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Re: [PATCH] xen/pvcalls: bound backend response req_id before indexing rsp[]


  • To: Juergen Gross <jgross@xxxxxxxx>
  • From: Michael Bommarito <michael.bommarito@xxxxxxxxx>
  • Date: Wed, 10 Jun 2026 07:50:50 -0400
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  • Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
  • Delivery-date: Wed, 10 Jun 2026 11:51:07 +0000
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On Wed, Jun 10, 2026 at 7:48 AM Juergen Gross <jgross@xxxxxxxx> wrote:
> Please add an error message here, using pr_err_once().
>
> Instead of just ignoring such responses, I'd consider stopping communication
> with the backend for this device.

Good points.  Do you know if there is a canonical way to track
bad/buggy backends I should reference or reuse?



 


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