Received: by 2002:a05:6a10:a852:0:0:0:0 with SMTP id d18csp3085638pxy; Mon, 3 May 2021 14:57:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzTQfWQc+BI6Rc6ZSI12QUzv41NnNBq1wy+lXwaennfE8QwGo/855NQzr/3U6+3paQP0FFM X-Received: by 2002:a17:902:e04f:b029:eb:66b0:6d08 with SMTP id x15-20020a170902e04fb02900eb66b06d08mr22900043plx.50.1620079022949; Mon, 03 May 2021 14:57:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620079022; cv=none; d=google.com; s=arc-20160816; b=bcidvVUPp/WYDC8OBD/rAQAuHeaRIw+SYufWN98U6ZGyrD97H0S3NhcRXL+0LVuyor 3SRWfMK3IGjOK5oIrRb+Muk4zmowvojaE4NbJW+vVvO1Cm5nEs+pPUfLO1SGHtS81pMM gukJmTU2371XMEM0sUTFkZHnL9oQHa0vuC5KALPk6tDyIYZNt6edsaNVdVWgrXDx/IAZ KkUvBb1O+G2hk7+VUdlpksSOqhHWjbhpdbaUPTpyqWaNGRAlVS1cqNXCEPI7PwtEQexu KchjG4C8Xtt0Wj7hKsyvT3bGMlulCUdJJceiuO2/8cfxuHOTFoZIyvZUghylmv+Fw5j1 +B8w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :hvs-prefix:hvs-classificationid:content-language:accept-language :message-id:date:thread-index:thread-topic:subject:cc:to:from; bh=/ygGR7x7tWbdIZVUMTpyCm7uHIKfdJX594XrPEhI0ek=; b=sVNQ9NqYj2sPc80XGayZqHEmNAPRYGaXoNOVZ8HBRlU5hce2+JM66W5uAgjTeSp4r8 V4jqdbHPzvyy9X/8dmGDphyli1sWNWDpfy0ZDEoP5kiI4P30W1YGQO5oZAqZ572I3gk0 I5o0oQggz2aJiL7s1DPr4ugJyRfwPQI+EygeLIpsbA/E6M4C+mgqKd99RLr6Jmo+DfQt KjXWGR9d3vyhVTvJ9Ztpu7rfE39sJkvypp3zblWjXp0bSkghAWqPh4+Zcej8KBzzjMZt +0c1dPHCNq0JhXxc7XUi1uNFWfDLM84LyrfF5uMp8Ik75KprTHdJfkLuzIWewG+gEOYe hpSQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p23si1168046pgk.180.2021.05.03.14.56.50; Mon, 03 May 2021 14:57:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229609AbhECV5K (ORCPT + 99 others); Mon, 3 May 2021 17:57:10 -0400 Received: from mail02.rohde-schwarz.com ([80.246.32.97]:11228 "EHLO mail02.rohde-schwarz.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229497AbhECV5J (ORCPT ); Mon, 3 May 2021 17:57:09 -0400 Received: from amu316.rsint.net (10.0.26.65) by mail-emea.rohde-schwarz.com (172.21.64.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.858.5; Mon, 3 May 2021 23:56:13 +0200 Received: from GMU419.rsint.net ([10.0.230.184]) by amu316.rsint.net (Totemo SMTP Server) with SMTP ID 303; Mon, 3 May 2021 23:56:13 +0200 (CEST) Received: from GMU003.rsint.net (10.0.2.61) by GMU419.rsint.net (10.0.230.184) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2242.4; Mon, 3 May 2021 23:56:12 +0200 Received: from GMU006.rsint.net (10.0.2.28) by GMU003.rsint.net (10.0.2.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2242.4; Mon, 3 May 2021 23:56:06 +0200 Received: from GMU006.rsint.net ([fe80::81e7:6ea1:2437:698b]) by GMU006.rsint.net ([fe80::81e7:6ea1:2437:698b%12]) with mapi id 15.01.2242.008; Mon, 3 May 2021 23:56:05 +0200 From: Guido Kiener To: Dmitry Vyukov , syzbot , Greg Kroah-Hartman , "dpenkler@gmail.com" , "lee.jones@linaro.org" , USB list , Alan Stern CC: "bp@alien8.de" , "dwmw@amazon.co.uk" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "luto@kernel.org" , "mingo@redhat.com" , "syzkaller-bugs@googlegroups.com" , "tglx@linutronix.de" , "x86@kernel.org" Subject: RE: Re: [syzbot] INFO: rcu detected stall in tx Thread-Topic: Re: [syzbot] INFO: rcu detected stall in tx /ur/ Thread-Index: AddAZvL8XVXa6H4GRuuKdM/NghtgBQ== Date: Mon, 3 May 2021 21:56:05 +0000 Message-ID: Accept-Language: de-DE, en-US Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-rus_sensitivity: 10 hvs-classificationid: 8485d17c-1b45-47c0-b496-903334a11e28 hvs-prefix: R_S x-originating-ip: [10.0.9.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-IQAV: YES X-GBS-PROC: ijJGnd7ryUNXAjn+Z3XHJ8sewSqpduzPp+Itxx4Mshpzo3Vq62oWRJkC3PJVwUCqXdgMQawdv3fdeY0yXhOtXBkJmpO4nQ55Rahp7qu6hUinosUCSugSy3ZzUTz2Wvnu X-GBS-PROCJOB: CypXhZSot4PYE85CrKrN3at/G3nnChScUpl0D/x64XRJwhi3EBW10JaJb83FgISU Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgYWxsLA0KDQpEYXZlIGFuZCBJIGRpc2N1c3NlZCB0aGUgInNlbGYtZGV0ZWN0ZWQgc3RhbGwg b24gQ1BVIiBjYXVzZWQgYnkgdGhlIHVzYnRtYyBkcml2ZXIuDQoNCldoYXQgaGFwcGVuZWQ/DQpU aGUgY2FsbGJhY2sgaGFuZGxlciB1c2J0bWNfaW50ZXJydXB0KHN0cnVjdCB1cmIgKnVyYikgZm9y IHRoZSBJTlQgcGlwZSByZWNlaXZlcyBhbiBlcnJvbmVvdXMgdXJiIHdpdGggc3RhdHVzIC1FUFJP VE8gKC03MSkuDQpTZWUgaHR0cHM6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5l bC9naXQvdG9ydmFsZHMvbGludXguZ2l0L3RyZWUvZHJpdmVycy91c2IvY2xhc3MvdXNidG1jLmM/ aD12NS4xMiNuMjM0MA0KLUVQUk9UTyBkb2VzIG5vdCBhYm9ydC9zaHV0ZG93biB0aGUgcGlwZSBh bmQgdGhlIHVyYiBpcyByZXN1Ym1pdHRlZCB0byByZWNlaXZlIHRoZSBuZXh0IHBhY2tldC4gSG93 ZXZlciB0aGUgY2FsbGJhY2sgaGFuZGxlciB1c2J0bWNfaW50ZXJydXB0IGlzIGNhbGxlZCBhZ2Fp biB3aXRoIHRoZSBzYW1lIGVycm9uZW91cyBzdGF0dXMgLUVQUk9UTyBhbmQgdGhpcyBzZWVtcyB0 byByZXN1bHQgaW4gYW4gZW5kbGVzcyBsb29wLg0KQWNjb3JkaW5nIHRvIGh0dHBzOi8vZ2l0Lmtl cm5lbC5vcmcvcHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L3RvcnZhbGRzL2xpbnV4LmdpdC90cmVl L0RvY3VtZW50YXRpb24vZHJpdmVyLWFwaS91c2IvZXJyb3ItY29kZXMucnN0P2g9djUuMTIjbjE3 Nw0KdGhlIGVycm9yIC1FUFJPVE8gaW5kaWNhdGVzIGEgaGFyZHdhcmUgcHJvYmxlbSBvciBhIGJh ZCBjYWJsZS4NCg0KTW9zdCB1c2IgZHJpdmVycyBkbyBub3QgcmVhY3QgaW4gYSBzcGVjaWZpYyB3 YXkgb24gdGhpcyBoYXJkd2FyZSBwcm9ibGVtcyBhbmQgcmVzdWJtaXQgdGhlIHVyYi4gV2UgYXNz dW1lIHRoZXNlIGRyaXZlcnMgd2lsbCBydW4gaW50byB0aGUgc2FtZSBlbmRsZXNzIGxvb3AuIFNv bWUgb3RoZXIgZHJpdmVyIHNhbXBsZXMgYXJlOg0KaHR0cHM6Ly9naXQua2VybmVsLm9yZy9wdWIv c2NtL2xpbnV4L2tlcm5lbC9naXQvdG9ydmFsZHMvbGludXguZ2l0L3RyZWUvZHJpdmVycy91c2Iv Y2xhc3MvY2RjLWFjbS5jP2g9djUuMTIjbjM3OQ0KaHR0cHM6Ly9naXQua2VybmVsLm9yZy9wdWIv c2NtL2xpbnV4L2tlcm5lbC9naXQvdG9ydmFsZHMvbGludXguZ2l0L3RyZWUvZHJpdmVycy9oaWQv dXNiaGlkL3VzYm1vdXNlLmM/aD12NS4xMiNuNjUNCg0KUG9zc2libGUgc29sdXRpb25zOg0KSGFy ZHdhcmUgZGVmZWN0cyBvciBiYWQgY2FibGVzIHNlZW1zIHRvIGJlIGEgY29tbW9uIHByb2JsZW0g Zm9yIG1vc3QgdXNiIGRyaXZlcnMgYW5kIEkgYXNzdW1lIHdlIGRvIG5vdCB3YW50IHRvIGZpeCB0 aGlzIHByb2JsZW0gaW4gYWxsIGNsYXNzIHNwZWNpZmljIGRyaXZlcnMsIGJ1dCBpbiBsb3dlciBs ZXZlbCBob3N0IGRyaXZlcnMsIGUuZzoNCjEuIFVzaW5nIGEgY291bnRlciBhbmQgY2xvc2UgdGhl IHBpcGUgYWZ0ZXIgc29tZSBkZXRlY3RlZCBlcnJvcnMNCjIuIERlbGF5IHRoZSByZXN1Ym1pc3Np b24gb2YgdGhlIHVyYiB0byBhdm9pZCBoaWdoIGNwdSB1c2FnZQ0KMy4gRG8gbm90aGluZywgc2lu Y2UgaXQgaXMganVzdCBhIHJhcmUgcHJvYmxlbS4NCg0KV2UndmUgbmV2ZXIgc2VlbiB0aGlzIHBy b2JsZW0gaW4gb3VyIHByb2R1Y3RzIGFuZCB3ZSBkbyBub3QgZGFyZSB0byBjaGFuZ2UgYW55dGhp bmcuDQoNCi0gR3VpZG8NCg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IERtaXRy eQ0KU2VudDogTW9uZGF5LCBBcHJpbCAxOSwgMjAyMSA5OjI3IEFNDQpTdWJqZWN0OiBSZTogW3N5 emJvdF0gSU5GTzogcmN1IGRldGVjdGVkIHN0YWxsIGluIHR4DQoNCk9uIE1vbiwgQXByIDE5LCAy MDIxIGF0IDk6MTkgQU0gc3l6Ym90DQo8c3l6Ym90K2UyZWFlNTYzOWU3MjAzMzYwMDE4QHN5emth bGxlci5hcHBzcG90bWFpbC5jb20+IHdyb3RlOg0KPg0KPiBIZWxsbywNCj4NCj4gc3l6Ym90IGZv dW5kIHRoZSBmb2xsb3dpbmcgaXNzdWUgb246DQo+DQo+IEhFQUQgY29tbWl0OiAgICA1MDk4N2Jl YyBNZXJnZSB0YWcgJ3RyYWNlLXY1LjEyLXJjNycgb2YgZ2l0Oi8vZ2l0Lmtlcm5lbC5vLi4NCj4g Z2l0IHRyZWU6ICAgICAgIHVwc3RyZWFtDQo+IGNvbnNvbGUgb3V0cHV0OiANCj4gaHR0cHM6Ly9z eXprYWxsZXIuYXBwc3BvdC5jb20veC9sb2cudHh0P3g9MTA2NWM1ZmNkMDAwMDANCj4ga2VybmVs IGNvbmZpZzogIA0KPiBodHRwczovL3N5emthbGxlci5hcHBzcG90LmNvbS94Ly5jb25maWc/eD0z OThjNGQwZmU2ZjY2ZTY4DQo+IGRhc2hib2FyZCBsaW5rOiANCj4gaHR0cHM6Ly9zeXprYWxsZXIu YXBwc3BvdC5jb20vYnVnP2V4dGlkPWUyZWFlNTYzOWU3MjAzMzYwMDE4DQo+DQo+IFVuZm9ydHVu YXRlbHksIEkgZG9uJ3QgaGF2ZSBhbnkgcmVwcm9kdWNlciBmb3IgdGhpcyBpc3N1ZSB5ZXQuDQo+ DQo+IElNUE9SVEFOVDogaWYgeW91IGZpeCB0aGUgaXNzdWUsIHBsZWFzZSBhZGQgdGhlIGZvbGxv d2luZyB0YWcgdG8gdGhlIGNvbW1pdDoNCj4gUmVwb3J0ZWQtYnk6IHN5emJvdCtlMmVhZTU2Mzll NzIwMzM2MDAxOEBzeXprYWxsZXIuYXBwc3BvdG1haWwuY29tDQo+DQo+IHVzYnRtYyA1LTE6MC4w OiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxIHVzYnRtYyAzLTE6MC4wOiB1bmtub3duIA0K PiBzdGF0dXMgcmVjZWl2ZWQ6IC03MSB1c2J0bWMgNS0xOjAuMDogdW5rbm93biBzdGF0dXMgcmVj ZWl2ZWQ6IC03MQ0KDQpUaGUgbG9nIHNob3dzIGFuIGluZmluaXRlIHN0cmVhbSBvZiB0aGVzZSBi ZWZvcmUgdGhlIHN0YWxsLCBzbyBJIGFzc3VtZSBpdCdzIGFuIGluZmluaXRlIGxvb3AgaW4gdXNi dG1jLg0KK3VzYnRtYyBtYWludGFpbmVycw0KDQpbICAzNzAuMTcxNjM0XVsgICAgQzBdIHVzYnRt YyA2LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMTc3Nzk5XVsg ICAgQzFdIHVzYnRtYyAzLTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAz NzAuMTgzOTEyXVsgICAgQzBdIHVzYnRtYyA0LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZl ZDogLTcxDQpbICAzNzAuMTkwMDc2XVsgICAgQzFdIHVzYnRtYyA1LTE6MC4wOiB1bmtub3duIHN0 YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMTk2MTk0XVsgICAgQzBdIHVzYnRtYyAyLTE6MC4w OiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjAyMzg3XVsgICAgQzFdIHVz YnRtYyAzLTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjA4NDYw XVsgICAgQzBdIHVzYnRtYyA2LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpb ICAzNzAuMjE0NjE1XVsgICAgQzFdIHVzYnRtYyA1LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNl aXZlZDogLTcxDQpbICAzNzAuMjIwNzM2XVsgICAgQzBdIHVzYnRtYyA0LTE6MC4wOiB1bmtub3du IHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjI2OTAyXVsgICAgQzFdIHVzYnRtYyAzLTE6 MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjMzMDA1XVsgICAgQzBd IHVzYnRtYyAyLTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjM5 MTY4XVsgICAgQzFdIHVzYnRtYyA1LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcx DQpbICAzNzAuMjQ1MjcxXVsgICAgQzBdIHVzYnRtYyA2LTE6MC4wOiB1bmtub3duIHN0YXR1cyBy ZWNlaXZlZDogLTcxDQpbICAzNzAuMjUxNDI2XVsgICAgQzFdIHVzYnRtYyAzLTE6MC4wOiB1bmtu b3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjU3NTUyXVsgICAgQzBdIHVzYnRtYyA0 LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjYzNzE1XVsgICAg QzFdIHVzYnRtYyA1LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAu MjY5ODE5XVsgICAgQzBdIHVzYnRtYyAyLTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDog LTcxDQpbICAzNzAuMjc1OTc0XVsgICAgQzFdIHVzYnRtYyAzLTE6MC4wOiB1bmtub3duIHN0YXR1 cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjgyMTAwXVsgICAgQzBdIHVzYnRtYyA2LTE6MC4wOiB1 bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjg4MjYyXVsgICAgQzFdIHVzYnRt YyA1LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcxDQpbICAzNzAuMjk0Mzk5XVsg ICAgQzBdIHVzYnRtYyA0LTE6MC4wOiB1bmtub3duIHN0YXR1cyByZWNlaXZlZDogLTcx