From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69022C12002 for ; Wed, 21 Jul 2021 08:00:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4468861019 for ; Wed, 21 Jul 2021 08:00:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234994AbhGUHTw (ORCPT ); Wed, 21 Jul 2021 03:19:52 -0400 Received: from esa3.mentor.iphmx.com ([68.232.137.180]:10437 "EHLO esa3.mentor.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234560AbhGUHT0 (ORCPT ); Wed, 21 Jul 2021 03:19:26 -0400 X-Greylist: delayed 458 seconds by postgrey-1.27 at vger.kernel.org; Wed, 21 Jul 2021 03:19:26 EDT IronPort-SDR: 3u7T6wbw4yXrPUI2AFDbjJtlhycYDZ0BQJTJS+v1D2GhlA7rHzTOaFq/M/QnPGiAoFYi83HQ45 2GAN/Hk0FGMdB6ASzgYJxx+9xkIqO7gAguAGck+A3mBH4SL3G8saK3Bo6NL2k5RKOvhWN/wyPo WAy1/NTq02+DNxW0bPbh7niKUBc2sUZ3nyg/FA1pgsGISqcs96Ws4rMXIei/ns3MXlvZuh9+zV f1CMa6lWWxpk3nun/x1kV/VC6aDeLYhd/aWDg7rMSkwICKvpbdtg9zABc+upkeZ+49yijYi7Tr MVkw5t4DSE++sYJLaMS67exO X-IronPort-AV: E=Sophos;i="5.84,257,1620720000"; d="scan'208";a="63756835" Received: from orw-gwy-02-in.mentorg.com ([192.94.38.167]) by esa3.mentor.iphmx.com with ESMTP; 20 Jul 2021 23:52:17 -0800 IronPort-SDR: njA9xbxgoA5PBzbqDVCbjIDQjsyWKoW4sAcbR50gEUUb0MeYi9os5NnsY2of7ILW+ypb9r/+B1 JLaF07mbO9PcPnZ1/bQdOR9T5xW7TbpadQI7efFj+A6mjV1wIKXnZzYskg3BzeV5VrNETB4/rK zHuKvIZIYBwX2gYbpXQ/Yc09DZsvlt0un7qwkYi42vo2Ygqvkjrv8Bkl1s1Jak7MkrRtZO0T+L 6QgjaiC/hR7hAcLVIqBJni7/hua2rSZwKxS17vptBN3V9rlUv2QW+yy7Vp7EzWcvf6Z8C+khys kKA= From: "Schmid, Carsten" To: Greg KH CC: Mathias Nyman , USB list Subject: RE: Possible race in 4.14 xhci stack Thread-Topic: Possible race in 4.14 xhci stack Thread-Index: Add9dgXtLD9V5HWrQGOujH0Vt+GASgAA3LAAACKjYhA= Date: Wed, 21 Jul 2021 07:51:58 +0000 Message-ID: <2c52cd176b134e6ab7806aeda8fcca1d@SVR-IES-MBX-03.mgc.mentorg.com> References: <513f81d8c17b4bcb97a60fd1d5b0738f@SVR-IES-MBX-03.mgc.mentorg.com> In-Reply-To: Accept-Language: de-DE, en-IE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [137.202.0.90] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org SGkgR3JlZywNCg0KPj4gSGkgTWF0aGlhcywNCj4+DQo+PiBpIGdvdCBhIE5VTEwgcG9pbnRlciBk ZXJlZiBpbiB0aGUgdXNiZnMgYW5kIGFuYWx5emVkIGl0Lg0KPj4gVGhlIGNvbm5lY3RlZCBkZXZp Y2Ugc2VlbWVkIHRvIGhhdmUgdHJvdWJsZSBvbiBVU0IgdHJhbnNtaXNzaW9ucy4NCj4+IEhvd2V2 ZXIsIEkgaGF2ZSB0aGUgaW1wcmVzc2lvbiB0aGF0IHRoZXJlIGlzIGEgcmFjZSBiZXR3ZWVuIGZp bmlzaGluZyBVUkIgaGFuZGxpbmcgYW5kIGRpc2Nvbm5lY3Rpb24gb2YgZGV2aWNlcy4NCj4+IElu IGRldGFpbDoNCj4+IFsgNDk3OS4wMjk2NjZdIHhoY2lfaGNkIDAwMDA6MDA6MTUuMDogVVNCIHRy YW5zZmVyIGVycm9yLiBNYXliZSB0aGUgVVNCIGNhYmxlIGlzIGJhZD8NCj4NCj4gRGlkIHlvdXIg Y2FibGUgZGllPw0KPg0KPiBBbmQgNC4xNCBpcyBxdWl0ZSBvbGQsIHdoYXQgYWJvdXQgNS4xMz8N Cj4NCj4gdGhhbmtzLA0KPg0KPiBncmVnIGstaA0KDQpUaGF0IHdhcyByZXBvcnRlZCBmcm9tIGEg ZGV2aWNlIGluIHRoZSBmaWVsZC4NClllcywgYSBkZWZlY3RpdmUgY2FibGUgaXMgYmFkLCBidXQg c2hvdWxkbid0IHRoZSBrZXJuZWwncyBoZWFsdGggYXZvaWQgYSBOVUxMIHBvaW50ZXIgZGVyZWY/ DQoNCjQuMTQgaXMgdXNlZCBkdWUgdG8gYmVpbmcgTFRTIGFuZCB0aGUgZGV2aWNlIGZpcm13YXJl IGhhcyBiZWVuIHN0YWJpbGl6ZWQgb24gdGhhdC4NCldlIGZyZXF1ZW50bHkgdXBkYXRlIG9uIHRo ZSA0LjE0IGFuZCBtb25pdG9yIHBhdGNoZXMsIGJ1dCB0aGVyZSdzIG5vdGhpbmcgcmVnYXJkaW5n DQphbiB4aGNpIHJhY2UgdXAgdG8gbm93IGluIDQuMTQgc2VlbiwgSSBjaGVja2VkIHRoYXQuDQoN Ck5vdCBzdXJlIGlmIHRoaXMgd291bGQgaGFwcGVuIG9uIGEgbmV3ZXIga2VybmVsIGFsc28sIGJ1 dCB3ZSBjYW4ndCB0ZXN0IHRoYXQgb24gdGhlIGRldmljZSBpbiB0aGUgZmllbGQuDQpJdCB3YXMg c2VlbiBvbmNlIHNvIGZhciwgYnV0IHRoZSBpbmRpY2F0aW9uIG9mIGEgcmFjZSBpcyByZWFsbHkg aGlnaCBoZXJlLg0KDQpJZiBub2JvZHkgb2YgdGhlIFVTQiBtYWludGFpbmVycyBoYXMgYW4gaWRl YSwgSSdsbCBmaXggdGhhdCB3aXRoIG15IHByb3Bvc2FsLg0KDQpCZXN0IHJlZ2FyZHMNCkNhcnN0 ZW4NCi0tLS0tLS0tLS0tLS0tLS0tDQpTaWVtZW5zIEVsZWN0cm9uaWMgRGVzaWduIEF1dG9tYXRp b24gR21iSDsgQW5zY2hyaWZ0OiBBcm51bGZzdHJhw59lIDIwMSwgODA2MzQgTcO8bmNoZW47IEdl c2VsbHNjaGFmdCBtaXQgYmVzY2hyw6Rua3RlciBIYWZ0dW5nOyBHZXNjaMOkZnRzZsO8aHJlcjog VGhvbWFzIEhldXJ1bmcsIEZyYW5rIFRow7xyYXVmOyBTaXR6IGRlciBHZXNlbGxzY2hhZnQ6IE3D vG5jaGVuOyBSZWdpc3RlcmdlcmljaHQgTcO8bmNoZW4sIEhSQiAxMDY5NTUNCg==