Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp6902322ybc; Thu, 28 Nov 2019 07:23:13 -0800 (PST) X-Google-Smtp-Source: APXvYqzCx480EV0IQWpd3UBSRvGF1eHcFeVE4PHTFq0kZYTQ12mPggw9isLhBolOb7ehYq1xfGyF X-Received: by 2002:a05:6402:13cd:: with SMTP id a13mr38943832edx.57.1574954593563; Thu, 28 Nov 2019 07:23:13 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574954593; cv=none; d=google.com; s=arc-20160816; b=f8fEc3y2eyQRu7S2r37Ul26p76S8qw4l80oJD4yBV4TYQ8XCvWjTgABIONWaWyOtL6 OITQw2nX7OQbxEgKOzjOaK2g14gBQ5k7gk1dhC8n07fueFLxJl2GQ/+DkzU6afeAZk/+ NxioqAPX5phBaZnC440i/wzclT2tFXvi8PJLsUJWnPbsvC16PStfYYFGBTLfLMJ8Rq2+ 9vy7sJz/6RXCqZxWluEyt14mEVt5bYjnOTCHO3gN6QAQAYgTb/1lkk5S8+Mb1XPvpyAp oqjIS+JAtXsGciwMkmsdX0z0dXk3oG85J1hkwm4Rerp5Rp+z8I0cmzfzMdHhi4f8et7+ pTYg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:date:cc:to:from:subject:message-id; bh=iyZO/2DglNGtdqsRbIRSGXvLD62XplPUEJovsUcSCZM=; b=UlGNgxwimY/70SoiNK4ZgsoscoYTAUVaG+hAtzD2SBSkwpF/lhbnMOdsIqPIyVoshR 0DEd5cNPyx9rO43jD7AQjOKs/8pXJiwGb2T90eWrx63zcwg/ef8fz+IYqLANb1WFl4PC lF5rlPudaG6gXT1YOpIgrYBOnmOBntd1/J93jeSWfDoFIGd3YPQ8WWuJF5rloa+1zIlv I2lqPm6P3bojSuYdVCUcayy2nNgxo8GjrO5Q1zTGPe12fM7j9vTYFnQ+k9T5kpz8RkYf weD8Jm4sQeHofACaC5tVaCQ78Y+naksRHsun5TuigLrhhfC84e4td2cMzCLmKsMYhMys EeEA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id o21si12853623edt.135.2019.11.28.07.22.48; Thu, 28 Nov 2019 07:23:13 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726703AbfK1PTt (ORCPT + 99 others); Thu, 28 Nov 2019 10:19:49 -0500 Received: from mx2.suse.de ([195.135.220.15]:44972 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726436AbfK1PTs (ORCPT ); Thu, 28 Nov 2019 10:19:48 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id E2C3AB1EB; Thu, 28 Nov 2019 15:19:46 +0000 (UTC) Message-ID: <1574954383.21204.11.camel@suse.com> Subject: Re: KASAN: use-after-free Read in si470x_int_in_callback (2) From: Oliver Neukum To: Alan Stern , syzbot Cc: andreyknvl@google.com, hverkuil@xs4all.nl, Kernel development list , linux-media@vger.kernel.org, USB list , mchehab@kernel.org, syzkaller-bugs@googlegroups.com Date: Thu, 28 Nov 2019 16:19:43 +0100 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Mittwoch, den 27.11.2019, 16:11 -0500 schrieb Alan Stern: > Oliver: > > Make of this what you will... Hi, first, thank you. Second, this is teaching me to question my assumptions. There is no disconnect at all. We are busy looping in the error handler as we have virtual hardware in this test, which can execute an URB without waiting for hardware. So should we kill error handling for this case? Regards Oliver