From: Sami Tolvanen <samitolvanen@google.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: JeongHyeon Lee <jhs2.lee@samsung.com>,
dm-devel@redhat.com, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, agk@redhat.com, corbet@lwn.net
Subject: Re: [dm-devel] New mode DM-Verity error handling
Date: Thu, 18 Jun 2020 09:50:06 -0700 [thread overview]
Message-ID: <20200618165006.GA103290@google.com> (raw)
In-Reply-To: <20200618154444.GB18007@redhat.com>
On Thu, Jun 18, 2020 at 11:44:45AM -0400, Mike Snitzer wrote:
> I do not accept that panicing the system because of verity failure is
> reasonable.
>
> In fact, even rebooting (via DM_VERITY_MODE_RESTART) looks very wrong.
>
> The device should be put in a failed state and left for admin recovery.
That's exactly how the restart mode works on some Android devices. The
bootloader sees the verification error and puts the device in recovery
mode. Using the restart mode on systems without firmware support won't
make sense, obviously.
Sami
next prev parent reply other threads:[~2020-06-18 16:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200618070250epcas1p409eb2ddd19ecc5d55c219ac3dc884f25@epcas1p4.samsung.com>
2020-06-18 6:56 ` [patch] New mode DM-Verity error handling JeongHyeon Lee
2020-06-18 15:44 ` Mike Snitzer
2020-06-18 16:50 ` Sami Tolvanen [this message]
2020-06-18 17:09 ` Mike Snitzer
2020-06-22 0:27 ` JeongHyeon Lee
2020-06-22 7:58 ` Milan Broz
2020-06-22 23:53 ` JeongHyeon Lee
2020-06-23 7:28 ` Milan Broz
2020-06-23 8:08 ` JeongHyeon Lee
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