From: Wei Liu <wei.liu@kernel.org>
To: "Andrea Parri (Microsoft)" <parri.andrea@gmail.com>
Cc: linux-kernel@vger.kernel.org,
"K . Y . Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
Wei Liu <wei.liu@kernel.org>,
linux-hyperv@vger.kernel.org,
Andres Beltran <lkmlabelt@gmail.com>,
Michael Kelley <mikelley@microsoft.com>,
Saruhan Karademir <skarade@microsoft.com>,
Juan Vazquez <juvazq@microsoft.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH v9 2/3] scsi: storvsc: Use vmbus_requestor to generate transaction IDs for VMBus hardening
Date: Fri, 13 Nov 2020 11:33:27 +0000 [thread overview]
Message-ID: <20201113113327.dmium67e32iadqbz@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <20201109100402.8946-3-parri.andrea@gmail.com>
On Mon, Nov 09, 2020 at 11:04:01AM +0100, Andrea Parri (Microsoft) wrote:
> From: Andres Beltran <lkmlabelt@gmail.com>
>
> Currently, pointers to guest memory are passed to Hyper-V as
> transaction IDs in storvsc. In the face of errors or malicious
> behavior in Hyper-V, storvsc should not expose or trust the transaction
> IDs returned by Hyper-V to be valid guest memory addresses. Instead,
> use small integers generated by vmbus_requestor as requests
> (transaction) IDs.
>
> Signed-off-by: Andres Beltran <lkmlabelt@gmail.com>
> Co-developed-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
> Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
> Reviewed-by: Michael Kelley <mikelley@microsoft.com>
> Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
> Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
> Cc: linux-scsi@vger.kernel.org
Reviewed-by: Wei Liu <wl@xen.org>
next prev parent reply other threads:[~2020-11-13 11:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-09 10:03 [PATCH v9 0/3] Drivers: hv: vmbus: vmbus_requestor data structure for VMBus hardening Andrea Parri (Microsoft)
2020-11-09 10:04 ` [PATCH v9 1/3] Drivers: hv: vmbus: Add " Andrea Parri (Microsoft)
2020-11-13 11:32 ` Wei Liu
2020-11-09 10:04 ` [PATCH v9 2/3] scsi: storvsc: Use vmbus_requestor to generate transaction IDs " Andrea Parri (Microsoft)
2020-11-13 11:33 ` Wei Liu [this message]
2020-11-13 18:54 ` Wei Liu
2020-11-13 21:39 ` Andrea Parri
2020-11-16 11:03 ` Wei Liu
2020-11-17 3:44 ` Martin K. Petersen
2020-11-09 10:04 ` [PATCH v9 3/3] hv_netvsc: " Andrea Parri (Microsoft)
2020-11-13 11:33 ` Wei Liu
2020-11-17 10:54 ` [PATCH v9 0/3] Drivers: hv: vmbus: vmbus_requestor data structure " Wei Liu
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=20201113113327.dmium67e32iadqbz@liuwe-devbox-debian-v2 \
--to=wei.liu@kernel.org \
--cc=haiyangz@microsoft.com \
--cc=jejb@linux.ibm.com \
--cc=juvazq@microsoft.com \
--cc=kys@microsoft.com \
--cc=linux-hyperv@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=lkmlabelt@gmail.com \
--cc=martin.petersen@oracle.com \
--cc=mikelley@microsoft.com \
--cc=parri.andrea@gmail.com \
--cc=skarade@microsoft.com \
--cc=sthemmin@microsoft.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).