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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 6509BC432C0 for ; Tue, 19 Nov 2019 06:01:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 283F5206DA for ; Tue, 19 Nov 2019 06:01:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574143265; bh=UwBJZoz9GrgalpPxw28oDcIL0daCumvlEcO2T7STbEs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Y3+w4jPCz9jJObOrtdPepDk9hpftVumPgecFUiA8at3nrPyvGIcjBWudJvLOJNc6y N0HmsYCPOvHwp8DrNr7J7KdJZ9rLOcq13+V22xAPcMwiTm93T1hHZk96JqnC2OV2uj nKpWOmpJFq6NdhBkGIPA8lbqiIju08D7pJfyQPXg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730354AbfKSFob (ORCPT ); Tue, 19 Nov 2019 00:44:31 -0500 Received: from mail.kernel.org ([198.145.29.99]:39802 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730000AbfKSFo1 (ORCPT ); Tue, 19 Nov 2019 00:44:27 -0500 Received: from sol.localdomain (c-24-5-143-220.hsd1.ca.comcast.net [24.5.143.220]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B201D21939; Tue, 19 Nov 2019 05:44:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574142267; bh=UwBJZoz9GrgalpPxw28oDcIL0daCumvlEcO2T7STbEs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0FVUZTd4avgbrAMuNCS1RvWbmrPLVm430fPw6jrJTMwXh7Mhzvx3lFj6EYWkNOFV3 EhJTOw1z7fSvtDvvHvlfRIZFvJSX94aTuKrTkuphj/KsKCdi3XXzGHTZe+tZQmrO1l g908XS9+zNWTs1gmM2q+w+zXmTAbmRrFZEjg2DC8= Date: Mon, 18 Nov 2019 21:44:25 -0800 From: Eric Biggers To: syzbot Cc: alexander.levin@microsoft.com, davem@davemloft.net, devel@driverdev.osuosl.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, mchehab+samsung@kernel.org, paulmck@linux.ibm.com, syzkaller-bugs@googlegroups.com, valdis.kletnieks@vt.edu Subject: Re: WARNING in bdev_read Message-ID: <20191119054425.GO163020@sol.localdomain> References: <00000000000073309e05951e2dc1@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <00000000000073309e05951e2dc1@google.com> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 17, 2019 at 10:02:07AM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: bc88f85c kthread: make __kthread_queue_delayed_work static > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=14e25608e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=e0ac4d9b35046343 > dashboard link: https://syzkaller.appspot.com/bug?extid=787bcbef9b5fec61944b > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=159fd353600000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e82173600000 > > The bug was bisected to: > > commit c48c9f7ff32b8b3965a08e40eb6763682d905b5d > Author: Valdis Klētnieks > Date: Wed Aug 28 16:08:17 2019 +0000 > > staging: exfat: add exfat filesystem code to staging This bisection looks correct. On a related topic: it seems the exfat filesystem is missing a mailing list. - Eric