Re: [PATCH v1] hw/vfio: Fix liveness check in vfio_connect_kvm_msi_virq()

On 7/27/26 18:00, Tycho Andersen wrote:
> From: "Tycho Andersen (AMD)" <[email protected]>
> 
> While working on savevm/loadvm for a new vfio device, I encountered the
> crash below. Since vfio_connect_kvm_msi_virq() didn't check the ->use flag
> for the vector, it would pass an unused vector down to
> vfio_cpr_load_vector_fd() which would crash.
> 
> Fix this by checking the ->use flag along with the virq number to detect
> whether a vector is valid or not.
> 
> Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
[...]

I'm picking this one up for qemu 11.0.x stable series.
Please let me know if I should not.

Thanks,

/mjt