interface hardening fixes

[PATCH v2 0/5] interface hardening fixes

Christian Borntraeger posted 5 patches 2 weeks, 5 days ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20260707070728.147203-1-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>, Matthew Rosato <mjrosato@linux.ibm.com>, Cornelia Huck <cohuck@redhat.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(-)

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[PATCH v2 0/5] interface hardening fixes

Posted by Christian Borntraeger 2 weeks, 5 days ago

Several fixes that improve the guest->host error handling.

v1->v2:
- add missing signoff
- add RBs

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 v2 0/5] interface hardening fixes

Posted by Cornelia Huck 2 weeks, 4 days ago

On Tue, Jul 07 2026, Christian Borntraeger <borntraeger@linux.ibm.com> wrote:

> Several fixes that improve the guest->host error handling.
>
> v1->v2:
> - add missing signoff
> - add RBs
>
> 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(-)

Thanks, applied.