Re: Bug#1135235: linux-image-6.19.13+deb14-amd64: Reoccuring host crash "Invalid SPTE change" with gaming win kvm/qemu guest and device passthrough

[Salvatore Bonaccorso]

Source: linux
Source-Version: 7.0.10-1 

On Thu, Jun 25, 2026 at 03:46:14PM +0000, Sean Christopherson wrote:
> +lists to capture this for posterity
> 
> On Wed, Jun 24, 2026, Maximilian Senftleben wrote:
> > I tried a 7.0.10 with KASAN for several days, and now I am running
> > 7.0.12+deb14.1-amd64 since a couple of days, and at least so far I was not
> > able to reproduce my issue, i.e. I had no crash so far.
> 
> That, and the fact that 7.0.7 was fine, strongly suggests a broken fix got
> backported and landed in 7.0.8 or 7.0.9, and then a fix-for-the-fix landed in
> 7.10.  There aren't any KVM commits of interest anywhere in that range, which
> supports my theory that KVM is an innocent bystander that ran afoul of memory
> corruption due to a bug elsewhere in the kernel.
> 
> Unless you want to bisect to figure out exactly what commit broken things, and
> what commit fixed things, I think it makes sense to consider this resolved unless
> the problem occurs on a 7.0.10+ kernel.

Ack, I'm marking this as fixed with 7.0.10 based version in Debian then.

Regards,
Salvatore