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=-6.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 66760C65C20 for ; Mon, 8 Oct 2018 18:56:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23C922087D for ; Mon, 8 Oct 2018 18:56:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="KXYGyYFQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 23C922087D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732612AbeJICF4 (ORCPT ); Mon, 8 Oct 2018 22:05:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:56172 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732339AbeJICF4 (ORCPT ); Mon, 8 Oct 2018 22:05:56 -0400 Received: from localhost (ip-213-127-77-176.ip.prioritytelecom.net [213.127.77.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 61AAF20645; Mon, 8 Oct 2018 18:52:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1539024769; bh=8U+91JKWhuK4SIea4dod6WAZIGANUmL9bQGRjauZIXE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KXYGyYFQBPDs1nQXwmH8p1T451LsK7JoOlvz56PhogrMldmbsUwJCjsPiZ9i/vcRo OsT6HJJWua3GM3J87LXE6IFFdSXgHf/BImzqzawhFumzQw4FffpXH+WLLBenzeMXNu P0FmzwMFnxnC5omYQCN7aDa48RvV+wT06sFjQJ2E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Amir Goldstein , Miklos Szeredi Subject: [PATCH 4.18 148/168] ovl: fix memory leak on unlink of indexed file Date: Mon, 8 Oct 2018 20:32:08 +0200 Message-Id: <20181008175625.656311260@linuxfoundation.org> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20181008175620.043587728@linuxfoundation.org> References: <20181008175620.043587728@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Amir Goldstein commit 63e132528032ce937126aba591a7b37ec593a6bb upstream. The memory leak was detected by kmemleak when running xfstests overlay/051,053 Fixes: caf70cb2ba5d ("ovl: cleanup orphan index entries") Cc: # v4.13 Signed-off-by: Amir Goldstein Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/overlayfs/util.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -531,7 +531,7 @@ static void ovl_cleanup_index(struct den struct dentry *upperdentry = ovl_dentry_upper(dentry); struct dentry *index = NULL; struct inode *inode; - struct qstr name; + struct qstr name = { }; int err; err = ovl_get_index_name(lowerdentry, &name); @@ -574,6 +574,7 @@ static void ovl_cleanup_index(struct den goto fail; out: + kfree(name.name); dput(index); return;