iVHpoZFFLc2M3dnJXb3lTMnNPUDNvcDdnY0NJ?= =?utf-8?B?Qkd4NXZqUmEzWUdlOWo2WFRSVFlnTlRVSHJxb3pBT0pPMzdyNDNWQmltWFF1?= =?utf-8?B?cVc1TzN4d2RjVHdXT0liZkF5UDFaWlhHKzBnV0licWhTZ2U0eFk2WFYwU1JG?= =?utf-8?B?UGNqaFlBME5pdHlyTXI1OE5hcVh2QUQ2QlNBdUJYbHlNQVRyM2UvVnJmLzNa?= =?utf-8?B?S1NPelNBZldoTXY1V0pOY1VDMHBxbDJKeUtPUFI3L2JTa0p3TWc5bURXMGx3?= =?utf-8?B?cnZScmxPUzh1Mm00NnVyM252OEFKTHJZZWF2OHJoMkJrM3I3UWtHZmpuZ0Nm?= =?utf-8?B?OSthTGRndHlpTkJBUW5vSGwxS0RzR2N5cVYxVEkrR1Z4anBiNmNUTXBNNnJy?= =?utf-8?B?TG8xR3EwL0R5Ylh6Ulg3TzY0Nng3VGJOTVdIMU14Nk5OS3F3UUkyd2lFUjFX?= =?utf-8?B?RGFMZ3RNS2VqODlsVDFGMHRhYWU1WFEwRzBrMWt1QjFRYnNwcFZpN2d5bGJx?= =?utf-8?B?dlBYSkI4c3F2MVJ2VlJIait5aStMaytJd25ZZWR6MS8vYnBmQmNCZDVrb3Vo?= =?utf-8?B?WGg5QTFrQ1ZSVkJDZkxXc3FlNFQ0OHNZMEQ1Z2cyMXBTSjBVNTR0V0pBWE5H?= =?utf-8?B?WjFqTThKOUx5RjhFaEpQTDVvN0FpZTlPYm5DZk1XWWJYdGYzV2VybXhGV1h6?= =?utf-8?B?NjM2UysrWE1zNWdvSHk4U0JiK0xWL0VGbEZSd0FlRHFhSWxhZm1KUXFIbENo?= =?utf-8?B?ZW9ZNWp0T0dZVDVjK0R3Z1BmalBWQkFhQUY1ZGlhbEdNa0lacE9jSVBhOTBG?= =?utf-8?B?Qk5WTWZTNDRSazlYWEw4SUFJV2tTOUZYcVNMNFVCRVIyNTlQSm1KbGVLOXpq?= =?utf-8?B?eHhES1VkQjRHK1lKbURMNFNrQ01Zall5OXR2dFVrWVJTVDI5MVNHZVl1c1RD?= =?utf-8?B?L04xRjZ5ZkxMV2ZuM3VZUnVwOTRrRDRYUjZSMm92SGdGNDFNazljNHFTQTZZ?= =?utf-8?B?Y3RORFRSWUtXZXJwSnpKS0xoQ0tMRWk2MG5XN2hFWkZCcFNSZlBHWlA0MDYx?= =?utf-8?B?YmN3Q05NMmJGd3MwcnFJWGRpNDNNU0NGRmowV3FSQ0RXUlJVY3J6c3lBajVH?= =?utf-8?B?YWtiNXNlNGR1eWJleU02MkZOL3d0OU5Rd1RYRHdlMnBWV1RkT2IwTWYvVUo4?= =?utf-8?B?bzRWRGdKbDR5OFNlWi9NYXdXSHh6c2NCT3gvSUlZUVpqZVFWNElheFJhcXZI?= =?utf-8?B?aGhCRE1FODdDUzdQQjloWHZFZW95U1FTSHNUNnB5dFBUZjZWcDJYd0xJWk5Y?= =?utf-8?B?T1g5Q21YVTVnTUwrOHFWMDlpYjg4SHh4cVVKalJxcjYvWUxWYmoydm1Yc05j?= =?utf-8?B?RVo3WUo1YVBFKzFqdjZUSmU4VGkwZUxZRWRsZmdyaFhFazhyVjVmOW54T1ZC?= =?utf-8?B?NEcxRzdtQi8zb0k4S1pYR0FPamFGbklNbHl2VW1RaVhPU3pIdDEvNmlOSXlh?= =?utf-8?B?UG5NaDg2M3k3dHZoSkFlaTIvbTluRUpkSDNPWGJPQUFTNkhxNHgrTjYreXV4?= =?utf-8?B?UTVSYVhOWXZCamwwczh3SjhwNjk5cnJ1c3dobXpPWHZWZDMyaWUyNFdDRDN5?= =?utf-8?B?cUtWY1V6b1dOS1JwMXZ4ckJaaTdCclY1c0Z1MTZxM2E3RUtvYjdjUVVGR2NZ?= =?utf-8?B?K2FZOXVLc21LaFJoVjg4cnUycnRxZlJJRWhkV2tzb1hPM0ppc25mOGNsR3hS?= =?utf-8?B?SHI0dU5wZFEwa1oyQ0hua0JoemsyVTRhMmxIQy9vVHVCNUpqbWVya2hVM21C?= =?utf-8?B?NXBqZm50a1UyUEliemF6U2ZXZkpyL21HZjVQRHBQVDgyQVltb04xdXQycmRO?= =?utf-8?B?enRVL2dseGtIeFo4ckppYy9PWjBEb2RvNlY4RHhvaWFISU96K2ptY2hYUzNt?= =?utf-8?B?MUNvWDE3bTFmWW1ibEVJUnlEc2hLd3BFQ0piMitvWGlSZ3doZVZGQzd4cWJG?= =?utf-8?B?ZUJWcm4wdDFhYXpRcFg4SFY3YzU4ZTN6a245WnlJSmlNVytIK2VTS2tacmJK?= =?utf-8?Q?OEv1L19t7sRFL0tUEU?= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: est.tech X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AS8P189MB1752.EURP189.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: f0eb3dec-9156-4346-9744-08deaaa2232c X-MS-Exchange-CrossTenant-originalarrivaltime: 05 May 2026 12:30:48.4377 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d2585e63-66b9-44b6-a76e-4f4b217d97fd X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 5wTaCN2tO7tPGcylCNQoN2JMEnSm7ZJ5XSgyRXgNUHlfJ5PZ1ZL8Cc9cIM7BavWdg97HMMQcfzJ/rKLwJp8ryg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1P189MB2219 SGkgR3JlZywNCg0KT24gNS80LzI2IDE0OjA1LCBHcmVnIEtIIHdyb3RlOg0KPiBPbiBTdW4sIEFw ciAyNiwgMjAyNiBhdCAxMDoxMjowNVBNICswMjAwLCBZdW5zZW9uZyBLaW0gd3JvdGU6DQo+PiBG cm9tOiBHcmVnIEtyb2FoLUhhcnRtYW4gPGdyZWdraEBsaW51eGZvdW5kYXRpb24ub3JnPg0KPiAN Cj4gSSBkaWQgTk9UIHdyaXRlIHRoaXMgY29tbWl0Lg0KPiANCj4+IFsgVXBzdHJlYW0gY29tbWl0 IGU5YWNkYTUgXQ0KPiANCj4gUGxlYXNlIHVzZSB0aGUgZnVsbCBjb21taXQgaWQuICBBbmQgZ2V0 IHRoZSBhdXRob3JzaGlwIHJpZ2h0IDopDQo+IA0KPiB0aGFua3MsDQo+IA0KPiBncmVnIGstaA0K DQoNClRoYW5rIHlvdSBmb3IgdGhlIGNvZGUgcmV2aWV3LiBJ4oCZbGwgZml4IGl0IGFuZCBzZW5k IGEgdjIuDQoNCkFkZGl0aW9uYWxseSwgbGFzdCB3ZWVrIEkgc3VibWl0dGVkIGEgZmV3IHBhdGNo ZXMgdG8gdGhlIGNoZWNrcGF0Y2gucGwNCnNjcmlwdOKAlGN1cnJlbnRseSwgYWxsIGJhY2twb3J0 IHRhZ3MoZm9sbG93aW5nIHN0YWJsZSBrZXJuZWwgcnVsZXMNCk9wdGlvbiAzKSB1c2luZyA8c2hh MSA0MCBsZW5ndGg+IHBhdHRlcm4gYXJlIHRyaWdnZXJpbmcgZmFsc2UgcG9zaXRpdmVzOg0KDQog IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xrbWwvMjAyNjA1MDUxMTIzMjAuMzYyNzE1LTIteXVu c2Vvbmcua2ltQGVzdC50ZWNoLw0KDQpCZXN0IHJlZ2FyZHMsDQpZdW5zZW9uZw0K