From: Farhan Ali <alifm@linux.ibm.com>
To: Christian Borntraeger <borntraeger@linux.ibm.com>,
Cornelia Huck <cohuck@redhat.com>
Cc: qemu-devel <qemu-devel@nongnu.org>,
qemu-s390x <qemu-s390x@nongnu.org>,
Halil Pasic <pasic@linux.ibm.com>,
Matthew Rosato <mjrosato@linux.ibm.com>,
Eric Farman <farman@linux.ibm.com>,
Jason Herne <jjherne@linux.ibm.com>,
Richard Henderson <richard.henderson@linaro.org>,
Ilya Leoshkevich <iii@linux.ibm.com>,
David Hildenbrand <david@kernel.org>,
qemu-stable@nongnu.org
Subject: Re: [PATCH 2/5] s390x/pci: Tighten region detection for BAR read/write
Date: Mon, 6 Jul 2026 12:09:46 -0700 [thread overview]
Message-ID: <3990e90d-2bcd-4d47-b089-dce6a864bc4b@linux.ibm.com> (raw)
In-Reply-To: <20260706091909.864405-3-borntraeger@linux.ibm.com>
On 7/6/2026 2:19 AM, Christian Borntraeger wrote:
> From: Matthew Rosato<mjrosato@linux.ibm.com>
>
> For PCISTG/PCISTB/PCILG instruction emulation, ensure that the offset
> and length provided by the guest does not overflow, and only return
> a memory region when the specified offset+length combination matches
> an existing subregion or the parent region.
>
> Cc:qemu-stable@nongnu.org
> Fixes: 4f6482bfe3 ("s390x/pci: search for subregion inside the BARs")
> Reviewed-by: Christian Borntraeger<borntraeger@linux.ibm.com>
> Signed-off-by: Matthew Rosato<mjrosato@linux.ibm.com>
> ---
> hw/s390x/s390-pci-inst.c | 24 +++++++++++++++++++++++-
> 1 file changed, 23 insertions(+), 1 deletion(-)
Reviewed-by: Farhan Ali<alifm@linux.ibm.com>
next prev parent reply other threads:[~2026-07-06 19:10 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-06 9:19 [PATCH 0/5] s390x: interface hardening fixes Christian Borntraeger
2026-07-06 9:19 ` [PATCH 1/5] s390x/sclp: reject invalid write event data headers Christian Borntraeger
2026-07-06 13:12 ` Matthew Rosato
2026-07-07 1:28 ` Eric Farman
2026-07-07 6:05 ` Philippe Mathieu-Daudé
2026-07-06 9:19 ` [PATCH 2/5] s390x/pci: Tighten region detection for BAR read/write Christian Borntraeger
2026-07-06 19:09 ` Farhan Ali [this message]
2026-07-06 9:19 ` [PATCH 3/5] s390x/pci: Shrink RPCIT ranges to registered window Christian Borntraeger
2026-07-06 19:07 ` Farhan Ali
2026-07-06 9:19 ` [PATCH 4/5] s390x/ioinst: Require strict length and format for SEI CHSC handler Christian Borntraeger
2026-07-06 19:08 ` Farhan Ali
2026-07-07 1:30 ` Eric Farman
2026-07-06 9:19 ` [PATCH 5/5] s390x/css: limit number of CHPIDs in description Christian Borntraeger
2026-07-06 17:49 ` Matthew Rosato
2026-07-06 15:13 ` [PATCH 0/5] s390x: interface hardening fixes Cornelia Huck
2026-07-06 16:31 ` Christian Borntraeger
2026-07-07 6:54 ` Cornelia Huck
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