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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=ham 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 C0821C04AAF for ; Tue, 21 May 2019 10:12:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 70AAF21773 for ; Tue, 21 May 2019 10:12:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=preh.de header.i=@preh.de header.b="Xf5Bzq63" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727551AbfEUKMj (ORCPT ); Tue, 21 May 2019 06:12:39 -0400 Received: from mail01.preh.com ([80.149.130.22]:50804 "EHLO mail01.preh.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726448AbfEUKMj (ORCPT ); Tue, 21 May 2019 06:12:39 -0400 From: Kloetzke Jan To: "davem@davemloft.net" , "oneukum@suse.com" CC: "jan@kloetzke.net" , "netdev@vger.kernel.org" , "linux-usb@vger.kernel.org" Subject: Re: [PATCH v2] usbnet: fix kernel crash after disconnect Thread-Topic: [PATCH v2] usbnet: fix kernel crash after disconnect Thread-Index: AQHU/18dyV1WEybtp0WgCkArhegqtKZcDN8AgAGbOgCAD6SEgIAIB9wAgAAGnQA= Date: Tue, 21 May 2019 10:12:23 +0000 Message-ID: <1558433542.19453.33.camel@preh.de> References: <1556563688.20085.31.camel@suse.com> <20190430141440.9469-1-Jan.Kloetzke@preh.de> <20190505.004556.492323065607253635.davem@davemloft.net> <1557130666.12778.3.camel@suse.com> <1557990629.19453.7.camel@preh.de> <1558432122.12672.12.camel@suse.com> In-Reply-To: <1558432122.12672.12.camel@suse.com> Accept-Language: de-DE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-tm-snts-smtp: E766891CAA47C511B3ACF51FFF83D97C99B6D1BBDEE79F336CAB83929E6DDA6D2000:8 x-exclaimer-md-config: 142fe46c-4d13-4ac1-9970-1f36f118897a Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; d=preh.de; s=key1; c=relaxed/relaxed; h=from:to:cc:subject:date:message-id:references:content-type:mime-version; bh=9wyZw08aJ2US/GZIzCzxf42QZpwuiDAuMmCgt4oeGqc=; b=Xf5Bzq63XAX30L5Uwvs6QsIBYZ+znN2z+lCLKYY70YGo6/VqBRjijo9dmaLGVbb2d3jouIJpG185 4Eozy8AV5sAohsQTH96Wl5iUAVy0mVqSNoo3tRrTYCgBZ3+hSeyeWNs6mM8Nk7BmTMdqG86UwlBr QEIXBA3LnCg4SvLMYb2xyM5q1XlORT2edfdNtptrmrJKXh6ub9RcLSOC5Uskb4H5SLh1DahisOgv hdwX1JIDqDcxVrRmEM9qUGk+O2pc20Mv6oJQ3BF4oYllOrwdqbLfzoWjnKJjY47QsYXZYhhh0U8Z /5vTGGZ/3AXp6RoLYSX7HDnM5w54ftlzKG+Ebw== Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org SGksDQoNCkFtIERpZW5zdGFnLCBkZW4gMjEuMDUuMjAxOSwgMTE6NDggKzAyMDAgc2NocmllYiBP bGl2ZXIgTmV1a3VtOg0KPiBPbiBEbywgMjAxOS0wNS0xNiBhdCAwNzoxMCArMDAwMCwgS2xvZXR6 a2UgSmFuIHdyb3RlOg0KPiA+IEFtIE1vbnRhZywgZGVuIDA2LjA1LjIwMTksIDEwOjE3ICswMjAw IHNjaHJpZWIgT2xpdmVyIE5ldWt1bToNCj4gPiA+IE9uIFNvLCAyMDE5LTA1LTA1IGF0IDAwOjQ1 IC0wNzAwLCBEYXZpZCBNaWxsZXIgd3JvdGU6DQo+ID4gPiA+IEZyb206IEtsb2V0emtlIEphbiA8 SmFuLktsb2V0emtlQHByZWguZGU+DQo+ID4gPiA+IERhdGU6IFR1ZSwgMzAgQXByIDIwMTkgMTQ6 MTU6MDcgKzAwMDANCj4gPiA+ID4gDQo+ID4gPiA+ID4gQEAgLTE0MzEsNiArMTQzMiwxMSBAQCBu ZXRkZXZfdHhfdCB1c2JuZXRfc3RhcnRfeG1pdCAoc3RydWN0IHNrX2J1ZmYgKnNrYiwNCj4gPiA+ ID4gPiAgICAgICAgICAgICAgIHNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJmRldi0+dHhxLmxvY2ss IGZsYWdzKTsNCj4gPiA+ID4gPiAgICAgICAgICAgICAgIGdvdG8gZHJvcDsNCj4gPiA+ID4gPiAg ICAgICB9DQo+ID4gPiA+ID4gKyAgICAgaWYgKFdBUk5fT04obmV0aWZfcXVldWVfc3RvcHBlZChu ZXQpKSkgew0KPiA+ID4gPiA+ICsgICAgICAgICAgICAgdXNiX2F1dG9wbV9wdXRfaW50ZXJmYWNl X2FzeW5jKGRldi0+aW50Zik7DQo+ID4gPiA+ID4gKyAgICAgICAgICAgICBzcGluX3VubG9ja19p cnFyZXN0b3JlKCZkZXYtPnR4cS5sb2NrLCBmbGFncyk7DQo+ID4gPiA+ID4gKyAgICAgICAgICAg ICBnb3RvIGRyb3A7DQo+ID4gPiA+ID4gKyAgICAgfQ0KPiA+ID4gPiANCj4gPiA+ID4gSWYgdGhp cyBpcyBrbm93biB0byBoYXBwZW4gYW5kIGlzIGV4cGVjdGVkLCB0aGVuIHdlIHNob3VsZCBub3Qg d2Fybi4NCj4gPiA+ID4gDQo+ID4gPiANCj4gPiA+IEhpLA0KPiA+ID4gDQo+ID4gPiB5ZXMgdGhp cyBpcyB0aGUgcG9pbnQuIENhbiBuZG9fc3RhcnRfeG1pdCgpIGFuZCBuZG9fc3RvcCgpIHJhY2U/ DQo+ID4gPiBJZiBub3QsIHdoeSBkb2VzIHRoZSBwYXRjaCBmaXggdGhlIG9ic2VydmVkIGlzc3Vl IGFuZCB3aGF0DQo+ID4gPiBwcmV2ZW50cyB0aGUgcmFjZT8gU29tZXRoaW5nIGlzIG5vdCBjbGVh ciBoZXJlLg0KPiA+IA0KPiA+IERhdmUsIGNvdWxkIHlvdSBzaGVkIHNvbWUgbGlnaHQgb24gT2xp dmVycyBxdWVzdGlvbj8gSWYgdGhlIHJhY2UgY2FuDQo+ID4gaGFwcGVuIHRoZW4gd2UgY2FuIHN0 aWNrIHRvIHYxIGJlY2F1c2UgdGhlIFdBUk5fT04gaXMgaW5kZWVkIHBvaW50bGVzcy4NCj4gPiBP dGhlcndpc2UgaXQncyBub3QgY2xlYXIgd2h5IGl0IG1hZGUgdGhlIHByb2JsZW0gZ28gYXdheSBm b3IgdXMgYW5kIHYyDQo+ID4gbWF5IGJlIHRoZSBiZXR0ZXIgb3B0aW9uLi4uDQo+IA0KPiBIaSwN Cj4gDQo+IGFzIERhdmUgY29uZmlybWVkIHRoYXQgdGhlIHJhY2UgZXhpc3RzLCBjb3VsZCB5b3Ug cmVzdWJtaXQgd2l0aG91dA0KPiB0aGUgV0FSTiA/DQoNCldoeSBub3QganVzdCB0YWtlIHYxIG9m IHRoZSBwYXRjaD8NCg0KICBodHRwczovL2xvcmUua2VybmVsLm9yZy9uZXRkZXYvMjAxOTA0MTcw OTE4NDkuNzQ3NS0xLUphbi5LbG9ldHprZUBwcmVoLmRlLw0KDQpUaGUgb3JpZ2luYWwgdmVyc2lv biB3YXMgZXhhY3RseSB0aGUgc2FtZSwganVzdCB3aXRob3V0IHRoZSBXQVJOX09OKCkuDQpPciBp cyBpdCByZXF1aXJlZCB0byBzZW5kIGEgdjMgaW4gdGhpcyBjYXNlPw0KDQpSZWdhcmRzLA0KSmFu