Received: by 2002:a05:6358:9144:b0:117:f937:c515 with SMTP id r4csp4832798rwr; Sun, 30 Apr 2023 16:41:18 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6HIZbv4IZtg6BCnqI+dFvhTg79nnuc3MfFyb0ULl3onaKNxa10SfCAPOTkYBHg8QFG/SaV X-Received: by 2002:a17:90b:954:b0:24d:fb2c:1ae0 with SMTP id dw20-20020a17090b095400b0024dfb2c1ae0mr1881973pjb.17.1682898078502; Sun, 30 Apr 2023 16:41:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1682898078; cv=none; d=google.com; s=arc-20160816; b=exS74Gj9W0HkH3c7xRaf8nD5fL1hFU+akLPpWoDClRyd2AM/9uAsxMptsxXFqslJi1 7NcNpdm7J2Wmm3d/2hJQ1jmImieC1qxxnRVGaoN2pP0JhInzXwHh4JOZynXGhjuAVq+1 +B0zVNfN2Lu6nQgeHmzb++SI2lelbnHmXerDrpYpI7FhOIgGw5ykTevo+CVcHAl7VoW2 VSm4uZGT5Lu/jZWWj5er4m4Z018DEQWtFtBtHuUKj+p03gxkIUvt7b4Yze9+AHnrHwVn 1OBcVWLL+pgVPq5cimHCASWUGY2odkFb+v8vQ7cDwnMGemgI4hoY7YD2rlVbKFiTlkbn cf4g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=1hS6tpwzGBFwF1HZqIjNluK+tKVasJjPlzPNt1RRQLY=; b=ZGOV52IUPUZ1VlJBQArIiKkcA6pJBQ7nFBk3j+0eRjV8CYgVJ09HUOXiVl9emu1KaT 0SL3TH2qP1bysfmsxWuohfvh9JRLk2y641n+uY1d4c6QqTdKpfSl4XLHRPV8gUKD6qW4 eCfG/jLZLFYfY4IHR8asMGkFxbG5hTmSWREpbBwCRsBEHDYtE176V2ArgFhv6pA47493 tRq87v9VpTOBDDYprp1/97MJ8SJcr+r30Z46DqJQLvFZqjbgGLu0J2GvPyVZZYnD1Vi/ q4ddFHPb32Ts8XkQ9XdBhLBDvljAzi+JWqYKY/2fHeQHc9XpnKvQb0Jyx1T5/RX5WD2x r9JA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@mit.edu header.s=outgoing header.b=GHRZf3ts; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=mit.edu Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id w6-20020a17090a528600b0024dec84c2fcsi2901917pjh.122.2023.04.30.16.41.02; Sun, 30 Apr 2023 16:41:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-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=fail header.i=@mit.edu header.s=outgoing header.b=GHRZf3ts; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=mit.edu Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229659AbjD3Xjo (ORCPT + 99 others); Sun, 30 Apr 2023 19:39:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231362AbjD3Xjn (ORCPT ); Sun, 30 Apr 2023 19:39:43 -0400 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA179170D for ; Sun, 30 Apr 2023 16:39:15 -0700 (PDT) Received: from letrec.thunk.org ([216.250.210.3]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 33UNd0CJ015022 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 30 Apr 2023 19:39:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1682897950; bh=1hS6tpwzGBFwF1HZqIjNluK+tKVasJjPlzPNt1RRQLY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=GHRZf3ts0UJmcSu2zr2QL2F+9ouvMYGNU0xyR1yw2DcH7CbMVnktz4jdjvD7es6eB QWKEQM1oz3Oi85TzR+dJH35Sq+dzNYIyCN6bZrfl5iYOirEwUXwzTDf3T8GGvNbsoa MxfW+h2ALPqfux+67sgXP/cQPrqFgsYuJHDDF+Xjxr+Z3MDCQR4nCFRYmH3w797VrT u25601zUPHLFVxywS/cqp/rwSM9mrvjOvRrvg42+hEWEpOoQbEgVFIFy2IhXj93cy8 AzlUs0FhyDmCV8BjOB+eksE9+SNatwP+RwdtxLdUcgxcQSzNSFEdB8oqLg6UPCo7Z0 c/B9dvUq4BsxQ== Received: by letrec.thunk.org (Postfix, from userid 15806) id 933F48C02D7; Sun, 30 Apr 2023 19:38:58 -0400 (EDT) Date: Sun, 30 Apr 2023 19:38:58 -0400 From: "Theodore Ts'o" To: syzbot Cc: jack@suse.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] possible deadlock in jbd2_journal_lock_updates Message-ID: References: <000000000000892a3005e5b5d96c@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000892a3005e5b5d96c@google.com> X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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-ext4@vger.kernel.org #syz fix: ext4, jbd2: add an optimized bmap for the journal inode