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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k7-20020a508ac7000000b0042aeee8687asi14514712edk.326.2022.07.04.08.08.57; Mon, 04 Jul 2022 08:09:23 -0700 (PDT) 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="S/zPSmDd"; 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 S234081AbiGDOR6 (ORCPT + 99 others); Mon, 4 Jul 2022 10:17:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233915AbiGDORl (ORCPT ); Mon, 4 Jul 2022 10:17:41 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E99DAA476; Mon, 4 Jul 2022 07:17:40 -0700 (PDT) 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=huYW5fOCoYaiUBbhRo6fWg29z4s9u/uhB0RtQtP9fR8=; b=S/zPSmDd4SjssIXtvMa1sEport 3orBKSAruqOvQ1OXIpQSfYfin4hO7my+1MGd+jWN6xXqQzZR10PqQgZeOwznxD6mPER2N3Nepoqoj rEVnkAsFq+iSgmbUSqjzyJJIW2kDtqEaTUr1+Ces1ZUp+PC9RGrgJ7T3rRsywg+c9qwCWWPY+tUj+ Sw2NhDahbDNGD5pLk84KKA1Ud8CSfbagZH8PTyFj/71BaC4boySWruZur+f9FqIKEjz2xreno1KnF CfZC1aAZ0+XfGhSdc/PceMmcZI57TzbD01JOnJ40+SPiT01LjLT5TP2Km0JZQ7ZLdr+tDX/VxXPBo 41QUBYbw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1o8MtN-00HM68-Ml; Mon, 04 Jul 2022 14:17:37 +0000 Date: Mon, 4 Jul 2022 15:17:37 +0100 From: Matthew Wilcox To: Dmitry Vyukov Cc: syzbot , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Subject: Re: [syzbot] WARNING in mark_buffer_dirty (4) Message-ID: References: <0000000000008f6f7405e2f81ce9@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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,T_SCC_BODY_TEXT_LINE 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 Mon, Jul 04, 2022 at 03:13:13PM +0200, Dmitry Vyukov wrote: > On Mon, 4 Jul 2022 at 12:56, Matthew Wilcox wrote: > > It's clearly none of those commits. This is a bug in minix, afaict. > > Judging by the earlier errors, I'd say that it tried to read something, > > failed, then marked it dirty, at which point we hit an assertion that > > you shouldn't mark a !uptodate buffer as dirty. Given that this is > > minix, I have no interest in pursuing this bug further. Why is syzbot > > even testing with minix? > > Shouldn't it? Why? It does not seem to depend on BROKEN. There is no entry for minix in MAINTAINERS. Nobody cares about it.