[PATCH 0/5] s390x: interface hardening fixes

Christian Borntraeger posted 5 patches 2 weeks, 6 days ago
Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/qemu tags/patchew/20260706091909.864405-1-borntraeger@linux.ibm.com
Maintainers: Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Farhan Ali <alifm@linux.ibm.com>, Cornelia Huck <cohuck@redhat.com>, Matthew Rosato <mjrosato@linux.ibm.com>, Richard Henderson <richard.henderson@linaro.org>, Ilya Leoshkevich <iii@linux.ibm.com>, David Hildenbrand <david@kernel.org>, Jason Herne <jjherne@linux.ibm.com>
hw/s390x/css.c            | 17 +++++++++++++++++
hw/s390x/event-facility.c |  6 ++++++
hw/s390x/s390-pci-inst.c  | 32 ++++++++++++++++++++++++++++++--
target/s390x/ioinst.c     | 20 ++++++++++++++++++++
4 files changed, 73 insertions(+), 2 deletions(-)
[PATCH 0/5] s390x: interface hardening fixes
Posted by Christian Borntraeger 2 weeks, 6 days ago
Several fixes that improve the guest->host error handling.

Christian Borntraeger (1):
  s390x/sclp: reject invalid write event data headers

Eric Farman (1):
  s390x/css: limit number of CHPIDs in description

Matthew Rosato (3):
  s390x/pci: Tighten region detection for BAR read/write
  s390x/pci: Shrink RPCIT ranges to registered window
  s390x/ioinst: Require strict length and format for SEI CHSC handler

 hw/s390x/css.c            | 17 +++++++++++++++++
 hw/s390x/event-facility.c |  6 ++++++
 hw/s390x/s390-pci-inst.c  | 32 ++++++++++++++++++++++++++++++--
 target/s390x/ioinst.c     | 20 ++++++++++++++++++++
 4 files changed, 73 insertions(+), 2 deletions(-)

-- 
2.53.0
Re: [PATCH 0/5] s390x: interface hardening fixes
Posted by Cornelia Huck 2 weeks, 5 days ago
On Mon, Jul 06 2026, Christian Borntraeger <borntraeger@linux.ibm.com> wrote:

> Several fixes that improve the guest->host error handling.
>
> Christian Borntraeger (1):
>   s390x/sclp: reject invalid write event data headers
>
> Eric Farman (1):
>   s390x/css: limit number of CHPIDs in description
>
> Matthew Rosato (3):
>   s390x/pci: Tighten region detection for BAR read/write
>   s390x/pci: Shrink RPCIT ranges to registered window
>   s390x/ioinst: Require strict length and format for SEI CHSC handler
>
>  hw/s390x/css.c            | 17 +++++++++++++++++
>  hw/s390x/event-facility.c |  6 ++++++
>  hw/s390x/s390-pci-inst.c  | 32 ++++++++++++++++++++++++++++++--
>  target/s390x/ioinst.c     | 20 ++++++++++++++++++++
>  4 files changed, 73 insertions(+), 2 deletions(-)

I think the patches from other people are missing your s-o-b?
Re: [PATCH 0/5] s390x: interface hardening fixes
Posted by Christian Borntraeger 2 weeks, 5 days ago
Am 06.07.26 um 17:13 schrieb Cornelia Huck:
> On Mon, Jul 06 2026, Christian Borntraeger <borntraeger@linux.ibm.com> wrote:
> 
>> Several fixes that improve the guest->host error handling.
>>
>> Christian Borntraeger (1):
>>    s390x/sclp: reject invalid write event data headers
>>
>> Eric Farman (1):
>>    s390x/css: limit number of CHPIDs in description
>>
>> Matthew Rosato (3):
>>    s390x/pci: Tighten region detection for BAR read/write
>>    s390x/pci: Shrink RPCIT ranges to registered window
>>    s390x/ioinst: Require strict length and format for SEI CHSC handler
>>
>>   hw/s390x/css.c            | 17 +++++++++++++++++
>>   hw/s390x/event-facility.c |  6 ++++++
>>   hw/s390x/s390-pci-inst.c  | 32 ++++++++++++++++++++++++++++++--
>>   target/s390x/ioinst.c     | 20 ++++++++++++++++++++
>>   4 files changed, 73 insertions(+), 2 deletions(-)
> 
> I think the patches from other people are missing your s-o-b?
> 

Right. I guess I must re-send them, we cannot "heal" the patches by
Adding
Christian Borntraeger <borntraeger@linux.ibm.com>
Re: [PATCH 0/5] s390x: interface hardening fixes
Posted by Cornelia Huck 2 weeks, 5 days ago
On Mon, Jul 06 2026, Christian Borntraeger <borntraeger@linux.ibm.com> wrote:

> Am 06.07.26 um 17:13 schrieb Cornelia Huck:
>> On Mon, Jul 06 2026, Christian Borntraeger <borntraeger@linux.ibm.com> wrote:
>> 
>>> Several fixes that improve the guest->host error handling.
>>>
>>> Christian Borntraeger (1):
>>>    s390x/sclp: reject invalid write event data headers
>>>
>>> Eric Farman (1):
>>>    s390x/css: limit number of CHPIDs in description
>>>
>>> Matthew Rosato (3):
>>>    s390x/pci: Tighten region detection for BAR read/write
>>>    s390x/pci: Shrink RPCIT ranges to registered window
>>>    s390x/ioinst: Require strict length and format for SEI CHSC handler
>>>
>>>   hw/s390x/css.c            | 17 +++++++++++++++++
>>>   hw/s390x/event-facility.c |  6 ++++++
>>>   hw/s390x/s390-pci-inst.c  | 32 ++++++++++++++++++++++++++++++--
>>>   target/s390x/ioinst.c     | 20 ++++++++++++++++++++
>>>   4 files changed, 73 insertions(+), 2 deletions(-)
>> 
>> I think the patches from other people are missing your s-o-b?
>> 
>
> Right. I guess I must re-send them, we cannot "heal" the patches by
> Adding
> Christian Borntraeger <borntraeger@linux.ibm.com>

A quick resend would be easier for me.