From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from iad-out-006.esa.us-east-1.outbound.mail-perimeter.amazon.com (iad-out-006.esa.us-east-1.outbound.mail-perimeter.amazon.com [3.216.221.67]) (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 5B540225413; Wed, 27 May 2026 00:25:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=3.216.221.67 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779841536; cv=fail; b=tdYDoH0H7xzAvMladNY9192civHp9yWAWPCIFrqUD+95ATkTYdubOpPLa2FbMaBwQoMLaMMuYp5FGVsFv+Ec+kbEtL6NR+CXa/SycytRZlxfXICHxkEqm4Pqll42QEWrha+DV4+aIe+k+23/P52VW8rIBi4T8bbnIAYRFHghG40= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779841536; c=relaxed/simple; bh=YoSQfZChB9Aij/5AkmBDxEds29y4JKbMZaIcMVjwvvQ=; h=Subject:From:To:CC:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=jpH/j/091gO/xwShAsHuBYeUHxubZJdAonIjOP4CUpL79Xdly0fwSsLtwwzwOU4SE8wxwkr1CsiE115e/DI/oDoBhTG0E6U4s4VJdpo1MtTNSXfSaFNfz9CKCZA+c6E7LIf8rTAb7pReQ6U+/f8yggRydSeHuR5aRUT9IvFiQf4= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.com; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=Ll1INjnc; arc=fail smtp.client-ip=3.216.221.67 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="Ll1INjnc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1779841534; x=1811377534; h=from:to:cc:date:message-id:references:in-reply-to: content-id:content-transfer-encoding:mime-version:subject; bh=YoSQfZChB9Aij/5AkmBDxEds29y4JKbMZaIcMVjwvvQ=; b=Ll1INjncM5Ncna+jFEm/Z5ajiSI8rBVyGlQ0UJQTFBruaxMhaa9sP+Rm +3dZou4d4rQfQfbvX+eE/0rq22lZoaxJFKbow1cOSVCtSaIjbR4azZg7X JJP0YDSMUaUNYQ6wYAunMvqE6Xl60FTGkQRWm7cm+cFGWH7ObdyJDzwgr KkHi80YlD5XXnhKBoh1YRCWRJd2pY1V96qXvkBoq7c7BxZGE/r5SpB89p zZxoU5wDykXq8IBdjEEjwyZC7VtRkDVmxHvw4agaC8rUfCOm7P2arahPE DMYmiSnC0styTe36PZTUIOxkRpsXdVW98QEeE+cGVhm4UEhu9wVbzMLu6 Q==; X-CSE-ConnectionGUID: MJR/vd6mTS2hQKA3UQpTPw== X-CSE-MsgGUID: h1AgKDr0StSfHKy9JHlzag== X-IronPort-AV: E=Sophos;i="6.24,170,1774310400"; d="scan'208";a="19589548" Subject: Re: [BUG] net: tcp: SO_LINGER with l_linger=0 leaks memory when closing sockets with pending send data Thread-Topic: [BUG] net: tcp: SO_LINGER with l_linger=0 leaks memory when closing sockets with pending send data Received: from ip-10-4-22-235.ec2.internal (HELO smtpout.naws.us-east-1.prod.farcaster.email.amazon.dev) ([10.4.22.235]) by internal-iad-out-006.esa.us-east-1.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2026 00:25:31 +0000 Received: from EX19MTAUEA001.ant.amazon.com [72.21.196.67:5555] by smtpin.naws.us-east-1.prod.farcaster.email.amazon.dev [10.0.23.96:2525] with esmtp (Farcaster) id 717729ed-78af-44c7-b27a-cbbf2fff41ee; Wed, 27 May 2026 00:25:31 +0000 (UTC) X-Farcaster-Flow-ID: 717729ed-78af-44c7-b27a-cbbf2fff41ee Received: from EX19EXOUEB002.ant.amazon.com (10.252.135.74) by EX19MTAUEA001.ant.amazon.com (10.252.134.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Wed, 27 May 2026 00:25:30 +0000 Received: from EX19EXOUEC002.ant.amazon.com (10.252.135.179) by EX19EXOUEB002.ant.amazon.com (10.252.135.74) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Wed, 27 May 2026 00:25:30 +0000 Received: from DM2PR0701CU001.outbound.protection.outlook.com (10.252.134.239) by EX19EXOUEC002.ant.amazon.com (10.252.135.179) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37 via Frontend Transport; Wed, 27 May 2026 00:25:30 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=BHhoa+i7qQFJ3KNG+OhM9SVCqK82ShpMxayvqNWLhxhvMUm+wRQjZQkElF2xHL90EYZUar5HlKYO8hHCTvu39qhmftdZuVk4qu/yJT/OudgX3z8lPVvTmex1hjVU5RfNDT6LJnAngtnCw4HXCktMQv3mtkDyXNWg8pSSTf2dxNmjyj8sKWZ6VL0LOMe05ugk3A91ShYDdSBkLOJf6MmiPgXQRZ+rEKHMbuUAZfoWNNSIKO1fZ6e0kHTRK2T+CxHrwZEEs/xPcqFs7kPB27u8VlBlrn6iO3KiwJL0hLikvLzsFzXeWnp2HS5AOIs/cwfMp73quM4iWn/UbGF4jTJPmQ== 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=YoSQfZChB9Aij/5AkmBDxEds29y4JKbMZaIcMVjwvvQ=; b=Ovnv4HUWmeEw+ExKyaZUMsWanGZAjJh017gTGd2tbML9JsAAePD7+jpjC/oXry1cRYTDODs969yHZAjAaVwezys/aXwcXM9etk0e53KuBVArD46NC5k6NI9iMeBbr/wOId2dCtSdtCXKZTbhy72DiunbqWSwy2jw1A0DPUE20ccrSPOb8/R9oBEXyz5G35dHKxlh1UzeKfJyjMld94fEVf/FFhZ6Smf7O5edVu8lmca9gmTVRvcWAZ4O7ldDlhwQ/vATmjSZihRtHj3U1azASQW+2D+l8c7AmNOtVkIV/P2IjKQewdza2kCK/UU2lxDhcU7A/8kjyrwK9zpkL4M2mA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amazon.com; dmarc=pass action=none header.from=amazon.com; dkim=pass header.d=amazon.com; arc=none Received: from SA1PR18MB4728.namprd18.prod.outlook.com (2603:10b6:806:1db::15) by MW3PR18MB3657.namprd18.prod.outlook.com (2603:10b6:303:52::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9913.11; Wed, 27 May 2026 00:25:28 +0000 Received: from SA1PR18MB4728.namprd18.prod.outlook.com ([fe80::3fa5:9d2e:e6a6:67d5]) by SA1PR18MB4728.namprd18.prod.outlook.com ([fe80::3fa5:9d2e:e6a6:67d5%6]) with mapi id 15.21.0071.011; Wed, 27 May 2026 00:25:28 +0000 From: "Ahmed, Aaron" To: Kuniyuki Iwashima CC: "stable@vger.kernel.org" , "netdev@vger.kernel.org" , "ncardwell@google.com" , "edumazet@google.com" , aws-binance-tam Thread-Index: AQHczskVAbHrfsqWm0ylDOIzc6Zy8LXj+36AgA8bggCAAJPFgIAtIPKA Date: Wed, 27 May 2026 00:25:28 +0000 Message-ID: <9E49374E-D1D6-4D41-BFE0-03EE734DF9F2@amazon.com> References: <48BADABE-4DFB-4DAD-8248-E94D8F5238D2@amazon.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_Enabled=true;MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_SetDate=2026-05-27T00:22:04Z;MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_ContentBits=0;MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_Enabled=true;MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_Tag=50, 3, 0, 1;MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_Name=Confidential;MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_ActionId=10d8ff61-d9ea-4589-9a9e-d40d310336bd;MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_SiteId=5280104a-472d-4538-9ccf-1e1d0efe8b1b;MSIP_Label_19e68092-05df-4271-8e3e-b2a4c82ba797_Method=Standard; user-agent: Microsoft-MacOutlook/16.108.26042616 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amazon.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SA1PR18MB4728:EE_|MW3PR18MB3657:EE_ x-ms-office365-filtering-correlation-id: 0240b192-82da-4d7c-b14b-08debb867448 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|376014|1800799024|366016|38070700021|4143699003|11063799006|22082099003|18002099003|56012099006; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA1PR18MB4728.namprd18.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(1800799024)(366016)(38070700021)(4143699003)(11063799006)(22082099003)(18002099003)(56012099006);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?eGlzMXNjMDZST1RkNTRhMmRFNFBYeEJpRkFCSFk3bHUrR2YzQktXRUNnNlZL?= =?utf-8?B?OEU5cmY4QWdac1M1OXZmRExsMnd1MVh5QlJXSENrMWxQRmdGMEtNM2g2T0Zq?= =?utf-8?B?STZoNmwxMWhKVy8rVGRBa1FQaHdWeTh2K0dYc2djQ2FLNnFFRWpjMm1OWjM1?= =?utf-8?B?T0Q0Z1pBbXRkMHRacHpxNk52clZwTWU0aGtyVEQ2MkUwMFFiRkxxYkIyc1l3?= =?utf-8?B?K3lkQk1UOEJMdWpxdTlPejBWNWhLZ29BUHBOV21aS2lONDI0bllsTXZ6dXQ0?= =?utf-8?B?ekViVmRQRnRJcDZXWktjVFRSekZiT2lGbStYZVRGaldKTGRBM1RqaGxxRER5?= =?utf-8?B?a2hkMTk5em4wY0c4SXQ2MUJjUHRLU3VGcGJTMlJxeTFxeis3b2I1S2hTWjhY?= =?utf-8?B?ZGV5NkJXWUtST0NudFQ0NmhPR3VtakZWZU9BZlRZL2dZaHNiSjIzaDM4MC9I?= =?utf-8?B?d2xGa3I0VWpvWENCcFNTTFN3bGlvZ0h2QTAyYUt4VzVQNEdMUG45d21qNVJi?= =?utf-8?B?SzVJNkJRMStLQ01uU0Jhb1ZMNUJtazh6VEMxcURhWVoyNG90eEFheXJqbXBU?= =?utf-8?B?UEJnZ1cwdkZxcS9sZDlSSm04QzRaN2t5VkhnN09EZ0lpdnA2RjBUaUgzRi84?= =?utf-8?B?bGpHVkpQSWRLRHYwU1l6UmRZdjJ2QVUzMGpSSUhSSXJTc09FQVZRWGFGTDBy?= =?utf-8?B?VU1PR2RmS2puOW9xbk1TWXFKVlhPK09NQ1JVMGUyL0ZFSEJMQTBIWUVlVXdU?= =?utf-8?B?VGlBVHE2L2VZdkVQcHhneU00Sy8vSENvMDlhNUlrVCtjOEsyclhncmFhRVV3?= =?utf-8?B?SGYyVWZxRnBrZE5teVc2Qm9xQWgxSCtjd2U5QzVYY0Z3ajEydEtKeEJpVFAx?= =?utf-8?B?KzljbHZ5cjBHdVNSMVlwY21DUDJDTXpxQkRFa29EZ0l4d0F5WVVrM0x6S1k3?= =?utf-8?B?bllsdVBHcXo2ZTF6aVZQeXA0UENua0FuTjVWVmhNbDBkUUxFSC9laE9sQnFs?= =?utf-8?B?ZHp6NUlQRkkwV1M5OHdCbDk1c0NSLzlvR0hDaFpTaXpmKzQwVDFXRFpFYlBh?= =?utf-8?B?OU9STG5NYVFRWk90ZXBKbitDSGtjTmE2TjdDeW9xb2xrQXBUVkg3QmVvTnMr?= =?utf-8?B?QmhnaExnelNFTk5CNU0zUU1CRnhTcEhQKzJkY3ZvL2daK215ajFqeUVPdHp2?= =?utf-8?B?M0ZIL2VXdnhINlh0RmRRVFpTZUxPa1BhOWV5SFRlY1hJL1V5bDFPeXFVYjBP?= =?utf-8?B?MDVnL3JxUXcwN0oyekdIMXNsUnNzbktBSWlJS3pQQk0xNldOOXhaZUlZZWww?= =?utf-8?B?SlNvN3FoSmdwRytnSFFDeFNxR0I1MDgrRnppRzNId1VPSlpGVnVuZlBnMUo3?= =?utf-8?B?N2tCL3d1cHRVaDMzY2hRZ3pIZzZnaklTQ0JzUGY0OHhqeXFaTmFNTm4zSXI1?= =?utf-8?B?Z01ZM0Y4cHRNNzZhS2dCcXFncXdNWG5xQUpkcUFWRyt5WSs4RzJrU2hENjgw?= =?utf-8?B?emJubHh1bWR0TVF6Q2RnYmpOUGJaR2RXeVFlR2doaXZyY1c0cTNaOHAyK2JZ?= =?utf-8?B?VFhVVnF1UGtYYzl3MDNmYVk4TGl1Rk84cGIzYWVRNjRUVWNCa2pFejVwNlhO?= =?utf-8?B?MW9UTFROb0hlcS9IM0p0TVJsM1JKMXQ1aFZXaEdmeEV0VkVDUlJCOGU4Z050?= =?utf-8?B?eVRRaHcrNXZETU1JKzBXUXdCeEtVSzVLMTBidWZNNE54WjY3OXJ1RUw4amRn?= =?utf-8?B?ZFJtMjBObzgwd0lxU0N0TmdjMEtDOGtSeWpGbldvY3FWVDBGTUdncng5VXZG?= =?utf-8?B?bVo4L21IL3FBOVY3MjF0WDlybFpiVFJ4aFdIN25HRmtSdHZhUDFvKzR1Y2I5?= =?utf-8?B?amt6bDE1NkV1dHlTajUxZmltZjBDUzlWYjJqVmRKeXBhcHVCUDhVckFqRnNO?= =?utf-8?B?MnVHT2ZKdzFOdDlDVWE5NVJndEpJYzN5S2hoM0ZTckZ2OEJ0b2w2OWIzdXdC?= =?utf-8?B?U3l0YzdSZldDVi9JcVVxMmdNaHo1azB2UDNjYmRCUi9LczhXeXlNaHloRUpl?= =?utf-8?B?bDFHeTB0ZmtWZHpzS1BId2w4TXlnU1I1M3NQaEZVMi9XL2p4VThXd1NZV3VG?= =?utf-8?B?bnk1QkFUSkZYMHJoRUFQaTM1VTFwSjZERzRxQXVCS2NiSFlXYU5aTXFJVnJJ?= =?utf-8?B?dUlqN0hXM1NnaHhrQzZyZHVqUVluRXBFeDk5cHhIbFVYNFdUK1lQbldiZTR0?= =?utf-8?B?Mk9aWUVxc3MvelVobWljYStlUEJFNkZGa0hueUhKRFpyalFqUWNqV0lqUEox?= =?utf-8?B?Y205UWdLU21RREpsQ2h1YjJPVU9reHAxcFZ6eWVneC9USzhBUGhsdz09?= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Exchange-RoutingPolicyChecked: DXopWwc8VX47/hSmmo/kwSKexmBZ8hUU2IQWSd9ObbsOEWgBTF8Mr1MnIRYa8BNVsygc+0XE+EleDBWmojMRlMK2iqC7fdcmDHhS/UOIu6B7JNBfGyls0eG9rmIJ/Zz2WmBdh2251+HOItAa/nRjxfwAbEHiOdDPPiKxmiRLvlnq8f4DeSQZXDSAx81q8eakhBYa5ZaVmdVe3Rxag/MCnbRKwQqFWo0zNHhe0W6jrQJR2T8ykYMX30TmLwM+AvUchIES5y906hsMKx3eEtAOpIEOva6B/WwHZM8QyZsnIHeZ+CHNUqEKyu96m9fqQY/KQArgdZpcdb3ur87LFjJlOA== X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SA1PR18MB4728.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0240b192-82da-4d7c-b14b-08debb867448 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 May 2026 00:25:28.4056 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5280104a-472d-4538-9ccf-1e1d0efe8b1b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: CtmAcKI1BGF9J0d/JR+WdxOM4xsE3JyxksZ/udtXT5HQOdsbhs+KgGfYe6PgF7aoukSU8AidtwiXAr3qGUdovA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR18MB3657 X-OriginatorOrg: amazon.com ICBIaSBLdW5peXVraSwNCiAgDQogIEp1c3QgZm9sbG93aW5nIHVwLCB3ZXJlIHlvdSBhYmxlIHRv IHRyeSB0aGUgcmVwcm9kdWNlciBJIGxpbmtlZD8NCiAgSGFwcHkgdG8gaGVscCBpZiB0aGVyZSdz IGFueXRoaW5nIGVsc2UgbmVlZGVkIG9uIG15IGVuZC4NCiAgDQogIFRoYW5rcywNCiAgQWFyb24N Cg0K