Re: [PATCH] x86/IRQ: constrain creator-domain-ID assertion

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Wed, May 14, 2025 at 09:22:54AM +0200, Jan Beulich wrote:
> If init_one_irq_desc() fails, ->arch.creator_domid won't be set to the
> expected value, and hence the assertion may trigger. Limit it to just
> the success case of that function call.
> 
> Fixes: 92d9101eab ("x86: allow stubdom access to irq created for msi")
> Reported-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Hm, the logic in that function is convoluted to say the least.

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks, Roger.