Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp472925pxf; Thu, 11 Mar 2021 07:51:44 -0800 (PST) X-Google-Smtp-Source: ABdhPJyxidZeI9fLMDn3//uV2chJbiERpJA/wRHo8K2k4l1vPVrZSFcoYFhVjCPUFoEQ+SjAnLxp X-Received: by 2002:a17:906:30d9:: with SMTP id b25mr3698239ejb.348.1615477903958; Thu, 11 Mar 2021 07:51:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1615477903; cv=none; d=google.com; s=arc-20160816; b=RvWroEgSq6pg3O8x6qvrTHcuU9IAJQnyu/dwzsuBatAUZ78baIzfox6NENzHfLVfvM MORFSw7ibBQl5Bf/jFfcS/alF7pUCwkZYPJB2nUq/shaUfpBJ3jukTcRvUvKdM+k+hCa 9sCP2CWUtRlELpx4bqqospBq45NglGANtY40EdKlUUFjO9aN0Extdx6CUk5CHlBcKDW1 XZDvm85IiCVyy278Ag3o3o8jl0R8jpcHG21Ilmcwa+9c4ieddDbB+y0WuduKT4Y26SNF UxHAW/+IviFYydy5ilrgWDu+dcAZi1FbsrOYiULSIMWetauWeCUG8F9lsEyymN1sMBsQ guHw== 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; bh=6pGxRsrGcCV05EzmZUC0EJLnDqR6756XUr1twKp+mgw=; b=R8QoPb/pL7CuAg/+leCJ/qXJ3nLWwW+XcrH/zmMv+8bNwG1v8obJU9+Ib440IAgYwy MYv64HTpMlDLGR1QedLoxPTULukHUDOo/7bIsOQabCdh0QJMMEkdRdwCEOA+UHfQVS8m tMpvFePn5mm/pBF3UwDwQOaoRUOu7BB9bDf7r7IjP6hMTETNmhCQnEKKUx9KHZ4367Et 2q5gme8QaVH8MNbF+qTOBVZpcWpAy2fHDM+sJEHuNB2g9PaBdQi5RhlWjlGCjrivzM5W Tm7GRmkyrlDmiBtpexEcYCsuVLveSr6O7XDem9YL0WCM6N5sZJYPv+YF1ND9fQmOaeyO aeoA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id g18si1954465edv.353.2021.03.11.07.51.18; Thu, 11 Mar 2021 07:51:43 -0800 (PST) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234261AbhCKPuh (ORCPT + 99 others); Thu, 11 Mar 2021 10:50:37 -0500 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:53403 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S234241AbhCKPuZ (ORCPT ); Thu, 11 Mar 2021 10:50:25 -0500 Received: from cwcc.thunk.org (pool-72-74-133-215.bstnma.fios.verizon.net [72.74.133.215]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 12BFo363008201 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 11 Mar 2021 10:50:04 -0500 Received: by cwcc.thunk.org (Postfix, from userid 15806) id 61A8D15C3AA0; Thu, 11 Mar 2021 10:50:03 -0500 (EST) Date: Thu, 11 Mar 2021 10:50:03 -0500 From: "Theodore Ts'o" To: "zhangyi (F)" Cc: linux-ext4@vger.kernel.org, jack@suse.cz Subject: Re: [PATCH] ext4: do not try to set xattr into ea_inode if value is empty Message-ID: References: <20210305120508.298465-1-yi.zhang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Thu, Mar 11, 2021 at 10:47:40AM -0500, Theodore Ts'o wrote: > On Fri, Mar 05, 2021 at 08:05:08PM +0800, zhangyi (F) wrote: > > Syzbot report a warning that ext4 may create an empty ea_inode if set > > an empty extent attribute to a file on the file system which is no free > > blocks left. > > I'll apply this, but can you tell us which syzbot warning this > addresses so we can mark the commit appropriately? Never mind, I missed the Reported-by: which identified the syzbot report. - Ted