Re: [PATCH] Revert "scsi: storvsc: Validate length of incoming packet in storvsc_on_channel_callback()"

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On Fri, Dec 11, 2020 at 02:14:04PM +0100, Andrea Parri (Microsoft) wrote:
> This reverts commit 3b8c72d076c42bf27284cda7b2b2b522810686f8.
> 
> Dexuan reported a regression where StorVSC fails to probe a device (and
> where, consequently, the VM may fail to boot).  The root-cause analysis
> led to a long-standing race condition that is exposed by the validation
> /commit in question.  Let's put the new validation aside until a proper
> solution for that race condition is in place.
> 
> Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@xxxxxxxxx>
> Cc: Dexuan Cui <decui@xxxxxxxxxxxxx>
> Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxx>
> Cc: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
> Cc: linux-scsi@xxxxxxxxxxxxxxx

Hi Martin

Sorry for the last minute patch. We would very like this goes into 5.10
if possible; otherwise Linux 5.10 is going to be broken on Hyper-V.  :-(

Wei.



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