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Re: [PATCH] xen/pci: prevent infinite loop for faulty SR-IOV cards
- To: Frediano Ziglio <freddy77@xxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Fri, 24 Oct 2025 16:58:44 +0100
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- Cc: Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 24 Oct 2025 15:59:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24/10/2025 4:13 pm, Frediano Ziglio wrote:
> If a SR-IOV card presents an I/O space inside a BAR the
> code will continue to loop on the same card.
> This is due to the missing increment of the cycle variable.
>
> Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
Yes, that's buggy. Was this from a real card, or just code inspection?
~Andrew
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