From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sami Tolvanen Subject: Re: [PATCH] dm verity: deferred hash checking for restart/logging mode Date: Mon, 24 Apr 2017 08:54:08 -0700 Message-ID: <20170424155408.GA60835@samitolvanen.mtv.corp.google.com> References: <1493019260-43938-1-git-send-email-bongkyu.kim@lge.com> <76b0b4ab-f811-7c8e-c88c-1210a0e67119@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <76b0b4ab-f811-7c8e-c88c-1210a0e67119@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Milan Broz Cc: Bongkyu Kim , agk@redhat.com, snitzer@redhat.com, dm-devel@redhat.com, shli@kernel.org, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, Will Drewry List-Id: linux-raid.ids On Mon, Apr 24, 2017 at 10:05:03AM +0200, Milan Broz wrote: > Isn't one of the goal of integrity checking to PREVENT that userspace > accesses tampered data? Absolutely. It's not acceptable for dm-verity to return unverified data to userspace in restart mode. Sami