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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 C8220C10F29 for ; Mon, 16 Mar 2020 02:33:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B7D420722 for ; Mon, 16 Mar 2020 02:33:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584326017; bh=X2U8BZK1mRjV0hmRrAocA+0FcUAr5GGTKyHMMuN4tbE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=aVXHLkB73MdTjWyPdWSIyLqg2U+jCPuCvu3MWnmy2D9wGgHoCgdJ8MkSx6lsLOxbD Lq8TgmZugz9Q46eCJuWAftdzzqVbNdgwLutjb5I+T5MVg54AC/PgqzI2hH1knIHukm WvVwhtgLaSez1ZiXfCR1LouZVWGRktp9bZQplB4E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729497AbgCPCdg (ORCPT ); Sun, 15 Mar 2020 22:33:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:36294 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729560AbgCPCdf (ORCPT ); Sun, 15 Mar 2020 22:33:35 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9CC512073C; Mon, 16 Mar 2020 02:33:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584326014; bh=X2U8BZK1mRjV0hmRrAocA+0FcUAr5GGTKyHMMuN4tbE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Seh/NSkBoj3iYRI3svqZHrh47XsHzzPcSVnS1Mp74xQoalppekLTZC6A5ELDLYWuN 8rekGS+7oHTLNYWSNSFWeBavx0kwjbhcdgq5vhm00UDevAQoqGUgqtFKIsZq3aAvPW o4Jm87A9FaxLTHKh9pv7IqkYBKhTSvQ8kP1Jqp/k= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: "Paulo Alcantara (SUSE)" , Steve French , Ronnie Sahlberg , Sasha Levin , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org Subject: [PATCH AUTOSEL 5.5 12/41] cifs: fix potential mismatch of UNC paths Date: Sun, 15 Mar 2020 22:32:50 -0400 Message-Id: <20200316023319.749-12-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200316023319.749-1-sashal@kernel.org> References: <20200316023319.749-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org From: "Paulo Alcantara (SUSE)" [ Upstream commit 154255233830e1e4dd0d99ac929a5dce588c0b81 ] Ensure that full_path is an UNC path that contains '\\' as delimiter, which is required by cifs_build_devname(). The build_path_from_dentry_optional_prefix() function may return a path with '/' as delimiter when using SMB1 UNIX extensions, for example. Signed-off-by: Paulo Alcantara (SUSE) Signed-off-by: Steve French Acked-by: Ronnie Sahlberg Signed-off-by: Sasha Levin --- fs/cifs/cifs_dfs_ref.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index 606f26d862dc1..cc3ada12848d9 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -324,6 +324,8 @@ static struct vfsmount *cifs_dfs_do_automount(struct dentry *mntpt) if (full_path == NULL) goto cdda_exit; + convert_delimiter(full_path, '\\'); + cifs_dbg(FYI, "%s: full_path: %s\n", __func__, full_path); if (!cifs_sb_master_tlink(cifs_sb)) { -- 2.20.1