Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp7742226rwb; Mon, 12 Dec 2022 19:49:51 -0800 (PST) X-Google-Smtp-Source: AA0mqf4Gefer6A+T7wB0Xf08KgWYei+cA3icr6QZ9KoKkHyMykPJvw/nrqckktkrTqK23yo82sTs X-Received: by 2002:a17:902:6b47:b0:189:dd86:a1e5 with SMTP id g7-20020a1709026b4700b00189dd86a1e5mr18324236plt.68.1670903391268; Mon, 12 Dec 2022 19:49:51 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1670903391; cv=none; d=google.com; s=arc-20160816; b=tRe4vvltnf1diiE2zirMtgzmTklCfEn4d/fnRmbm+Z73F+dgK7ZEtoOM/HVmhB/GtJ pXKEsbNY28r0VmFBv0YhnH5JQSuFD8T24MeGBd7iAtNwX9OzmwZHjcDGIYkziV+NRo9B ix37N9BdXqqEsECIZ2VDJS4Di9Kweo/Z71YpPlhu9/WqxPhBNbqeua8aj3lf7iDxHtTH eO4kYEc/ase9nDS0jxcz3X7q0UXAEZ7u/OfYK5nf33CyvBbniOgMHG1yvVoPg+wJpMdb xu8pznmn1e8TVHY0U3qHV0enTJ9RuP5mGBS+YtgwIJ3UpieQW1gnbPloezaMFA9YH8/s SwKA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=LK5H+YkxoD3TJEyhmLP43hl5OtRfjO3MXQ8m3C86zoc=; b=QX+/jed/weCaariQWj0L2g7JAm/9Zo4OHGeM+CH622XCuisimCxbxc30n5KovAG3Cm GIQekUptzYZZjMi7W9vIdbuPIJB57TtGO8uCZtusf5E/yc32ghMP6OjW8XHK4nexgbKD IndRSIjdc8r6qg/QlcaE9HOI0t/v9karfwKO0IcLJ9SzRYfJFDYgF8OBDy6KKNP7T/kp PoumMq4dyWY0KKGkHQcv3baZVnF4McrxUetU7o3uGRIZFaglRPtaIkjUG97dSjJjciwh Sz4koztWA4iLTRZYFMat0OvfltBQCLhZXNeblqJSCuTs08gCql+qefUf/0TplccyfNrE X8zQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux.org.uk header.s=zeniv-20220401 header.b=jISCmkT1; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=zeniv.linux.org.uk Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id o14-20020a170902d4ce00b00186ab026646si12587703plg.394.2022.12.12.19.49.41; Mon, 12 Dec 2022 19:49:51 -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=@linux.org.uk header.s=zeniv-20220401 header.b=jISCmkT1; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=zeniv.linux.org.uk Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233867AbiLMDgm (ORCPT + 75 others); Mon, 12 Dec 2022 22:36:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234107AbiLMDgh (ORCPT ); Mon, 12 Dec 2022 22:36:37 -0500 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [IPv6:2a03:a000:7:0:5054:ff:fe1c:15ff]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD7731B7B5 for ; Mon, 12 Dec 2022 19:36:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=LK5H+YkxoD3TJEyhmLP43hl5OtRfjO3MXQ8m3C86zoc=; b=jISCmkT1qjr6vdezqb6MH0Bypw m8iOfns3z8ofAveFQR6SrqVWADLXXXtO/AjA5DXhWAmlrF6tjQmojclbCJdPYgZV793RN6t+OHSOa tz+21Qmaff9j29xYMjhuHeRAhpwUJHLBxqKEYfIcXCsIKO6piMf5rREcMK0mvjDOgeClg/BVJiLCy rv1JdAgjlr+dzlh+Ng0op0dNce0RQNWcTCWE0Y+zAOgjvLAHYWyIFLh8hzPSqYoAYdZT2AcOQBXX+ ffIpDU36ey2AYrmi61dEyEoof5ZPrE1ZcoJgP6W+JWnrL3LKkbA4UQi/uHlSfMK9TZPCuAHaKPvwK cgrluqjg==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.96 #2 (Red Hat Linux)) id 1p4w5f-00BW8m-0R; Tue, 13 Dec 2022 03:36:23 +0000 Date: Tue, 13 Dec 2022 03:36:23 +0000 From: Al Viro To: Hillf Danton Cc: Theodore Ts'o , Matthew Wilcox , syzbot , linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] WARNING in do_mkdirat Message-ID: References: <20221211002908.2210-1-hdanton@sina.com> <00000000000025ff8d05ef842be6@google.com> <20221211075612.2486-1-hdanton@sina.com> <20221211102208.2600-1-hdanton@sina.com> <20221212032911.2965-1-hdanton@sina.com> <20221213014716.3347-1-hdanton@sina.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221213014716.3347-1-hdanton@sina.com> Sender: Al Viro X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,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 Tue, Dec 13, 2022 at 09:47:16AM +0800, Hillf Danton wrote: > > maintainer time is expensive. So by not improving syzbot in a way > > that really shouldn't be all that difficult, the syzbot maintainers is > > disrespectiving the time of the upstream maintainers. > > Are upstream maintainers prefering to spend weeks and months creating > ext4 beatles for example over taking a couple of hours scanning the > syzbot reports like this one? Why does the bot kick you if you have a > clean butt? Why are usb people irrelevant in this case? And to continue with the rethorical questions: has anyone bothered to inform you that you are an obnoxious cunt? *plonk*