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

From: Haiyang Zhang
Date: Thu Oct 07 2021 - 11:22:23 EST




> -----Original Message-----
> From: Andrea Parri (Microsoft) <parri.andrea@xxxxxxxxx>
> Sent: Thursday, October 7, 2021 8:28 AM
> To: linux-kernel@xxxxxxxxxxxxxxx; linux-hyperv@xxxxxxxxxxxxxxx; linux-
> scsi@xxxxxxxxxxxxxxx
> Cc: KY Srinivasan <kys@xxxxxxxxxxxxx>; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>; Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>;
> Wei Liu <wei.liu@xxxxxxxxxx>; James E . J . Bottomley
> <jejb@xxxxxxxxxxxxx>; Martin K . Petersen <martin.petersen@xxxxxxxxxx>;
> Michael Kelley <mikelley@xxxxxxxxxxxxx>; Andrea Parri (Microsoft)
> <parri.andrea@xxxxxxxxx>; Dexuan Cui <decui@xxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxx>
> Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@xxxxxxxxx>
> Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> ---

Thanks.

Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>