From: Sasha Levin <sashal@kernel.org>
To: gregkh@linuxfoundation.org
Cc: ntsironis@arrikto.com, snitzer@redhat.com, stable@vger.kernel.org
Subject: Re: FAILED: patch "[PATCH] dm clone: Add missing casts to prevent overflows and data" failed to apply to 5.4-stable tree
Date: Wed, 15 Apr 2020 21:08:21 -0400 [thread overview]
Message-ID: <20200416010821.GQ1068@sasha-vm> (raw)
In-Reply-To: <15869486198643@kroah.com>
On Wed, Apr 15, 2020 at 01:03:39PM +0200, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 5.4-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From 9fc06ff56845cc5ccafec52f545fc2e08d22f849 Mon Sep 17 00:00:00 2001
>From: Nikos Tsironis <ntsironis@arrikto.com>
>Date: Fri, 27 Mar 2020 16:01:10 +0200
>Subject: [PATCH] dm clone: Add missing casts to prevent overflows and data
> corruption
>
>Add missing casts when converting from regions to sectors.
>
>In case BITS_PER_LONG == 32, the lack of the appropriate casts can lead
>to overflows and miscalculation of the device sector.
>
>As a result, we could end up discarding and/or copying the wrong parts
>of the device, thus corrupting the device's data.
>
>Fixes: 7431b7835f55 ("dm: add clone target")
>Cc: stable@vger.kernel.org # v5.4+
>Signed-off-by: Nikos Tsironis <ntsironis@arrikto.com>
>Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Looks like addressing the other dm patches made this one apply/build as
well.
--
Thanks,
Sasha
prev parent reply other threads:[~2020-04-16 1:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 11:03 FAILED: patch "[PATCH] dm clone: Add missing casts to prevent overflows and data" failed to apply to 5.4-stable tree gregkh
2020-04-16 1:08 ` Sasha Levin [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200416010821.GQ1068@sasha-vm \
--to=sashal@kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=ntsironis@arrikto.com \
--cc=snitzer@redhat.com \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.