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[2620:137:e000::1:20]) by mx.google.com with ESMTP id bb13-20020a1709070a0d00b0078d4c9d77adsi35291836ejc.94.2023.01.05.08.08.41; Thu, 05 Jan 2023 08:08:54 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=ZNCMIIax; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234199AbjAEPrA (ORCPT + 55 others); Thu, 5 Jan 2023 10:47:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233378AbjAEPq4 (ORCPT ); Thu, 5 Jan 2023 10:46:56 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A26414BD53; Thu, 5 Jan 2023 07:46:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=UcJOViUb3NSYcRTFH9cclg0kjcJfbEsdzUY3Qy3AQl4=; b=ZNCMIIaxbDu3V7R1jisPBDBvpa ken2r2RDD8vUKBbC2QosGTKt9pm55rqbG+uTEPjI/QivcOyszHXgumpfYWZ322QAnQ/ss3Uj4K39L 5HyMg+r2vq8bphd6CTkqEo4NzckSwttCfnU2TmNLYG5jiqC7+D8WExSZiMKThlRi+Wvde+XIfwr8S 83Sab9lTu0MdZTsBkjtIr6XTc60RPPxPfHP8pUU+fYnISSW2jASDW9zloQFOG3EaMgSAYetaJ2oOI rfs+NSi5EtotiWO6zd5GRo+2b+4jSgQWSM9Sns/Ghw47kC0vZfBUnIvnN1IpDsamhnST+BaYopVaR R82T7ddw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pDSSD-00GFKq-4P; Thu, 05 Jan 2023 15:46:53 +0000 Date: Thu, 5 Jan 2023 15:46:53 +0000 From: Matthew Wilcox To: Viacheslav Dubeyko Cc: Arnd Bergmann , Linus Torvalds , syzbot , Andrew Morton , christian.brauner@ubuntu.com, Damien Le Moal , Jeff Layton , Linux FS Devel , LKML , syzkaller-bugs@googlegroups.com, ZhangPeng , linux-m68k@lists.linux-m68k.org Subject: Re: [syzbot] [hfs?] WARNING in hfs_write_inode Message-ID: References: <000000000000dbce4e05f170f289@google.com> <5f45bb9a-5e00-48dd-82b0-46b19b1b98a3@app.fastmail.com> <2575F983-D170-4B79-A6BA-912D4ED2CC73@dubeyko.com> <46F233BB-E587-4F2B-AA62-898EB46C9DCE@dubeyko.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46F233BB-E587-4F2B-AA62-898EB46C9DCE@dubeyko.com> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 04, 2023 at 08:37:16PM -0800, Viacheslav Dubeyko wrote: > Also, as far as I can see, available volume in report (mount_0.gz) somehow corrupted already: Syzbot generates deliberately-corrupted (aka fuzzed) filesystem images. So basically, you can't trust anything you read from the disc.