linux-kernel - RE: [PATCH v3] scsi: storvsc: Fix validation for unsolicited incoming packets

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Message-ID: <MW2SPR01MB07E58BE5A2AA1ADDF4302BCAB19@MW2SPR01MB07.namprd21.prod.outlook.com>
Date:   Thu, 7 Oct 2021 15:22:14 +0000
From:   Haiyang Zhang <haiyangz@...rosoft.com>
To:     "Andrea Parri (Microsoft)" <parri.andrea@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
CC:     KY Srinivasan <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Dexuan Cui <decui@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>
Subject: RE: [PATCH v3] scsi: storvsc: Fix validation for unsolicited incoming
 packets



> -----Original Message-----
> From: Andrea Parri (Microsoft) <parri.andrea@...il.com>
> Sent: Thursday, October 7, 2021 8:28 AM
> To: linux-kernel@...r.kernel.org; linux-hyperv@...r.kernel.org; linux-
> scsi@...r.kernel.org
> Cc: KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang
> <haiyangz@...rosoft.com>; Stephen Hemminger <sthemmin@...rosoft.com>;
> Wei Liu <wei.liu@...nel.org>; James E . J . Bottomley
> <jejb@...ux.ibm.com>; Martin K . Petersen <martin.petersen@...cle.com>;
> Michael Kelley <mikelley@...rosoft.com>; Andrea Parri (Microsoft)
> <parri.andrea@...il.com>; Dexuan Cui <decui@...rosoft.com>
> Subject: [PATCH v3] scsi: storvsc: Fix validation for unsolicited
> incoming packets
> 
> The validation on the length of incoming packets performed in
> storvsc_on_channel_callback() does not apply to unsolicited packets with
> ID of 0 sent by Hyper-V.  Adjust the validation for such unsolicited
> packets.
> 
> Fixes: 91b1b640b834b2 ("scsi: storvsc: Validate length of incoming
> packet in storvsc_on_channel_callback()")
> Reported-by: Dexuan Cui <decui@...rosoft.com>
> Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@...il.com>
> Reviewed-by: Michael Kelley <mikelley@...rosoft.com>
> ---

Thanks.

Reviewed-by: Haiyang Zhang <haiyangz@...rosoft.com>