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 X-Spam-Level: X-Spam-Status: No, score=-15.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4BD8DC2D0E4 for ; Fri, 27 Nov 2020 11:11:58 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8BB3421527 for ; Fri, 27 Nov 2020 11:11:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="g49D35LS"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="g49D35LS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8BB3421527 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CjBlt4CG4zDrdQ for ; Fri, 27 Nov 2020 22:11:54 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=redhat.com (client-ip=216.205.24.124; helo=us-smtp-delivery-124.mimecast.com; envelope-from=hsiangkao@redhat.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=g49D35LS; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=g49D35LS; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CjBl21zkszDrdR for ; Fri, 27 Nov 2020 22:11:09 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1606475467; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9QJt8Qd10UyZmH8t4FnOsVpvkiJL1cAwrPi9/DcbQtk=; b=g49D35LSMrxI6CQ08npCrWmc152Hr5nI2OkGxVMpAoHG1UPaftF0hOU4MIpfcN6Xw2celq 2f+h8OLaVPRPJxLMYnwoN3Qjie7ueI5bzufwlKi9r+8riqdWqosYTPWMr+usWrWJItPMRg w8wppA6bAMiBtQcGayJIrOL0IifDVmY= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1606475467; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9QJt8Qd10UyZmH8t4FnOsVpvkiJL1cAwrPi9/DcbQtk=; b=g49D35LSMrxI6CQ08npCrWmc152Hr5nI2OkGxVMpAoHG1UPaftF0hOU4MIpfcN6Xw2celq 2f+h8OLaVPRPJxLMYnwoN3Qjie7ueI5bzufwlKi9r+8riqdWqosYTPWMr+usWrWJItPMRg w8wppA6bAMiBtQcGayJIrOL0IifDVmY= Received: from mail-pf1-f197.google.com (mail-pf1-f197.google.com [209.85.210.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-221-EdFzyLytNzG4O9o16wUPng-1; Fri, 27 Nov 2020 06:11:05 -0500 X-MC-Unique: EdFzyLytNzG4O9o16wUPng-1 Received: by mail-pf1-f197.google.com with SMTP id q22so3758142pfj.20 for ; Fri, 27 Nov 2020 03:11:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=9QJt8Qd10UyZmH8t4FnOsVpvkiJL1cAwrPi9/DcbQtk=; b=U+pJ3IUCqVz3NbsX3QVHHXYM/8459WufJNkkv286gKMc5k2MGk66Ko6Tmf1dlUVAnq WVMeNaDkUs3M0qHCTL2r7kFftkneLDKngbKwchWNQmV8+VYh5LFYB8NuJRNDWnbcrB+I 8BwdeTNaXZexuYfutxoHwDoIapFVZN/Qc4uAvpQ0BlzrYWv+Q3z2a4VBXxX95R/SMRcB Pd49mgAASEOajlOfZgdIYB72OF83voQzWmmdXhiRMAk/CEYBywtFX4cwlETpM0M5Pqz8 0uIuxfGa4QM2DEzYfy0KDoZGeqCdkQ6TwgNfAC9g+Cp8DuXcL4he9pMLMmJizVM93NE0 +gBw== X-Gm-Message-State: AOAM530g0eZA1vaROvaOD41poQvQHocxrAJtpi3TXs9SamHplHnCF7X1 0oJRxOhfa/EKQm7D31BCqfFZKMJbeu7UTB98f36UFzVUPWZkrZizcSfoyrbBTxRFS95MufArsBq OuJoHCDePNBdif9QqdjZQIrZy X-Received: by 2002:aa7:90d2:0:b029:198:39d8:e5b0 with SMTP id k18-20020aa790d20000b029019839d8e5b0mr6744049pfk.1.1606475463630; Fri, 27 Nov 2020 03:11:03 -0800 (PST) X-Google-Smtp-Source: ABdhPJyi4T97UdyleRj2qhUtI7cQqGPa7tlxJcNovwwe4lMDD+mp55rnklku0sszLlO+cqngACgHXA== X-Received: by 2002:aa7:90d2:0:b029:198:39d8:e5b0 with SMTP id k18-20020aa790d20000b029019839d8e5b0mr6744027pfk.1.1606475463429; Fri, 27 Nov 2020 03:11:03 -0800 (PST) Received: from xiangao.remote.csb ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id v18sm6954515pfn.35.2020.11.27.03.11.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Nov 2020 03:11:03 -0800 (PST) Date: Fri, 27 Nov 2020 19:10:53 +0800 From: Gao Xiang To: Huang Jianan Subject: Re: [PATCH v2 1/1] erofs-utils: fix use after free in closedir Message-ID: <20201127111053.GA615630@xiangao.remote.csb> References: <20201127110616.34232-1-huangjianan@oppo.com> MIME-Version: 1.0 In-Reply-To: <20201127110616.34232-1-huangjianan@oppo.com> User-Agent: Mutt/1.10.1 (2018-07-13) Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hsiangkao@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: liufeibao@oppo.com, guoweichao@oppo.com, linux-erofs@lists.ozlabs.org, zhangshiming@oppo.com Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" On Fri, Nov 27, 2020 at 07:06:16PM +0800, Huang Jianan wrote: > No need to closedir _dir again since it has been released. > > Signed-off-by: Huang Jianan > Signed-off-by: Guo Weichao Looks good to me, Reviewed-by: Gao Xiang Will apply it soon. Thanks, Gao Xiang > --- > lib/inode.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/lib/inode.c b/lib/inode.c > index eb2e0f2..388d21d 100644 > --- a/lib/inode.c > +++ b/lib/inode.c > @@ -958,11 +958,11 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir) > > ret = erofs_prepare_dir_file(dir); > if (ret) > - goto err_closedir; > + goto err; > > ret = erofs_prepare_inode_buffer(dir); > if (ret) > - goto err_closedir; > + goto err; > > if (IS_ROOT(dir)) > erofs_fixup_meta_blkaddr(dir); > @@ -988,7 +988,7 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir) > fail: > d->inode = NULL; > d->type = EROFS_FT_UNKNOWN; > - goto err_closedir; > + goto err; > } > > d->type = erofs_type_by_mode[d->inode->i_mode >> S_SHIFT]; > @@ -1003,6 +1003,7 @@ fail: > > err_closedir: > closedir(_dir); > +err: > return ERR_PTR(ret); > } > > -- > 2.25.1 >