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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23626C77B61 for ; Mon, 1 May 2023 14:46:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232575AbjEAOqm (ORCPT ); Mon, 1 May 2023 10:46:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232070AbjEAOql (ORCPT ); Mon, 1 May 2023 10:46:41 -0400 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28D92E9 for ; Mon, 1 May 2023 07:46:39 -0700 (PDT) Received: from cwcc.thunk.org (pool-173-48-120-46.bstnma.fios.verizon.net [173.48.120.46]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 341EkWjk009738 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 1 May 2023 10:46:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1682952394; bh=1hS6tpwzGBFwF1HZqIjNluK+tKVasJjPlzPNt1RRQLY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=GauAwYSCr0/2MZCy8myAhxB3OYeUNr513J/F2VwN7Qo4CxmufnrkjHHwxRp6rPNI9 ruRKMBrHJI6Vx/5+SvpkpvwE8BQiWVFnhORyIqamOsfrwVRai+/C087Ko3N5Gwu+R3 Ih6iGIlYxUUIVqaseYrWmSgykX0cdMsMvl8JtA920jNL6C0NrOvE+xESI5VuhusFZ8 9KGVF2udZKHuJ1hPoG1KmYSmuDcdFQCSrlnhAqZPfvhBq6gc3hoLR+tL3ICkjN95B4 aZTXhzQfzhUBq4ukeCyFSRw00LPsF8IeGKDQEmIHQ2cDJ5RV0tL8Oz1+JGDhRqHfeX EzWTk/O0i7nWA== Received: by cwcc.thunk.org (Postfix, from userid 15806) id 212FB15C02E2; Mon, 1 May 2023 10:46:32 -0400 (EDT) Date: Mon, 1 May 2023 10:46:32 -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_log_wait_for_space Message-ID: <20230501144632.GA599899@mit.edu> References: <000000000000994fbe05e5b5d4d9@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000994fbe05e5b5d4d9@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org #syz fix: ext4, jbd2: add an optimized bmap for the journal inode