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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 8ED34C4360F for ; Thu, 14 Mar 2019 23:15:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5A6382184C for ; Thu, 14 Mar 2019 23:15:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bqEhkx/C"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="Xom1t6C6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A6382184C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=HansenPartnership.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Mime-Version:References:In-Reply-To: Date:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=USewm7Q/99tXsQqys535QOZUpjdn1qozNJkR5x8RxAQ=; b=bqEhkx/CfFLMYp kNnue70xVP/eVDOb9/3Mw6rarg+GPQvvt3V1xuv0OARm5Oyj/HvMn/5NQmKaMJSa7jR6A/3YRf3OO VFCblzJCgyOKoEAUHRVX8uiSOGbBrMwbG2G2AcpN/+qLAN0+KjAhbL4Fu+U0Ba9KJrF2wDvfbGf/A Yx4ESH0xNA7r5d9OPiIYEnQoNrxjH5KIIuXu8y4SVi5jYaHQlyJcRohQsd0kEc1jiCIYBFEnn9tLV KcFGg0bWps4gULpkbZ8Ax9WRlAzFb1e4Gdc6k9FE6MjNTjPgJhkMu/GKyKZXbU5wRfBmOPpPm91dH JTMzTb6GilDZgukZ/0rQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h4ZZF-0003Ye-Um; Thu, 14 Mar 2019 23:15:17 +0000 Received: from bedivere.hansenpartnership.com ([66.63.167.143]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h4ZZD-0003Y4-5n for linux-mtd@lists.infradead.org; Thu, 14 Mar 2019 23:15:16 +0000 Received: from localhost (localhost [127.0.0.1]) by bedivere.hansenpartnership.com (Postfix) with ESMTP id A6CF08EE1EC; Thu, 14 Mar 2019 16:15:13 -0700 (PDT) Received: from bedivere.hansenpartnership.com ([127.0.0.1]) by localhost (bedivere.hansenpartnership.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uUFEi_7wNkui; Thu, 14 Mar 2019 16:15:13 -0700 (PDT) Received: from [153.66.254.194] (unknown [50.35.68.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bedivere.hansenpartnership.com (Postfix) with ESMTPSA id 07CB58EE02B; Thu, 14 Mar 2019 16:15:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hansenpartnership.com; s=20151216; t=1552605313; bh=+sNp9lHnPYGPJkjxRa5mzdQLDF//P9+5EqLB644Xm7o=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=Xom1t6C66vnDHLIL3YMov7IPb1C/Fxwazo/uOtSLjEEaXmS0yD+uItG+am84AWZgb r1HTw896/ClCOmPeKPAsvoP30uPuccRkyxmxD8Pnd92F/B3WXdK0DG5XZ4kETvkpUJ LJI27Ct6ZWPu8/3AmANDzsM6oHk3Yofg0/HuuRdM= Message-ID: <1552605311.2571.6.camel@HansenPartnership.com> Subject: Re: [PATCH 4/4] ubifs: Implement new mount option, fscrypt_key_required From: James Bottomley To: Richard Weinberger , linux-mtd@lists.infradead.org Date: Thu, 14 Mar 2019 16:15:11 -0700 In-Reply-To: <20190314171559.27584-5-richard@nod.at> References: <20190314171559.27584-1-richard@nod.at> <20190314171559.27584-5-richard@nod.at> X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190314_161515_222480_54CBFB8B X-CRM114-Status: UNSURE ( 7.36 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tytso@mit.edu, miklos@szeredi.hu, amir73il@gmail.com, linux-unionfs@vger.kernel.org, linux-kernel@vger.kernel.org, paullawrence@google.com, linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, jaegeuk@kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Thu, 2019-03-14 at 18:15 +0100, Richard Weinberger wrote: > Usually fscrypt allows limited access to encrypted files even > if no key is available. > Encrypted filenames are shown and based on this names users > can unlink and move files. Shouldn't they be able to read/write and create as well (all with the ciphertext name and contents, of course) ... otherwise how does backup of encrypted files by admin without the key ever work? James ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/