Re: [PATCH v2 1/2] KVM: s390: Limit adapter indicator access to mapped page

[Janosch Frank <frankja@linux.ibm.com>]

On 3/5/26 15:04, Matthew Rosato wrote:
> On 3/4/26 3:16 PM, Matthew Rosato wrote:
>> On 3/3/26 8:46 AM, Janosch Frank wrote:
>>> While we check the address for errors, we don't seem to check the bit
>>> offsets and since they are 32 and 64 bits a lot of memory can be
>>> reached indirectly via those offsets.
>>>
>>> Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
>>> Fixes: 84223598778b ("KVM: s390: irq routing for adapter interrupts.")
>>> Suggested-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
>>
>> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
>>
> 
> Like with v1, I used a modified QEMU to attempt various invocations to convince myself this works.  So feel free to also add:
> 
> Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
> 
> 
> 

Thank you for testing this!